Merge pull request #2463 from zed-industries/kb/reapply-modal-accessibility

Reintroduce more accesible modal keybindings
Merge pull request #2470 from zed-industries/kb/fix-project-search-esc
2023-05-17 13:46:25 -04:00 · 2023-05-17 13:45:18 -04:00 · 2023-05-17 12:38:43 -04:00 · 2023-05-11 11:42:14 -04:00 · 2023-05-11 11:38:30 -04:00 · 2023-05-10 16:46:52 -04:00
564 changed files with 54374 additions and 26484 deletions
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -1,9 +0,0 @@
-## Description of feature or change
-
-## Link to related issues from zed or community
-
-## Before Merging 
-
- [ ] Does this have tests or have existing tests been updated to cover this change?
- [ ] Have you added the necessary settings to configure this feature?
- [ ] Has documentation been created or updated (including above changes to settings)?
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,9 @@ env:
 jobs:
  rustfmt:
    name: Check formatting
-    runs-on: self-hosted
+    runs-on:
+      - self-hosted
+      - test
    steps:
      - name: Install Rust
        run: |
@@ -52,7 +54,7 @@ jobs:
      - name: Install Node
        uses: actions/setup-node@v2
        with:
-          node-version: '16'
+          node-version: '18'

      - name: Checkout repo
        uses: actions/checkout@v2
@@ -100,7 +102,7 @@ jobs:
      - name: Install Node
        uses: actions/setup-node@v2
        with:
-          node-version: '16'
+          node-version: '18'

      - name: Checkout repo
        uses: actions/checkout@v2
--- a/.github/workflows/randomized_tests.yml
+++ b/.github/workflows/randomized_tests.yml
@@ -0,0 +1,43 @@
+name: Randomized Tests
+
+concurrency: randomized-tests
+
+on:
+  push:
+    branches:
+      - randomized-tests-runner
+  schedule:
+     - cron: '0 * * * *'
+
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_INCREMENTAL: 0
+  RUST_BACKTRACE: 1
+  ZED_SERVER_URL: https://zed.dev
+  ZED_CLIENT_SECRET_TOKEN: ${{ secrets.ZED_CLIENT_SECRET_TOKEN }}
+
+jobs:
+  tests:
+    name: Run randomized tests
+    runs-on:
+      - self-hosted
+      - randomized-tests
+    steps:
+      - name: Install Rust
+        run: |
+          rustup set profile minimal
+          rustup update stable
+
+      - name: Install Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '18'
+
+      - name: Checkout repo
+        uses: actions/checkout@v2
+        with:
+          clean: false
+          submodules: 'recursive'
+
+      - name: Run randomized tests
+        run: script/randomized-test-ci
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -148,9 +148,6 @@ name = "anyhow"
 version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
-dependencies = [
- "backtrace",
-]

 [[package]]
 name = "arrayref"
@@ -518,6 +515,7 @@ dependencies = [
 "menu",
 "project",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "smol",
@@ -784,6 +782,7 @@ dependencies = [
 "gpui",
 "itertools",
 "language",
+ "outline",
 "project",
 "search",
 "settings",
@@ -794,7 +793,7 @@ dependencies = [
 [[package]]
 name = "bromberg_sl2"
 version = "0.6.0"
-source = "git+https://github.com/zed-industries/bromberg_sl2?rev=dac565a90e8f9245f48ff46225c915dc50f76920#dac565a90e8f9245f48ff46225c915dc50f76920"
+source = "git+https://github.com/zed-industries/bromberg_sl2?rev=950bc5482c216c395049ae33ae4501e08975f17f#950bc5482c216c395049ae33ae4501e08975f17f"
 dependencies = [
 "digest 0.9.0",
 "lazy_static",
@@ -1097,6 +1096,7 @@ dependencies = [
 "ipc-channel",
 "plist",
 "serde",
+ "serde_derive",
 ]

 [[package]]
@@ -1111,7 +1111,6 @@ dependencies = [
 "futures 0.3.25",
 "gpui",
 "image",
- "isahc",
 "lazy_static",
 "log",
 "parking_lot 0.11.2",
@@ -1119,8 +1118,10 @@ dependencies = [
 "rand 0.8.5",
 "rpc",
 "serde",
+ "serde_derive",
 "settings",
 "smol",
+ "staff_mode",
 "sum_tree",
 "tempfile",
 "thiserror",
@@ -1188,7 +1189,7 @@ dependencies = [

 [[package]]
 name = "collab"
-version = "0.5.4"
+version = "0.12.0"
 dependencies = [
 "anyhow",
 "async-tungstenite",
@@ -1209,6 +1210,7 @@ dependencies = [
 "git",
 "gpui",
 "hyper",
+ "indoc",
 "language",
 "lazy_static",
 "lipsum",
@@ -1228,6 +1230,7 @@ dependencies = [
 "sea-orm",
 "sea-query",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "sha-1 0.9.8",
@@ -1257,7 +1260,9 @@ dependencies = [
 "client",
 "clock",
 "collections",
+ "context_menu",
 "editor",
+ "feedback",
 "futures 0.3.25",
 "fuzzy",
 "gpui",
@@ -1267,6 +1272,7 @@ dependencies = [
 "postage",
 "project",
 "serde",
+ "serde_derive",
 "settings",
 "theme",
 "util",
@@ -1325,6 +1331,50 @@ dependencies = [
 "theme",
 ]

+[[package]]
+name = "copilot"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-compression",
+ "async-tar",
+ "clock",
+ "collections",
+ "context_menu",
+ "fs",
+ "futures 0.3.25",
+ "gpui",
+ "language",
+ "log",
+ "lsp",
+ "node_runtime",
+ "rpc",
+ "serde",
+ "serde_derive",
+ "settings",
+ "smol",
+ "theme",
+ "util",
+]
+
+[[package]]
+name = "copilot_button"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "assets",
+ "context_menu",
+ "copilot",
+ "editor",
+ "futures 0.3.25",
+ "gpui",
+ "settings",
+ "smol",
+ "theme",
+ "util",
+ "workspace",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -1737,6 +1787,7 @@ dependencies = [
 "log",
 "parking_lot 0.11.2",
 "serde",
+ "serde_derive",
 "smol",
 "sqlez",
 "sqlez_macros",
@@ -1780,6 +1831,7 @@ dependencies = [
 "editor",
 "gpui",
 "language",
+ "lsp",
 "postage",
 "project",
 "serde_json",
@@ -1909,21 +1961,17 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f94fa09c2aeea5b8839e414b7b841bf429fd25b9c522116ac97ee87856d88b2"

-[[package]]
-name = "easy-parallel"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6907e25393cdcc1f4f3f513d9aac1e840eb1cc341a0fccb01171f7d14d10b946"
-
 [[package]]
 name = "editor"
 version = "0.1.0"
 dependencies = [
 "aho-corasick",
 "anyhow",
+ "client",
 "clock",
 "collections",
 "context_menu",
+ "copilot",
 "ctor",
 "db",
 "drag_and_drop",
@@ -1931,6 +1979,7 @@ dependencies = [
 "futures 0.3.25",
 "fuzzy",
 "git",
+ "glob",
 "gpui",
 "indoc",
 "itertools",
@@ -1942,9 +1991,11 @@ dependencies = [
 "parking_lot 0.11.2",
 "postage",
 "project",
+ "pulldown-cmark",
 "rand 0.8.5",
 "rpc",
 "serde",
+ "serde_derive",
 "settings",
 "smallvec",
 "smol",
@@ -2098,7 +2149,9 @@ dependencies = [
 "project",
 "search",
 "serde",
+ "serde_derive",
 "settings",
+ "smallvec",
 "sysinfo",
 "theme",
 "tree-sitter-markdown",
@@ -2294,6 +2347,7 @@ dependencies = [
 "regex",
 "rope",
 "serde",
+ "serde_derive",
 "serde_json",
 "smol",
 "tempfile",
@@ -2580,9 +2634,9 @@ dependencies = [

 [[package]]
 name = "glob"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"

 [[package]]
 name = "globset"
@@ -2662,8 +2716,10 @@ dependencies = [
 "postage",
 "rand 0.8.5",
 "resvg",
+ "schemars",
 "seahash",
 "serde",
+ "serde_derive",
 "serde_json",
 "simplelog",
 "smallvec",
@@ -3017,6 +3073,17 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adab1eaa3408fb7f0c777a73e7465fd5656136fc93b670eb6df3c88c2c1344e3"

+[[package]]
+name = "install_cli"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "gpui",
+ "log",
+ "smol",
+ "util",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -3156,6 +3223,7 @@ dependencies = [
 name = "journal"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
 "chrono",
 "dirs 4.0.0",
 "editor",
@@ -3261,6 +3329,7 @@ dependencies = [
 "regex",
 "rpc",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "similar",
@@ -3284,6 +3353,23 @@ dependencies = [
 "util",
 ]

+[[package]]
+name = "language_selector"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "editor",
+ "fuzzy",
+ "gpui",
+ "language",
+ "picker",
+ "project",
+ "settings",
+ "theme",
+ "util",
+ "workspace",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -3440,6 +3526,7 @@ dependencies = [
 "parking_lot 0.11.2",
 "postage",
 "serde",
+ "serde_derive",
 "serde_json",
 "sha2 0.10.6",
 "simplelog",
@@ -3460,6 +3547,7 @@ dependencies = [
 "prost-types 0.8.0",
 "reqwest",
 "serde",
+ "serde_derive",
 "sha2 0.10.6",
 ]

@@ -3500,6 +3588,7 @@ dependencies = [
 "parking_lot 0.11.2",
 "postage",
 "serde",
+ "serde_derive",
 "serde_json",
 "smol",
 "unindent",
@@ -3519,6 +3608,26 @@ dependencies = [
 "url",
 ]

+[[package]]
+name = "lsp_log"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "collections",
+ "editor",
+ "futures 0.3.25",
+ "gpui",
+ "language",
+ "lsp",
+ "project",
+ "serde",
+ "settings",
+ "theme",
+ "unindent",
+ "util",
+ "workspace",
+]
+
 [[package]]
 name = "mach"
 version = "0.3.2"
@@ -3865,6 +3974,23 @@ dependencies = [
 "memoffset 0.6.5",
 ]

+[[package]]
+name = "node_runtime"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-compression",
+ "async-tar",
+ "futures 0.3.25",
+ "gpui",
+ "parking_lot 0.11.2",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "smol",
+ "util",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.1"
@@ -4419,6 +4545,7 @@ dependencies = [
 "bincode",
 "plugin_macros",
 "serde",
+ "serde_derive",
 ]

 [[package]]
@@ -4429,6 +4556,7 @@ dependencies = [
 "proc-macro2",
 "quote",
 "serde",
+ "serde_derive",
 "syn",
 ]

@@ -4440,6 +4568,7 @@ dependencies = [
 "bincode",
 "pollster",
 "serde",
+ "serde_derive",
 "serde_json",
 "smol",
 "wasi-common",
@@ -4481,14 +4610,15 @@ checksum = "5da3b0203fd7ee5720aa0b5e790b591aa5d3f41c3ed2c34a3a393382198af2f7"

 [[package]]
 name = "postage"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a63d25391d04a097954b76aba742b6b5b74f213dfe3dbaeeb36e8ddc1c657f0b"
+checksum = "af3fb618632874fb76937c2361a7f22afd393c982a2165595407edc75b06d3c1"
 dependencies = [
 "atomic",
 "crossbeam-queue",
 "futures 0.3.25",
 "log",
+ "parking_lot 0.12.1",
 "pin-project",
 "pollster",
 "static_assertions",
@@ -4577,25 +4707,31 @@ dependencies = [
 "client",
 "clock",
 "collections",
+ "copilot",
+ "ctor",
 "db",
+ "env_logger",
 "fs",
 "fsevent",
 "futures 0.3.25",
 "fuzzy",
 "git",
+ "glob",
 "gpui",
 "ignore",
+ "itertools",
 "language",
 "lazy_static",
 "log",
 "lsp",
 "parking_lot 0.11.2",
 "postage",
- "pulldown-cmark",
+ "pretty_assertions",
 "rand 0.8.5",
 "regex",
 "rpc",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "sha2 0.10.6",
@@ -4961,6 +5097,7 @@ dependencies = [
 "settings",
 "smol",
 "text",
+ "util",
 "workspace",
 ]

@@ -5218,6 +5355,7 @@ dependencies = [
 "rand 0.8.5",
 "rsa",
 "serde",
+ "serde_derive",
 "smol",
 "smol-timeout",
 "tempdir",
@@ -5634,6 +5772,7 @@ dependencies = [
 "collections",
 "editor",
 "futures 0.3.25",
+ "glob",
 "gpui",
 "language",
 "log",
@@ -5641,6 +5780,7 @@ dependencies = [
 "postage",
 "project",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "smallvec",
@@ -5750,15 +5890,6 @@ dependencies = [
 "serde",
 ]

-[[package]]
-name = "serde_path_to_error"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "184c643044780f7ceb59104cef98a5a6f12cb2288a7bc701ab93a362b49fd47d"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "serde_repr"
 version = "0.1.9"
@@ -5824,14 +5955,18 @@ dependencies = [
 "collections",
 "fs",
 "futures 0.3.25",
+ "glob",
 "gpui",
 "json_comments",
+ "lazy_static",
 "postage",
+ "pretty_assertions",
 "schemars",
 "serde",
+ "serde_derive",
 "serde_json",
- "serde_path_to_error",
 "sqlez",
+ "staff_mode",
 "theme",
 "toml",
 "tree-sitter",
@@ -6242,6 +6377,14 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"

+[[package]]
+name = "staff_mode"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "gpui",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -6449,6 +6592,7 @@ dependencies = [
 "procinfo",
 "rand 0.8.5",
 "serde",
+ "serde_derive",
 "settings",
 "shellexpand",
 "smallvec",
@@ -6480,6 +6624,7 @@ dependencies = [
 "project",
 "rand 0.8.5",
 "serde",
+ "serde_derive",
 "settings",
 "shellexpand",
 "smallvec",
@@ -6539,8 +6684,8 @@ dependencies = [
 "indexmap",
 "parking_lot 0.11.2",
 "serde",
+ "serde_derive",
 "serde_json",
- "serde_path_to_error",
 "toml",
 ]

@@ -6557,6 +6702,7 @@ dependencies = [
 "postage",
 "settings",
 "smol",
+ "staff_mode",
 "theme",
 "util",
 "workspace",
@@ -7101,7 +7247,7 @@ dependencies = [
 [[package]]
 name = "tree-sitter-json"
 version = "0.20.0"
-source = "git+https://github.com/tree-sitter/tree-sitter-json?rev=137e1ce6a02698fc246cdb9c6b886ed1de9a1ed8#137e1ce6a02698fc246cdb9c6b886ed1de9a1ed8"
+source = "git+https://github.com/tree-sitter/tree-sitter-json?rev=40a81c01a40ac48744e0c8ccabbaba1920441199#40a81c01a40ac48744e0c8ccabbaba1920441199"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -7441,11 +7587,15 @@ dependencies = [
 "dirs 3.0.2",
 "futures 0.3.25",
 "git2",
+ "isahc",
 "lazy_static",
 "log",
 "rand 0.8.5",
+ "serde",
 "serde_json",
+ "smol",
 "tempdir",
+ "url",
 ]

 [[package]]
@@ -7532,6 +7682,7 @@ dependencies = [
 "project",
 "search",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "tokio",
@@ -8011,6 +8162,26 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"

+[[package]]
+name = "welcome"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "db",
+ "editor",
+ "fuzzy",
+ "gpui",
+ "install_cli",
+ "log",
+ "picker",
+ "project",
+ "settings",
+ "theme",
+ "theme_selector",
+ "util",
+ "workspace",
+]
+
 [[package]]
 name = "wepoll-ffi"
 version = "0.1.2"
@@ -8273,6 +8444,7 @@ name = "workspace"
 version = "0.1.0"
 dependencies = [
 "anyhow",
+ "assets",
 "async-recursion 1.0.0",
 "bincode",
 "call",
@@ -8286,6 +8458,7 @@ dependencies = [
 "futures 0.3.25",
 "gpui",
 "indoc",
+ "install_cli",
 "language",
 "lazy_static",
 "log",
@@ -8294,9 +8467,11 @@ dependencies = [
 "postage",
 "project",
 "serde",
+ "serde_derive",
 "serde_json",
 "settings",
 "smallvec",
+ "terminal",
 "theme",
 "util",
 "uuid 1.2.2",
@@ -8356,7 +8531,7 @@ checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"

 [[package]]
 name = "zed"
-version = "0.75.0"
+version = "0.86.1"
 dependencies = [
 "activity_indicator",
 "anyhow",
@@ -8377,9 +8552,11 @@ dependencies = [
 "collections",
 "command_palette",
 "context_menu",
+ "copilot",
+ "copilot_button",
 "ctor",
+ "db",
 "diagnostics",
- "easy-parallel",
 "editor",
 "env_logger",
 "feedback",
@@ -8393,13 +8570,17 @@ dependencies = [
 "ignore",
 "image",
 "indexmap",
+ "install_cli",
 "isahc",
 "journal",
 "language",
+ "language_selector",
 "lazy_static",
 "libc",
 "log",
 "lsp",
+ "lsp_log",
+ "node_runtime",
 "num_cpus",
 "outline",
 "parking_lot 0.11.2",
@@ -8416,12 +8597,13 @@ dependencies = [
 "rust-embed",
 "search",
 "serde",
+ "serde_derive",
 "serde_json",
- "serde_path_to_error",
 "settings",
 "simplelog",
 "smallvec",
 "smol",
+ "staff_mode",
 "sum_tree",
 "tempdir",
 "terminal_view",
@@ -8457,6 +8639,7 @@ dependencies = [
 "util",
 "uuid 1.2.2",
 "vim",
+ "welcome",
 "workspace",
 ]

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,8 @@ members = [
    "crates/collections",
    "crates/command_palette",
    "crates/context_menu",
+    "crates/copilot",
+    "crates/copilot_button",
    "crates/db",
    "crates/diagnostics",
    "crates/drag_and_drop",
@@ -26,13 +28,17 @@ members = [
    "crates/go_to_line",
    "crates/gpui",
    "crates/gpui_macros",
+    "crates/install_cli",
    "crates/journal",
    "crates/language",
+    "crates/language_selector",
    "crates/live_kit_client",
    "crates/live_kit_server",
    "crates/lsp",
+    "crates/lsp_log",
    "crates/media",
    "crates/menu",
+    "crates/node_runtime",
    "crates/outline",
    "crates/picker",
    "crates/plugin",
@@ -49,6 +55,7 @@ members = [
    "crates/snippet",
    "crates/sqlez",
    "crates/sqlez_macros",
+    "crates/staff_mode",
    "crates/sum_tree",
    "crates/terminal",
    "crates/text",
@@ -58,15 +65,35 @@ members = [
    "crates/util",
    "crates/vim",
    "crates/workspace",
+    "crates/welcome",
    "crates/zed",
 ]
 default-members = ["crates/zed"]
 resolver = "2"

 [workspace.dependencies]
+anyhow = { version = "1.0.57" }
+async-trait = { version = "0.1" }
+ctor = { version = "0.1" }
+env_logger = { version = "0.9" }
+futures = { version = "0.3" }
+glob = { version = "0.3.1" }
+lazy_static = { version = "1.4.0" }
+log = { version = "0.4.16", features = ["kv_unstable_serde"] }
+ordered-float = { version = "2.1.1" }
+parking_lot = { version = "0.11.1" }
+postage = { version = "0.5", features = ["futures-traits"] }
+rand = { version = "0.8.5" }
+regex = { version = "1.5" }
 serde = { version = "1.0", features = ["derive", "rc"] }
+serde_derive = { version = "1.0", features = ["deserialize_in_place"] }
 serde_json = { version = "1.0", features = ["preserve_order", "raw_value"] }
-rand = { version = "0.8" }
+smallvec = { version = "1.6", features = ["union"] }
+smol = { version = "1.2" }
+tempdir = { version = "0.3.7" }
+thiserror = { version = "1.0.29" }
+time = { version = "0.3", features = ["serde", "serde-well-known"] }
+unindent = { version = "0.1.7" }

 [patch.crates-io]
 tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "c51896d32dcc11a38e41f36e3deb1a6a9c4f4b14" }
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@

 [![CI](https://github.com/zed-industries/zed/actions/workflows/ci.yml/badge.svg)](https://github.com/zed-industries/zed/actions/workflows/ci.yml)

-Welcome to Zed, a lightning-fast, collaborative code editor that makes your dreams come true. 
+Welcome to Zed, a lightning-fast, collaborative code editor that makes your dreams come true.

 ## Development tips

@@ -23,10 +23,19 @@ Welcome to Zed, a lightning-fast, collaborative code editor that makes your drea
    git clone https://github.com/zed-industries/zed.dev
    ```

-* Set up a local `zed` database and seed it with some initial users:
+* Initialize submodules

    ```
-    script/bootstrap
+    git submodule update --init --recursive
+    ```
+
+* Set up a local `zed` database and seed it with some initial users:
+
+    Create a personal GitHub token to run `script/bootstrap` once successfully: the token needs to have an access to private repositories for the script to work (`repo` OAuth scope).
+    Then delete that token.
+
+    ```
+    GITHUB_TOKEN=<$token> script/bootstrap
    ```

 ### Testing against locally-running servers
--- a/assets/icons/copilot_16.svg
+++ b/assets/icons/copilot_16.svg
@@ -0,0 +1,12 @@
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--- a/assets/icons/copilot_disabled_16.svg
+++ b/assets/icons/copilot_disabled_16.svg
@@ -0,0 +1,9 @@
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--- a/assets/icons/copilot_error_16.svg
+++ b/assets/icons/copilot_error_16.svg
@@ -0,0 +1,7 @@
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 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M7.00906 8.99999H4.79094C2.69772 8.99999 1 11.1475 1 13.2409C1 13.6609 1.3395 14 1.75819 14H10.0422C10.4609 14 10.8 13.6609 10.8 13.2409C10.8 11.1475 9.1025 8.99999 7.00906 8.99999Z" fill="white"/>
+<path d="M9 5C9 6.54634 7.44657 7.99998 5.90001 7.99998C4.35344 7.99998 3 6.54634 3 5C3 3.45366 4.45344 2 6 2C7.54656 2 9 3.45366 9 5Z" fill="white"/>
+<path d="M13.025 6H14.475C14.7659 6 15 6.20906 15 6.5C15 6.79094 14.7659 7 14.475 7H13V8.49995C13 8.7898 12.7638 9.02495 12.475 9.02495C12.1863 9.02495 11.95 8.79089 11.95 8.49995V7H10.525C10.2352 7 10 6.78875 10 6.5C10 6.21125 10.2362 6 10.525 6H11.975V4.525C11.975 4.23516 12.2091 4 12.5 4C12.7909 4 13.025 4.23625 13.025 4.525V6Z" fill="white"/>
 </svg>
--- a/assets/icons/version_control_branch_12.svg
+++ b/assets/icons/version_control_branch_12.svg
@@ -0,0 +1,3 @@
+<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.75 1.875C4.75 2.71406 4.19922 3.42422 3.4375 3.66328V5.97891C3.9086 5.64609 4.4711 5.4375 5.125 5.4375H7.375C8.30782 5.4375 9.0625 4.68281 9.0625 3.75V3.66328C8.30078 3.42422 7.75 2.71406 7.75 1.875C7.75 0.839531 8.58907 0 9.625 0C10.6609 0 11.5 0.839531 11.5 1.875C11.5 2.71406 10.9492 3.42422 10.1875 3.66328V3.75C10.1875 5.30391 8.92891 6.5625 7.375 6.5625H5.125C4.19219 6.5625 3.4375 7.31719 3.4375 8.25V8.33672C4.19922 8.57578 4.75 9.28594 4.75 10.125C4.75 11.1609 3.91094 12 2.875 12C1.83953 12 1 11.1609 1 10.125C1 9.28594 1.55172 8.57578 2.3125 8.33672V3.66328C1.55172 3.42422 1 2.71406 1 1.875C1 0.839531 1.83953 0 2.875 0C3.91094 0 4.75 0.839531 4.75 1.875ZM2.875 2.625C3.28914 2.625 3.625 2.28914 3.625 1.875C3.625 1.46086 3.28914 1.125 2.875 1.125C2.46086 1.125 2.125 1.46086 2.125 1.875C2.125 2.28914 2.46086 2.625 2.875 2.625ZM9.625 1.125C9.21016 1.125 8.875 1.46086 8.875 1.875C8.875 2.28914 9.21016 2.625 9.625 2.625C10.0398 2.625 10.375 2.28914 10.375 1.875C10.375 1.46086 10.0398 1.125 9.625 1.125ZM2.875 10.875C3.28914 10.875 3.625 10.5398 3.625 10.125C3.625 9.71016 3.28914 9.375 2.875 9.375C2.46086 9.375 2.125 9.71016 2.125 10.125C2.125 10.5398 2.46086 10.875 2.875 10.875Z" fill="white"/>
+</svg>
--- a/assets/icons/zed_plus_copilot_32.svg
+++ b/assets/icons/zed_plus_copilot_32.svg
@@ -0,0 +1,14 @@
+<svg width="93" height="32" viewBox="0 0 93 32" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M9.03996 7.04962C8.00936 7.67635 7.30396 8.63219 7.30396 10.0149C7.30396 11.6908 7.72425 12.5893 8.2047 13.0744C8.68381 13.5581 9.40526 13.8149 10.4054 13.8149C11.815 13.8149 13.0291 13.5336 13.8802 12.9464C14.6756 12.3977 15.2708 11.5042 15.3438 9.96182C15.3991 8.79382 15.3678 8.01341 15.0568 7.45711C14.8094 7.01449 14.2326 6.47436 12.4901 6.27416C11.4684 6.15678 10.1114 6.39804 9.03996 7.04962ZM7.87312 5.13084C9.39147 4.2075 11.2531 3.87155 12.7464 4.04312C14.8843 4.28874 16.2844 5.05049 17.0171 6.36142C17.6863 7.55867 17.6384 8.98348 17.587 10.068C17.484 12.2439 16.5804 13.8118 15.1554 14.7949C13.7861 15.7396 12.0582 16.0606 10.4054 16.0606C9.04201 16.0606 7.65128 15.7069 6.60913 14.6547C5.56832 13.6038 5.05825 12.0408 5.05825 10.0149C5.05825 7.6958 6.3139 6.07903 7.87312 5.13084Z" fill="white"/>
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+<path fill-rule="evenodd" clip-rule="evenodd" d="M67.1666 4.33329C66.7064 4.33329 66.3333 4.70639 66.3333 5.16663V23.5H64.6666V5.16663C64.6666 3.78591 65.7859 2.66663 67.1666 2.66663H89.494C90.6077 2.66663 91.1654 4.01306 90.3779 4.80051L76.6264 18.552H80.5V16.8333H82.1666V18.9687C82.1666 19.6591 81.607 20.2187 80.9166 20.2187H74.9597L72.0951 23.0833H85.0833V12.6666H86.75V23.0833C86.75 24.0038 86.0038 24.75 85.0833 24.75H70.4285L67.5118 27.6666H88.8333C89.2935 27.6666 89.6666 27.2935 89.6666 26.8333V8.49996H91.3333V26.8333C91.3333 28.214 90.214 29.3333 88.8333 29.3333H66.5059C65.3922 29.3333 64.8345 27.9869 65.622 27.1994L79.3214 13.5H75.5V15.1666H73.8333V13.0833C73.8333 12.3929 74.3929 11.8333 75.0833 11.8333H80.9881L83.9048 8.91663H70.9166V19.3333H69.25V8.91663C69.25 7.99615 69.9962 7.24996 70.9166 7.24996H85.5714L88.4881 4.33329H67.1666Z" fill="white"/>
+</svg>
--- a/assets/keymaps/atom.json
+++ b/assets/keymaps/atom.json
@@ -0,0 +1,70 @@
+[
+  {
+    "bindings": {
+      "cmd-k cmd-p": "workspace::ActivatePreviousPane",
+      "cmd-k cmd-n": "workspace::ActivateNextPane"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-<": "editor::ScrollCursorCenter",
+      "cmd-g": [
+        "editor::SelectNext",
+        {
+          "replace_newest": true
+        }
+      ],
+      "ctrl-shift-down": "editor::AddSelectionBelow",
+      "ctrl-shift-up": "editor::AddSelectionAbove",
+      "cmd-shift-backspace": "editor::DeleteToBeginningOfLine",
+      "cmd-shift-enter": "editor::NewlineAbove",
+      "cmd-enter": "editor::NewlineBelow"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-r": "outline::Toggle"
+    }
+  },
+  {
+    "context": "BufferSearchBar",
+    "bindings": {
+      "cmd-f3": "search::SelectNextMatch",
+      "cmd-shift-f3": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-\\": "workspace::ToggleLeftSidebar",
+      "cmd-k cmd-b": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "cmd-shift-r": "project_symbols::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "alt-cmd-/": "search::ToggleRegex",
+      "ctrl-0": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "ProjectPanel",
+    "bindings": {
+      "ctrl-[": "project_panel::CollapseSelectedEntry",
+      "ctrl-b": "project_panel::CollapseSelectedEntry",
+      "alt-b": "project_panel::CollapseSelectedEntry",
+      "ctrl-]": "project_panel::ExpandSelectedEntry",
+      "ctrl-f": "project_panel::ExpandSelectedEntry",
+      "ctrl-shift-c": "project_panel::CopyPath"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {}
+  }
+]
--- a/assets/keymaps/default.json
+++ b/assets/keymaps/default.json
--- a/assets/keymaps/jetbrains.json
+++ b/assets/keymaps/jetbrains.json
@@ -0,0 +1,79 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-[": "pane::ActivatePrevItem",
+      "cmd-shift-]": "pane::ActivateNextItem"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "ctrl->": "zed::IncreaseBufferFontSize",
+      "ctrl-<": "zed::DecreaseBufferFontSize",
+      "cmd-d": "editor::DuplicateLine",
+      "cmd-pagedown": "editor::MovePageDown",
+      "cmd-pageup": "editor::MovePageUp",
+      "ctrl-alt-shift-b": "editor::SelectToPreviousWordStart",
+      "cmd-alt-enter": "editor::NewlineAbove",
+      "shift-enter": "editor::NewlineBelow",
+      "cmd--": "editor::Fold",
+      "cmd-=": "editor::UnfoldLines",
+      "alt-shift-g": "editor::SplitSelectionIntoLines",
+      "ctrl-g": [
+        "editor::SelectNext",
+        {
+          "replace_newest": false
+        }
+      ],
+      "cmd-/": [
+        "editor::ToggleComments",
+        {
+          "advance_downwards": true
+        }
+      ],
+      "shift-alt-up": "editor::MoveLineUp",
+      "shift-alt-down": "editor::MoveLineDown",
+      "cmd-[": "pane::GoBack",
+      "cmd-]": "pane::GoForward",
+      "alt-f7": "editor::FindAllReferences",
+      "cmd-alt-f7": "editor::FindAllReferences",
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-alt-b": "editor::GoToDefinition",
+      "cmd-shift-b": "editor::GoToTypeDefinition",
+      "alt-enter": "editor::ToggleCodeActions",
+      "f2": "editor::GoToDiagnostic",
+      "cmd-f2": "editor::GoToPrevDiagnostic",
+      "ctrl-alt-shift-down": "editor::GoToHunk",
+      "ctrl-alt-shift-up": "editor::GoToPrevHunk",
+      "cmd-home": "editor::MoveToBeginning",
+      "cmd-end": "editor::MoveToEnd",
+      "cmd-shift-home": "editor::SelectToBeginning",
+      "cmd-shift-end": "editor::SelectToEnd"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-f12": "outline::Toggle",
+      "cmd-7": "outline::Toggle",
+      "cmd-shift-o": "file_finder::Toggle",
+      "cmd-l": "go_to_line::Toggle"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-shift-a": "command_palette::Toggle",
+      "cmd-alt-o": "project_symbols::Toggle",
+      "cmd-1": "workspace::ToggleLeftSidebar",
+      "cmd-6": "diagnostics::Deploy",
+      "alt-f12": "dock::FocusDock"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {
+      "alt-f12": "dock::HideDock"
+    }
+  }
+]
--- a/assets/keymaps/sublime_text.json
+++ b/assets/keymaps/sublime_text.json
@@ -0,0 +1,62 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-[": "pane::ActivatePrevItem",
+      "cmd-shift-]": "pane::ActivateNextItem",
+      "ctrl-pagedown": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivateNextItem",
+      "ctrl-shift-tab": "pane::ActivateNextItem",
+      "ctrl-tab": "pane::ActivatePrevItem",
+      "cmd-+": "zed::IncreaseBufferFontSize"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "ctrl-shift-up": "editor::AddSelectionAbove",
+      "ctrl-shift-down": "editor::AddSelectionBelow",
+      "cmd-shift-space": "editor::SelectAll",
+      "ctrl-shift-m": "editor::SelectLargerSyntaxNode",
+      "cmd-shift-a": "editor::SelectLargerSyntaxNode",
+      "shift-f12": "editor::FindAllReferences",
+      "alt-cmd-down": "editor::GoToDefinition",
+      "alt-shift-cmd-down": "editor::FindAllReferences",
+      "ctrl-.": "editor::GoToHunk",
+      "ctrl-,": "editor::GoToPrevHunk",
+      "ctrl-backspace": "editor::DeleteToPreviousWordStart",
+      "ctrl-delete": "editor::DeleteToNextWordEnd",
+      "cmd-shift-enter": "editor::NewlineAbove",
+      "cmd-enter": "editor::NewlineBelow"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-r": "outline::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "f4": "search::SelectNextMatch",
+      "shift-f4": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "ctrl-`": "dock::FocusDock",
+      "cmd-k cmd-b": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "shift-cmd-r": "project_symbols::Toggle",
+      // Currently busted: https://github.com/zed-industries/feedback/issues/898
+      "ctrl-0": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {
+      "ctrl-`": "dock::HideDock"
+    }
+  }
+]
--- a/assets/keymaps/textmate.json
+++ b/assets/keymaps/textmate.json
@@ -0,0 +1,91 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-o": "projects::OpenRecent",
+      "cmd-alt-tab": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "cmd-l": "go_to_line::Toggle",
+      "ctrl-shift-d": "editor::DuplicateLine",
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-j": "editor::ScrollCursorCenter",
+      "cmd-alt-enter": "editor::NewlineAbove",
+      "cmd-enter": "editor::NewlineBelow",
+      "cmd-shift-l": "editor::SelectLine",
+      "cmd-shift-t": "outline::Toggle",
+      "alt-backspace": "editor::DeleteToPreviousWordStart",
+      "alt-shift-backspace": "editor::DeleteToNextWordEnd",
+      "alt-delete": "editor::DeleteToNextWordEnd",
+      "alt-shift-delete": "editor::DeleteToNextWordEnd",
+      "ctrl-backspace": "editor::DeleteToPreviousSubwordStart",
+      "ctrl-delete": "editor::DeleteToNextSubwordEnd",
+      "alt-left": [
+        "editor::MoveToPreviousWordStart",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "alt-right": [
+        "editor::MoveToNextWordEnd",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "ctrl-left": "editor::MoveToPreviousSubwordStart",
+      "ctrl-right": "editor::MoveToNextSubwordEnd",
+      "cmd-shift-left": "editor::SelectToBeginningOfLine",
+      "cmd-shift-right": "editor::SelectToEndOfLine",
+      "alt-shift-left": [
+        "editor::SelectToBeginningOfLine",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "alt-shift-right": [
+        "editor::SelectToEndOfLine",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "ctrl-shift-left": "editor::SelectToPreviousSubwordStart",
+      "ctrl-shift-right": "editor::SelectToNextSubwordEnd"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {}
+  },
+  {
+    "context": "BufferSearchBar",
+    "bindings": {
+      "ctrl-s": "search::SelectNextMatch",
+      "ctrl-shift-s": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-alt-ctrl-d": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "cmd-shift-t": "project_symbols::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "alt-cmd-r": "search::ToggleRegex",
+      "ctrl-tab": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "ProjectPanel",
+    "bindings": {}
+  },
+  {
+    "context": "Dock",
+    "bindings": {}
+  }
+]
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -1,323 +1,325 @@
 [
-    {
-        "context": "Editor && VimControl && !VimWaiting",
-        "bindings": {
-            "g": [
-                "vim::PushOperator",
-                {
-                    "Namespace": "G"
-                }
-            ],
-            "i": [
-                "vim::PushOperator",
-                {
-                    "Object": {
-                        "around": false
-                    }
-                }
-            ],
-            "a": [
-                "vim::PushOperator",
-                {
-                    "Object": {
-                        "around": true
-                    }
-                }
-            ],
-            "h": "vim::Left",
-            "backspace": "vim::Backspace",
-            "j": "vim::Down",
-            "k": "vim::Up",
-            "l": "vim::Right",
-            "$": "vim::EndOfLine",
-            "shift-g": "vim::EndOfDocument",
-            "w": "vim::NextWordStart",
-            "shift-w": [
-                "vim::NextWordStart",
-                {
-                    "ignorePunctuation": true
-                }
-            ],
-            "e": "vim::NextWordEnd",
-            "shift-e": [
-                "vim::NextWordEnd",
-                {
-                    "ignorePunctuation": true
-                }
-            ],
-            "b": "vim::PreviousWordStart",
-            "shift-b": [
-                "vim::PreviousWordStart",
-                {
-                    "ignorePunctuation": true
-                }
-            ],
-            "%": "vim::Matching",
-            "ctrl-y": [
-                "vim::Scroll",
-                "LineUp"
-            ],
-            "f": [
-                "vim::PushOperator",
-                {
-                    "FindForward": {
-                        "before": false
-                    }
-                }
-            ],
-            "t": [
-                "vim::PushOperator",
-                {
-                    "FindForward": {
-                        "before": true
-                    }
-                }
-            ],
-            "shift-f": [
-                "vim::PushOperator",
-                {
-                    "FindBackward": {
-                        "after": false
-                    }
-                }
-            ],
-            "shift-t": [
-                "vim::PushOperator",
-                {
-                    "FindBackward": {
-                        "after": true
-                    }
-                }
-            ],
-            "escape": "editor::Cancel",
-            "0": "vim::StartOfLine", // When no number operator present, use start of line motion
-            "1": [
-                "vim::Number",
-                1
-            ],
-            "2": [
-                "vim::Number",
-                2
-            ],
-            "3": [
-                "vim::Number",
-                3
-            ],
-            "4": [
-                "vim::Number",
-                4
-            ],
-            "5": [
-                "vim::Number",
-                5
-            ],
-            "6": [
-                "vim::Number",
-                6
-            ],
-            "7": [
-                "vim::Number",
-                7
-            ],
-            "8": [
-                "vim::Number",
-                8
-            ],
-            "9": [
-                "vim::Number",
-                9
-            ]
+  {
+    "context": "Editor && VimControl && !VimWaiting",
+    "bindings": {
+      "g": [
+        "vim::PushOperator",
+        {
+          "Namespace": "G"
        }
-    },
-    {
-        "context": "Editor && vim_mode == normal && vim_operator == none && !VimWaiting",
-        "bindings": {
-            "c": [
-                "vim::PushOperator",
-                "Change"
-            ],
-            "shift-c": "vim::ChangeToEndOfLine",
-            "d": [
-                "vim::PushOperator",
-                "Delete"
-            ],
-            "shift-d": "vim::DeleteToEndOfLine",
-            "y": [
-                "vim::PushOperator",
-                "Yank"
-            ],
-            "z": [
-                "vim::PushOperator",
-                {
-                    "Namespace": "Z"
-                }
-            ],
-            "i": [
-                "vim::SwitchMode",
-                "Insert"
-            ],
-            "shift-i": "vim::InsertFirstNonWhitespace",
-            "a": "vim::InsertAfter",
-            "shift-a": "vim::InsertEndOfLine",
-            "x": "vim::DeleteRight",
-            "shift-x": "vim::DeleteLeft",
-            "^": "vim::FirstNonWhitespace",
-            "o": "vim::InsertLineBelow",
-            "shift-o": "vim::InsertLineAbove",
-            "v": [
-                "vim::SwitchMode",
-                {
-                    "Visual": {
-                        "line": false
-                    }
-                }
-            ],
-            "shift-v": [
-                "vim::SwitchMode",
-                {
-                    "Visual": {
-                        "line": true
-                    }
-                }
-            ],
-            "p": "vim::Paste",
-            "u": "editor::Undo",
-            "ctrl-r": "editor::Redo",
-            "ctrl-o": "pane::GoBack",
-            "/": [
-                "buffer_search::Deploy",
-                {
-                    "focus": true
-                }
-            ],
-            "ctrl-f": [
-                "vim::Scroll",
-                "PageDown"
-            ],
-            "ctrl-b": [
-                "vim::Scroll",
-                "PageUp"
-            ],
-            "ctrl-d": [
-                "vim::Scroll",
-                "HalfPageDown"
-            ],
-            "ctrl-u": [
-                "vim::Scroll",
-                "HalfPageUp"
-            ],
-            "ctrl-e": [
-                "vim::Scroll",
-                "LineDown"
-            ],
-            "r": [
-                "vim::PushOperator",
-                "Replace"
-            ]
+      ],
+      "i": [
+        "vim::PushOperator",
+        {
+          "Object": {
+            "around": false
+          }
        }
-    },
-    {
-        "context": "Editor && vim_operator == n",
-        "bindings": {
-            "0": [
-                "vim::Number",
-                0
-            ]
+      ],
+      "a": [
+        "vim::PushOperator",
+        {
+          "Object": {
+            "around": true
+          }
        }
-    },
-    {
-        "context": "Editor && vim_operator == g",
-        "bindings": {
-            "g": "vim::StartOfDocument",
-            "h": "editor::Hover",
-            "escape": [
-                "vim::SwitchMode",
-                "Normal"
-            ]
+      ],
+      "h": "vim::Left",
+      "backspace": "vim::Backspace",
+      "j": "vim::Down",
+      "enter": "vim::NextLineStart",
+      "k": "vim::Up",
+      "l": "vim::Right",
+      "$": "vim::EndOfLine",
+      "shift-g": "vim::EndOfDocument",
+      "w": "vim::NextWordStart",
+      "shift-w": [
+        "vim::NextWordStart",
+        {
+          "ignorePunctuation": true
        }
-    },
-    {
-        "context": "Editor && vim_operator == c",
-        "bindings": {
-            "c": "vim::CurrentLine"
+      ],
+      "e": "vim::NextWordEnd",
+      "shift-e": [
+        "vim::NextWordEnd",
+        {
+          "ignorePunctuation": true
        }
-    },
-    {
-        "context": "Editor && vim_operator == d",
-        "bindings": {
-            "d": "vim::CurrentLine"
+      ],
+      "b": "vim::PreviousWordStart",
+      "shift-b": [
+        "vim::PreviousWordStart",
+        {
+          "ignorePunctuation": true
        }
-    },
-    {
-        "context": "Editor && vim_operator == y",
-        "bindings": {
-            "y": "vim::CurrentLine"
+      ],
+      "%": "vim::Matching",
+      "ctrl-y": [
+        "vim::Scroll",
+        "LineUp"
+      ],
+      "f": [
+        "vim::PushOperator",
+        {
+          "FindForward": {
+            "before": false
+          }
        }
-    },
-    {
-        "context": "Editor && vim_operator == z",
-        "bindings": {
-            "t": "editor::ScrollCursorTop",
-            "z": "editor::ScrollCursorCenter",
-            "b": "editor::ScrollCursorBottom",
-            "escape": [
-                "vim::SwitchMode",
-                "Normal"
-            ]
+      ],
+      "t": [
+        "vim::PushOperator",
+        {
+          "FindForward": {
+            "before": true
+          }
        }
-    },
-    {
-        "context": "Editor && VimObject",
-        "bindings": {
-            "w": "vim::Word",
-            "shift-w": [
-                "vim::Word",
-                {
-                    "ignorePunctuation": true
-                }
-            ],
-            "s": "vim::Sentence",
-            "'": "vim::Quotes",
-            "`": "vim::BackQuotes",
-            "\"": "vim::DoubleQuotes",
-            "(": "vim::Parentheses",
-            ")": "vim::Parentheses",
-            "[": "vim::SquareBrackets",
-            "]": "vim::SquareBrackets",
-            "{": "vim::CurlyBrackets",
-            "}": "vim::CurlyBrackets",
-            "<": "vim::AngleBrackets",
-            ">": "vim::AngleBrackets"
+      ],
+      "shift-f": [
+        "vim::PushOperator",
+        {
+          "FindBackward": {
+            "after": false
+          }
        }
-    },
-    {
-        "context": "Editor && vim_mode == visual && !VimWaiting",
-        "bindings": {
-            "u": "editor::Undo",
-            "c": "vim::VisualChange",
-            "d": "vim::VisualDelete",
-            "x": "vim::VisualDelete",
-            "y": "vim::VisualYank",
-            "p": "vim::VisualPaste",
-            "r": [
-                "vim::PushOperator",
-                "Replace"
-            ]
-        }
-    },
-    {
-        "context": "Editor && vim_mode == insert",
-        "bindings": {
-            "escape": "vim::NormalBefore",
-            "ctrl-c": "vim::NormalBefore"
-        }
-    },
-    {
-        "context": "Editor && VimWaiting",
-        "bindings": {
-            "tab": "vim::Tab",
-            "enter": "vim::Enter",
-            "escape": "editor::Cancel"
+      ],
+      "shift-t": [
+        "vim::PushOperator",
+        {
+          "FindBackward": {
+            "after": true
+          }
        }
+      ],
+      "escape": "editor::Cancel",
+      "0": "vim::StartOfLine", // When no number operator present, use start of line motion
+      "1": [
+        "vim::Number",
+        1
+      ],
+      "2": [
+        "vim::Number",
+        2
+      ],
+      "3": [
+        "vim::Number",
+        3
+      ],
+      "4": [
+        "vim::Number",
+        4
+      ],
+      "5": [
+        "vim::Number",
+        5
+      ],
+      "6": [
+        "vim::Number",
+        6
+      ],
+      "7": [
+        "vim::Number",
+        7
+      ],
+      "8": [
+        "vim::Number",
+        8
+      ],
+      "9": [
+        "vim::Number",
+        9
+      ]
    }
-]
+  },
+  {
+    "context": "Editor && vim_mode == normal && vim_operator == none && !VimWaiting",
+    "bindings": {
+      "c": [
+        "vim::PushOperator",
+        "Change"
+      ],
+      "shift-c": "vim::ChangeToEndOfLine",
+      "d": [
+        "vim::PushOperator",
+        "Delete"
+      ],
+      "shift-d": "vim::DeleteToEndOfLine",
+      "y": [
+        "vim::PushOperator",
+        "Yank"
+      ],
+      "z": [
+        "vim::PushOperator",
+        {
+          "Namespace": "Z"
+        }
+      ],
+      "i": [
+        "vim::SwitchMode",
+        "Insert"
+      ],
+      "shift-i": "vim::InsertFirstNonWhitespace",
+      "a": "vim::InsertAfter",
+      "shift-a": "vim::InsertEndOfLine",
+      "x": "vim::DeleteRight",
+      "shift-x": "vim::DeleteLeft",
+      "^": "vim::FirstNonWhitespace",
+      "o": "vim::InsertLineBelow",
+      "shift-o": "vim::InsertLineAbove",
+      "v": [
+        "vim::SwitchMode",
+        {
+          "Visual": {
+            "line": false
+          }
+        }
+      ],
+      "shift-v": [
+        "vim::SwitchMode",
+        {
+          "Visual": {
+            "line": true
+          }
+        }
+      ],
+      "p": "vim::Paste",
+      "u": "editor::Undo",
+      "ctrl-r": "editor::Redo",
+      "ctrl-o": "pane::GoBack",
+      "/": [
+        "buffer_search::Deploy",
+        {
+          "focus": true
+        }
+      ],
+      "ctrl-f": [
+        "vim::Scroll",
+        "PageDown"
+      ],
+      "ctrl-b": [
+        "vim::Scroll",
+        "PageUp"
+      ],
+      "ctrl-d": [
+        "vim::Scroll",
+        "HalfPageDown"
+      ],
+      "ctrl-u": [
+        "vim::Scroll",
+        "HalfPageUp"
+      ],
+      "ctrl-e": [
+        "vim::Scroll",
+        "LineDown"
+      ],
+      "r": [
+        "vim::PushOperator",
+        "Replace"
+      ]
+    }
+  },
+  {
+    "context": "Editor && vim_operator == n",
+    "bindings": {
+      "0": [
+        "vim::Number",
+        0
+      ]
+    }
+  },
+  {
+    "context": "Editor && vim_operator == g",
+    "bindings": {
+      "g": "vim::StartOfDocument",
+      "h": "editor::Hover",
+      "escape": [
+        "vim::SwitchMode",
+        "Normal"
+      ],
+      "d": "editor::GoToDefinition"
+    }
+  },
+  {
+    "context": "Editor && vim_operator == c",
+    "bindings": {
+      "c": "vim::CurrentLine"
+    }
+  },
+  {
+    "context": "Editor && vim_operator == d",
+    "bindings": {
+      "d": "vim::CurrentLine"
+    }
+  },
+  {
+    "context": "Editor && vim_operator == y",
+    "bindings": {
+      "y": "vim::CurrentLine"
+    }
+  },
+  {
+    "context": "Editor && vim_operator == z",
+    "bindings": {
+      "t": "editor::ScrollCursorTop",
+      "z": "editor::ScrollCursorCenter",
+      "b": "editor::ScrollCursorBottom",
+      "escape": [
+        "vim::SwitchMode",
+        "Normal"
+      ]
+    }
+  },
+  {
+    "context": "Editor && VimObject",
+    "bindings": {
+      "w": "vim::Word",
+      "shift-w": [
+        "vim::Word",
+        {
+          "ignorePunctuation": true
+        }
+      ],
+      "s": "vim::Sentence",
+      "'": "vim::Quotes",
+      "`": "vim::BackQuotes",
+      "\"": "vim::DoubleQuotes",
+      "(": "vim::Parentheses",
+      ")": "vim::Parentheses",
+      "[": "vim::SquareBrackets",
+      "]": "vim::SquareBrackets",
+      "{": "vim::CurlyBrackets",
+      "}": "vim::CurlyBrackets",
+      "<": "vim::AngleBrackets",
+      ">": "vim::AngleBrackets"
+    }
+  },
+  {
+    "context": "Editor && vim_mode == visual && !VimWaiting",
+    "bindings": {
+      "u": "editor::Undo",
+      "c": "vim::VisualChange",
+      "d": "vim::VisualDelete",
+      "x": "vim::VisualDelete",
+      "y": "vim::VisualYank",
+      "p": "vim::VisualPaste",
+      "r": [
+        "vim::PushOperator",
+        "Replace"
+      ]
+    }
+  },
+  {
+    "context": "Editor && vim_mode == insert",
+    "bindings": {
+      "escape": "vim::NormalBefore",
+      "ctrl-c": "vim::NormalBefore"
+    }
+  },
+  {
+    "context": "Editor && VimWaiting",
+    "bindings": {
+      "tab": "vim::Tab",
+      "enter": "vim::Enter",
+      "escape": "editor::Cancel"
+    }
+  }
+]
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -1,249 +1,287 @@
 {
-    // The name of the Zed theme to use for the UI
-    "theme": "One Dark",
-    // The name of a font to use for rendering text in the editor
-    "buffer_font_family": "Zed Mono",
-    // The default font size for text in the editor
-    "buffer_font_size": 15,
-    // The factor to grow the active pane by. Defaults to 1.0
-    // which gives the same size as all other panes.
-    "active_pane_magnification": 1.0,
-    // Whether to enable vim modes and key bindings
-    "vim_mode": false,
-    // Whether to show the informational hover box when moving the mouse
-    // over symbols in the editor.
-    "hover_popover_enabled": true,
-    // Whether to confirm before quitting Zed.
-    "confirm_quit": false,
-    // Whether the cursor blinks in the editor.
-    "cursor_blink": true,
-    // Whether to pop the completions menu while typing in an editor without
-    // explicitly requesting it.
-    "show_completions_on_input": true,
-    // Whether the screen sharing icon is showed in the os status bar.
-    "show_call_status_icon": true,
-    // Whether new projects should start out 'online'. Online projects
-    // appear in the contacts panel under your name, so that your contacts
-    // can see which projects you are working on. Regardless of this
-    // setting, projects keep their last online status when you reopen them.
-    "projects_online_by_default": true,
-    // Whether to use language servers to provide code intelligence.
-    "enable_language_server": true,
-    // When to automatically save edited buffers. This setting can
-    // take four values.
-    //
-    // 1. Never automatically save:
-    //     "autosave": "off",
-    // 2. Save when changing focus away from the Zed window:
-    //     "autosave": "on_window_change",
-    // 3. Save when changing focus away from a specific buffer:
-    //     "autosave": "on_focus_change",
-    // 4. Save when idle for a certain amount of time:
-    //     "autosave": { "after_delay": {"milliseconds": 500} },
-    "autosave": "off",
-    // Where to place the dock by default. This setting can take three
-    // values:
-    //
-    // 1. Position the dock attached to the bottom of the workspace
-    //     "default_dock_anchor": "bottom"
-    // 2. Position the dock to the right of the workspace like a side panel
-    //     "default_dock_anchor": "right"
-    // 3. Position the dock full screen over the entire workspace"
-    //     "default_dock_anchor": "expanded"
-    "default_dock_anchor": "right",
-    // Whether or not to perform a buffer format before saving
-    "format_on_save": "on",
-    // How to perform a buffer format. This setting can take two values:
-    //
-    // 1. Format code using the current language server:
-    //     "format_on_save": "language_server"
-    // 2. Format code using an external command:
-    //     "format_on_save": {
-    //       "external": {
-    //         "command": "prettier",
-    //         "arguments": ["--stdin-filepath", "{buffer_path}"]
-    //       }
+  // The name of the Zed theme to use for the UI
+  "theme": "One Dark",
+  // Features that can be globally enabled or disabled
+  "features": {
+    // Show Copilot icon in status bar
+    "copilot": true
+  },
+  // The name of a font to use for rendering text in the editor
+  "buffer_font_family": "Zed Mono",
+  // The OpenType features to enable for text in the editor.
+  "buffer_font_features": {
+    // Disable ligatures:
+    // "calt": false
+  },
+  // The default font size for text in the editor
+  "buffer_font_size": 15,
+  // The factor to grow the active pane by. Defaults to 1.0
+  // which gives the same size as all other panes.
+  "active_pane_magnification": 1.0,
+  // Whether to enable vim modes and key bindings
+  "vim_mode": false,
+  // Whether to show the informational hover box when moving the mouse
+  // over symbols in the editor.
+  "hover_popover_enabled": true,
+  // Whether to confirm before quitting Zed.
+  "confirm_quit": false,
+  // Whether the cursor blinks in the editor.
+  "cursor_blink": true,
+  // Whether to pop the completions menu while typing in an editor without
+  // explicitly requesting it.
+  "show_completions_on_input": true,
+  // Controls whether copilot provides suggestion immediately
+  // or waits for a `copilot::Toggle`
+  "show_copilot_suggestions": true,
+  // Whether to show tabs and spaces in the editor.
+  // This setting can take two values:
+  //
+  // 1. Draw tabs and spaces only for the selected text (default):
+  //    "selection"
+  // 2. Do not draw any tabs or spaces:
+  //   "none"
+  // 3. Draw all invisible symbols:
+  //   "all"
+  "show_whitespaces": "selection",
+  // Whether the screen sharing icon is shown in the os status bar.
+  "show_call_status_icon": true,
+  // Whether to use language servers to provide code intelligence.
+  "enable_language_server": true,
+  // When to automatically save edited buffers. This setting can
+  // take four values.
+  //
+  // 1. Never automatically save:
+  //     "autosave": "off",
+  // 2. Save when changing focus away from the Zed window:
+  //     "autosave": "on_window_change",
+  // 3. Save when changing focus away from a specific buffer:
+  //     "autosave": "on_focus_change",
+  // 4. Save when idle for a certain amount of time:
+  //     "autosave": { "after_delay": {"milliseconds": 500} },
+  "autosave": "off",
+  // Where to place the dock by default. This setting can take three
+  // values:
+  //
+  // 1. Position the dock attached to the bottom of the workspace
+  //     "default_dock_anchor": "bottom"
+  // 2. Position the dock to the right of the workspace like a side panel
+  //     "default_dock_anchor": "right"
+  // 3. Position the dock full screen over the entire workspace"
+  //     "default_dock_anchor": "expanded"
+  "default_dock_anchor": "bottom",
+  // Whether or not to remove any trailing whitespace from lines of a buffer
+  // before saving it.
+  "remove_trailing_whitespace_on_save": true,
+  // Whether or not to ensure there's a single newline at the end of a buffer
+  // when saving it.
+  "ensure_final_newline_on_save": true,
+  // Whether or not to perform a buffer format before saving
+  "format_on_save": "on",
+  // How to perform a buffer format. This setting can take two values:
+  //
+  // 1. Format code using the current language server:
+  //     "format_on_save": "language_server"
+  // 2. Format code using an external command:
+  //     "format_on_save": {
+  //       "external": {
+  //         "command": "prettier",
+  //         "arguments": ["--stdin-filepath", "{buffer_path}"]
+  //       }
+  //     }
+  "formatter": "language_server",
+  // How to soft-wrap long lines of text. This setting can take
+  // three values:
+  //
+  // 1. Do not soft wrap.
+  //      "soft_wrap": "none",
+  // 2. Soft wrap lines that overflow the editor:
+  //      "soft_wrap": "editor_width",
+  // 3. Soft wrap lines at the preferred line length
+  //      "soft_wrap": "preferred_line_length",
+  "soft_wrap": "none",
+  // The column at which to soft-wrap lines, for buffers where soft-wrap
+  // is enabled.
+  "preferred_line_length": 80,
+  // Whether to indent lines using tab characters, as opposed to multiple
+  // spaces.
+  "hard_tabs": false,
+  // How many columns a tab should occupy.
+  "tab_size": 4,
+  // Control what info is collected by Zed.
+  "telemetry": {
+    // Send debug info like crash reports.
+    "diagnostics": true,
+    // Send anonymized usage data like what languages you're using Zed with.
+    "metrics": true
+  },
+  // Automatically update Zed
+  "auto_update": true,
+  // Git gutter behavior configuration.
+  "git": {
+    // Control whether the git gutter is shown. May take 2 values:
+    // 1. Show the gutter
+    //      "git_gutter": "tracked_files"
+    // 2. Hide the gutter
+    //      "git_gutter": "hide"
+    "git_gutter": "tracked_files"
+  },
+  "copilot": {
+    // The set of glob patterns for which copilot should be disabled
+    // in any matching file.
+    "disabled_globs": [
+      ".env"
+    ]
+  },
+  // Settings specific to journaling
+  "journal": {
+    // The path of the directory where journal entries are stored
+    "path": "~",
+    // What format to display the hours in
+    // May take 2 values:
+    // 1. hour12
+    // 2. hour24
+    "hour_format": "hour12"
+  },
+  // Settings specific to the terminal
+  "terminal": {
+    // What shell to use when opening a terminal. May take 3 values:
+    // 1. Use the system's default terminal configuration in /etc/passwd
+    //      "shell": "system"
+    // 2. A program:
+    //      "shell": {
+    //        "program": "sh"
+    //      }
+    // 3. A program with arguments:
+    //     "shell": {
+    //         "with_arguments": {
+    //           "program": "/bin/bash",
+    //           "arguments": ["--login"]
+    //         }
    //     }
-    "formatter": "language_server",
-    // How to soft-wrap long lines of text. This setting can take
-    // three values:
+    "shell": "system",
+    // What working directory to use when launching the terminal.
+    // May take 4 values:
+    // 1. Use the current file's project directory.  Will Fallback to the
+    //    first project directory strategy if unsuccessful
+    //      "working_directory": "current_project_directory"
+    // 2. Use the first project in this workspace's directory
+    //      "working_directory": "first_project_directory"
+    // 3. Always use this platform's home directory (if we can find it)
+    //     "working_directory": "always_home"
+    // 4. Always use a specific directory. This value will be shell expanded.
+    //    If this path is not a valid directory the terminal will default to
+    //    this platform's home directory  (if we can find it)
+    //      "working_directory": {
+    //        "always": {
+    //          "directory": "~/zed/projects/"
+    //        }
+    //      }
    //
-    // 1. Do not soft wrap.
-    //      "soft_wrap": "none",
-    // 2. Soft wrap lines that overflow the editor:
-    //      "soft_wrap": "editor_width",
-    // 3. Soft wrap lines at the preferred line length
-    //      "soft_wrap": "preferred_line_length",
-    "soft_wrap": "none",
-    // The column at which to soft-wrap lines, for buffers where soft-wrap
-    // is enabled.
-    "preferred_line_length": 80,
-    // Whether to indent lines using tab characters, as opposed to multiple
-    // spaces.
-    "hard_tabs": false,
-    // How many columns a tab should occupy.
-    "tab_size": 4,
-    // Control what info Zed sends to our servers
-    "telemetry": {
-        // Send debug info like crash reports.
-        "diagnostics": true,
-        // Send anonymized usage data like what languages you're using Zed with.
-        "metrics": true
+    //
+    "working_directory": "current_project_directory",
+    // Set the cursor blinking behavior in the terminal.
+    // May take 4 values:
+    //  1. Never blink the cursor, ignoring the terminal mode
+    //         "blinking": "off",
+    //  2. Default the cursor blink to off, but allow the terminal to
+    //     set blinking
+    //         "blinking": "terminal_controlled",
+    //  3. Always blink the cursor, ignoring the terminal mode
+    //         "blinking": "on",
+    "blinking": "terminal_controlled",
+    // Set whether Alternate Scroll mode (code: ?1007) is active by default.
+    // Alternate Scroll mode converts mouse scroll events into up / down key
+    // presses when in the alternate screen (e.g. when running applications
+    // like vim or  less). The terminal can still set and unset this mode.
+    // May take 2 values:
+    //  1. Default alternate scroll mode to on
+    //         "alternate_scroll": "on",
+    //  2. Default alternate scroll mode to off
+    //         "alternate_scroll": "off",
+    "alternate_scroll": "off",
+    // Set whether the option key behaves as the meta key.
+    // May take 2 values:
+    //  1. Rely on default platform handling of option key, on macOS
+    //     this means generating certain unicode characters
+    //         "option_to_meta": false,
+    //  2. Make the option keys behave as a 'meta' key, e.g. for emacs
+    //         "option_to_meta": true,
+    "option_as_meta": false,
+    // Whether or not selecting text in the terminal will automatically
+    // copy to the system clipboard.
+    "copy_on_select": false,
+    // Any key-value pairs added to this list will be added to the terminal's
+    // enviroment. Use `:` to seperate multiple values.
+    "env": {
+      // "KEY": "value1:value2"
    },
-    // Automatically update Zed
-    "auto_update": true,
-    // Git gutter behavior configuration.
-    "git": {
-        // Control whether the git gutter is shown. May take 2 values:
-        // 1. Show the gutter
-        //      "git_gutter": "tracked_files"
-        // 2. Hide the gutter
-        //      "git_gutter": "hide"
-        "git_gutter": "tracked_files"
+    // Set the terminal's line height.
+    // May take 3 values:
+    //  1. Use a line height that's comfortable for reading, 1.618
+    //         "line_height": "comfortable"
+    //  2. Use a standard line height, 1.3. This option is useful for TUIs,
+    //      particularly if they use box characters
+    //         "line_height": "standard",
+    //  3. Use a custom line height.
+    //         "line_height": {
+    //           "custom": 2
+    //         },
+    //
+    "line_height": "comfortable"
+    // Set the terminal's font size. If this option is not included,
+    // the terminal will default to matching the buffer's font size.
+    // "font_size": "15"
+    // Set the terminal's font family. If this option is not included,
+    // the terminal will default to matching the buffer's font family.
+    // "font_family": "Zed Mono"
+  },
+  // Different settings for specific languages.
+  "languages": {
+    "Plain Text": {
+      "soft_wrap": "preferred_line_length"
    },
-    // Settings specific to journaling
-    "journal": {
-        // The path of the directory where journal entries are stored
-        "path": "~",
-        // What format to display the hours in
-        // May take 2 values:
-        // 1. hour12
-        // 2. hour24
-        "hour_format": "hour12"
+    "Elixir": {
+      "tab_size": 2
    },
-    // Settings specific to the terminal
-    "terminal": {
-        // What shell to use when opening a terminal. May take 3 values:
-        // 1. Use the system's default terminal configuration (e.g. $TERM).
-        //      "shell": "system"
-        // 2. A program:
-        //      "shell": {
-        //        "program": "sh"
-        //      }
-        // 3. A program with arguments:
-        //     "shell": {
-        //         "with_arguments": {
-        //           "program": "/bin/bash",
-        //           "arguments": ["--login"]
-        //         }
-        //     }
-        "shell": "system",
-        // What working directory to use when launching the terminal.
-        // May take 4 values:
-        // 1. Use the current file's project directory.  Will Fallback to the
-        //    first project directory strategy if unsuccessful
-        //      "working_directory": "current_project_directory"
-        // 2. Use the first project in this workspace's directory
-        //      "working_directory": "first_project_directory"
-        // 3. Always use this platform's home directory (if we can find it)
-        //     "working_directory": "always_home"
-        // 4. Always use a specific directory. This value will be shell expanded.
-        //    If this path is not a valid directory the terminal will default to
-        //    this platform's home directory  (if we can find it)
-        //      "working_directory": {
-        //        "always": {
-        //          "directory": "~/zed/projects/"
-        //        }
-        //      }
-        //
-        //
-        "working_directory": "current_project_directory",
-        // Set the cursor blinking behavior in the terminal.
-        // May take 4 values:
-        //  1. Never blink the cursor, ignoring the terminal mode
-        //         "blinking": "off",
-        //  2. Default the cursor blink to off, but allow the terminal to
-        //     set blinking
-        //         "blinking": "terminal_controlled",
-        //  3. Always blink the cursor, ignoring the terminal mode
-        //         "blinking": "on",
-        "blinking": "terminal_controlled",
-        // Set whether Alternate Scroll mode (code: ?1007) is active by default.
-        // Alternate Scroll mode converts mouse scroll events into up / down key
-        // presses when in the alternate screen (e.g. when running applications
-        // like vim or  less). The terminal can still set and unset this mode.
-        // May take 2 values:
-        //  1. Default alternate scroll mode to on
-        //         "alternate_scroll": "on",
-        //  2. Default alternate scroll mode to off
-        //         "alternate_scroll": "off",
-        "alternate_scroll": "off",
-        // Set whether the option key behaves as the meta key.
-        // May take 2 values:
-        //  1. Rely on default platform handling of option key, on macOS
-        //     this means generating certain unicode characters
-        //         "option_to_meta": false,
-        //  2. Make the option keys behave as a 'meta' key, e.g. for emacs
-        //         "option_to_meta": true,
-        "option_as_meta": false,
-        // Whether or not selecting text in the terminal will automatically
-        // copy to the system clipboard.
-        "copy_on_select": false,
-        // Any key-value pairs added to this list will be added to the terminal's
-        // enviroment. Use `:` to seperate multiple values.
-        "env": {
-            // "KEY": "value1:value2"
-        }
-        // Set the terminal's font size. If this option is not included,
-        // the terminal will default to matching the buffer's font size.
-        // "font_size": "15"
-        // Set the terminal's font family. If this option is not included,
-        // the terminal will default to matching the buffer's font family.
-        // "font_family": "Zed Mono"
+    "Go": {
+      "tab_size": 4,
+      "hard_tabs": true
    },
-    // Different settings for specific languages.
-    "languages": {
-        "Plain Text": {
-            "soft_wrap": "preferred_line_length"
-        },
-        "C": {
-            "tab_size": 2
-        },
-        "C++": {
-            "tab_size": 2
-        },
-        "Elixir": {
-            "tab_size": 2
-        },
-        "Go": {
-            "tab_size": 4,
-            "hard_tabs": true
-        },
-        "Markdown": {
-            "soft_wrap": "preferred_line_length"
-        },
-        "Rust": {
-            "tab_size": 4
-        },
-        "JavaScript": {
-            "tab_size": 2
-        },
-        "TypeScript": {
-            "tab_size": 2
-        },
-        "TSX": {
-            "tab_size": 2
-        },
-        "YAML": {
-            "tab_size": 2
-        }
+    "Markdown": {
+      "soft_wrap": "preferred_line_length"
    },
-    // LSP Specific settings.
-    "lsp": {
-        // Specify the LSP name as a key here.
-        // As of 8/10/22, supported LSPs are:
-        // pyright
-        // gopls
-        // rust-analyzer
-        // typescript-language-server
-        // vscode-json-languageserver
-        // "rust-analyzer": {
-        //     //These initialization options are merged into Zed's defaults
-        //     "initialization_options": {
-        //         "checkOnSave": {
-        //             "command": "clippy"
-        //         }
-        //     }
-        // }
+    "JavaScript": {
+      "tab_size": 2
+    },
+    "TypeScript": {
+      "tab_size": 2
+    },
+    "TSX": {
+      "tab_size": 2
+    },
+    "YAML": {
+      "tab_size": 2
+    },
+    "JSON": {
+      "tab_size": 2
    }
+  },
+  // LSP Specific settings.
+  "lsp": {
+    // Specify the LSP name as a key here.
+    // As of 8/10/22, supported LSPs are:
+    // pyright
+    // gopls
+    // rust-analyzer
+    // typescript-language-server
+    // vscode-json-languageserver
+    // "rust-analyzer": {
+    //     //These initialization options are merged into Zed's defaults
+    //     "initialization_options": {
+    //         "checkOnSave": {
+    //             "command": "clippy"
+    //         }
+    //     }
+    // }
+  }
 }
--- a/assets/settings/initial_user_settings.json
+++ b/assets/settings/initial_user_settings.json
@@ -7,5 +7,5 @@
 // custom settings, run the `open default settings` command
 // from the command palette or from `Zed` application menu.
 {
-    "buffer_font_size": 15
+  "buffer_font_size": 15
 }
--- a/crates/activity_indicator/Cargo.toml
+++ b/crates/activity_indicator/Cargo.toml
@@ -17,5 +17,5 @@ project = { path = "../project" }
 settings = { path = "../settings" }
 util = { path = "../util" }
 workspace = { path = "../workspace" }
-futures = "0.3"
-smallvec = { version = "1.6", features = ["union"] }
+futures.workspace = true
+smallvec.workspace = true
--- a/crates/activity_indicator/src/activity_indicator.rs
+++ b/crates/activity_indicator/src/activity_indicator.rs
@@ -2,8 +2,10 @@ use auto_update::{AutoUpdateStatus, AutoUpdater, DismissErrorMessage};
 use editor::Editor;
 use futures::StreamExt;
 use gpui::{
-    actions, elements::*, platform::CursorStyle, Action, AppContext, Entity, ModelHandle,
-    MouseButton, MutableAppContext, RenderContext, View, ViewContext, ViewHandle,
+    actions, anyhow,
+    elements::*,
+    platform::{CursorStyle, MouseButton},
+    AppContext, Entity, ModelHandle, View, ViewContext, ViewHandle,
 };
 use language::{LanguageRegistry, LanguageServerBinaryStatus};
 use project::{LanguageServerProgress, Project};
@@ -43,10 +45,10 @@ struct PendingWork<'a> {
 struct Content {
    icon: Option<&'static str>,
    message: String,
-    action: Option<Box<dyn Action>>,
+    on_click: Option<Arc<dyn Fn(&mut ActivityIndicator, &mut ViewContext<ActivityIndicator>)>>,
 }

-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(ActivityIndicator::show_error_message);
    cx.add_action(ActivityIndicator::dismiss_error_message);
 }
@@ -61,21 +63,18 @@ impl ActivityIndicator {
        let auto_updater = AutoUpdater::get(cx);
        let this = cx.add_view(|cx: &mut ViewContext<Self>| {
            let mut status_events = languages.language_server_binary_statuses();
-            cx.spawn_weak(|this, mut cx| async move {
+            cx.spawn(|this, mut cx| async move {
                while let Some((language, event)) = status_events.next().await {
-                    if let Some(this) = this.upgrade(&cx) {
-                        this.update(&mut cx, |this, cx| {
-                            this.statuses.retain(|s| s.name != language.name());
-                            this.statuses.push(LspStatus {
-                                name: language.name(),
-                                status: event,
-                            });
-                            cx.notify();
+                    this.update(&mut cx, |this, cx| {
+                        this.statuses.retain(|s| s.name != language.name());
+                        this.statuses.push(LspStatus {
+                            name: language.name(),
+                            status: event,
                        });
-                    } else {
-                        break;
-                    }
+                        cx.notify();
+                    })?;
                }
+                anyhow::Ok(())
            })
            .detach();
            cx.observe(&project, |_, _, cx| cx.notify()).detach();
@@ -170,7 +169,7 @@ impl ActivityIndicator {
            .flatten()
    }

-    fn content_to_render(&mut self, cx: &mut RenderContext<Self>) -> Content {
+    fn content_to_render(&mut self, cx: &mut ViewContext<Self>) -> Content {
        // Show any language server has pending activity.
        let mut pending_work = self.pending_language_server_work(cx);
        if let Some(PendingWork {
@@ -200,7 +199,7 @@ impl ActivityIndicator {
            return Content {
                icon: None,
                message,
-                action: None,
+                on_click: None,
            };
        }

@@ -231,7 +230,7 @@ impl ActivityIndicator {
                    downloading.join(", "),
                    if downloading.len() > 1 { "s" } else { "" }
                ),
-                action: None,
+                on_click: None,
            };
        } else if !checking_for_update.is_empty() {
            return Content {
@@ -245,7 +244,7 @@ impl ActivityIndicator {
                        ""
                    }
                ),
-                action: None,
+                on_click: None,
            };
        } else if !failed.is_empty() {
            return Content {
@@ -255,7 +254,9 @@ impl ActivityIndicator {
                    failed.join(", "),
                    if failed.len() > 1 { "s" } else { "" }
                ),
-                action: Some(Box::new(ShowErrorMessage)),
+                on_click: Some(Arc::new(|this, cx| {
+                    this.show_error_message(&Default::default(), cx)
+                })),
            };
        }

@@ -265,27 +266,31 @@ impl ActivityIndicator {
                AutoUpdateStatus::Checking => Content {
                    icon: Some(DOWNLOAD_ICON),
                    message: "Checking for Zed updates…".to_string(),
-                    action: None,
+                    on_click: None,
                },
                AutoUpdateStatus::Downloading => Content {
                    icon: Some(DOWNLOAD_ICON),
                    message: "Downloading Zed update…".to_string(),
-                    action: None,
+                    on_click: None,
                },
                AutoUpdateStatus::Installing => Content {
                    icon: Some(DOWNLOAD_ICON),
                    message: "Installing Zed update…".to_string(),
-                    action: None,
+                    on_click: None,
                },
                AutoUpdateStatus::Updated => Content {
                    icon: None,
                    message: "Click to restart and update Zed".to_string(),
-                    action: Some(Box::new(workspace::Restart)),
+                    on_click: Some(Arc::new(|_, cx| {
+                        workspace::restart(&Default::default(), cx)
+                    })),
                },
                AutoUpdateStatus::Errored => Content {
                    icon: Some(WARNING_ICON),
                    message: "Auto update failed".to_string(),
-                    action: Some(Box::new(DismissErrorMessage)),
+                    on_click: Some(Arc::new(|this, cx| {
+                        this.dismiss_error_message(&Default::default(), cx)
+                    })),
                },
                AutoUpdateStatus::Idle => Default::default(),
            };
@@ -295,7 +300,7 @@ impl ActivityIndicator {
            return Content {
                icon: None,
                message: most_recent_active_task.to_string(),
-                action: None,
+                on_click: None,
            };
        }

@@ -312,21 +317,21 @@ impl View for ActivityIndicator {
        "ActivityIndicator"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let Content {
            icon,
            message,
-            action,
+            on_click,
        } = self.content_to_render(cx);

-        let mut element = MouseEventHandler::<Self>::new(0, cx, |state, cx| {
+        let mut element = MouseEventHandler::<Self, _>::new(0, cx, |state, cx| {
            let theme = &cx
                .global::<Settings>()
                .theme
                .workspace
                .status_bar
                .lsp_status;
-            let style = if state.hovered() && action.is_some() {
+            let style = if state.hovered() && on_click.is_some() {
                theme.hover.as_ref().unwrap_or(&theme.default)
            } else {
                &theme.default
@@ -340,31 +345,27 @@ impl View for ActivityIndicator {
                        .contained()
                        .with_margin_right(style.icon_spacing)
                        .aligned()
-                        .named("activity-icon")
+                        .into_any_named("activity-icon")
                }))
                .with_child(
                    Text::new(message, style.message.clone())
                        .with_soft_wrap(false)
-                        .aligned()
-                        .boxed(),
+                        .aligned(),
                )
                .constrained()
                .with_height(style.height)
                .contained()
                .with_style(style.container)
                .aligned()
-                .boxed()
        });

-        if let Some(action) = action {
+        if let Some(on_click) = on_click.clone() {
            element = element
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_any_action(action.boxed_clone())
-                });
+                .on_click(MouseButton::Left, move |_, this, cx| on_click(this, cx));
        }

-        element.boxed()
+        element.into_any()
    }
 }

--- a/crates/assets/Cargo.toml
+++ b/crates/assets/Cargo.toml
@@ -10,6 +10,5 @@ doctest = false

 [dependencies]
 gpui = { path = "../gpui" }
-anyhow = "1.0.38"
+anyhow.workspace = true
 rust-embed = { version = "6.3", features = ["include-exclude"] }
-
--- a/crates/auto_update/Cargo.toml
+++ b/crates/auto_update/Cargo.toml
@@ -18,11 +18,12 @@ settings = { path = "../settings" }
 theme = { path = "../theme" }
 workspace = { path = "../workspace" }
 util = { path = "../util" }
-anyhow = "1.0.38"
+anyhow.workspace = true
 isahc = "1.7"
-lazy_static = "1.4"
-log = "0.4"
-serde = { version = "1.0", features = ["derive", "rc"] }
-serde_json = { version = "1.0", features = ["preserve_order"] }
-smol = "1.2.5"
-tempdir = "0.3.7"
+lazy_static.workspace = true
+log.workspace = true
+serde.workspace = true
+serde_derive.workspace = true
+serde_json.workspace = true
+smol.workspace = true
+tempdir.workspace = true
--- a/crates/auto_update/src/auto_update.rs
+++ b/crates/auto_update/src/auto_update.rs
@@ -1,19 +1,21 @@
 mod update_notification;

 use anyhow::{anyhow, Context, Result};
-use client::{http::HttpClient, ZED_SECRET_CLIENT_TOKEN};
-use client::{ZED_APP_PATH, ZED_APP_VERSION};
+use client::{Client, ZED_APP_PATH, ZED_APP_VERSION, ZED_SECRET_CLIENT_TOKEN};
 use db::kvp::KEY_VALUE_STORE;
 use gpui::{
    actions, platform::AppVersion, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle,
-    MutableAppContext, Task, WeakViewHandle,
+    Task, WeakViewHandle,
 };
+use isahc::AsyncBody;
 use serde::Deserialize;
+use serde_derive::Serialize;
 use settings::Settings;
 use smol::{fs::File, io::AsyncReadExt, process::Command};
 use std::{ffi::OsString, sync::Arc, time::Duration};
 use update_notification::UpdateNotification;
 use util::channel::ReleaseChannel;
+use util::http::HttpClient;
 use workspace::Workspace;

 const SHOULD_SHOW_UPDATE_NOTIFICATION_KEY: &str = "auto-updater-should-show-updated-notification";
@@ -21,6 +23,13 @@ const POLL_INTERVAL: Duration = Duration::from_secs(60 * 60);

 actions!(auto_update, [Check, DismissErrorMessage, ViewReleaseNotes]);

+#[derive(Serialize)]
+struct UpdateRequestBody {
+    installation_id: Option<Arc<str>>,
+    release_channel: Option<&'static str>,
+    telemetry: bool,
+}
+
 #[derive(Clone, Copy, PartialEq, Eq)]
 pub enum AutoUpdateStatus {
    Idle,
@@ -49,11 +58,10 @@ impl Entity for AutoUpdater {
    type Event = ();
 }

-pub fn init(http_client: Arc<dyn HttpClient>, server_url: String, cx: &mut MutableAppContext) {
+pub fn init(http_client: Arc<dyn HttpClient>, server_url: String, cx: &mut AppContext) {
    if let Some(version) = (*ZED_APP_VERSION).or_else(|| cx.platform().app_version().ok()) {
-        let server_url = server_url;
        let auto_updater = cx.add_model(|cx| {
-            let updater = AutoUpdater::new(version, http_client, server_url.clone());
+            let updater = AutoUpdater::new(version, http_client, server_url);

            let mut update_subscription = cx
                .global::<Settings>()
@@ -63,10 +71,10 @@ pub fn init(http_client: Arc<dyn HttpClient>, server_url: String, cx: &mut Mutab
            cx.observe_global::<Settings, _>(move |updater, cx| {
                if cx.global::<Settings>().auto_update {
                    if update_subscription.is_none() {
-                        *(&mut update_subscription) = Some(updater.start_polling(cx))
+                        update_subscription = Some(updater.start_polling(cx))
                    }
                } else {
-                    (&mut update_subscription).take();
+                    update_subscription.take();
                }
            })
            .detach();
@@ -74,28 +82,35 @@ pub fn init(http_client: Arc<dyn HttpClient>, server_url: String, cx: &mut Mutab
            updater
        });
        cx.set_global(Some(auto_updater));
-        cx.add_global_action(|_: &Check, cx| {
-            if let Some(updater) = AutoUpdater::get(cx) {
-                updater.update(cx, |updater, cx| updater.poll(cx));
-            }
-        });
-        cx.add_global_action(move |_: &ViewReleaseNotes, cx| {
-            let latest_release_url = if cx.has_global::<ReleaseChannel>()
-                && *cx.global::<ReleaseChannel>() == ReleaseChannel::Preview
-            {
-                format!("{server_url}/releases/preview/latest")
-            } else {
-                format!("{server_url}/releases/latest")
-            };
-            cx.platform().open_url(&latest_release_url);
-        });
+        cx.add_global_action(check);
+        cx.add_global_action(view_release_notes);
        cx.add_action(UpdateNotification::dismiss);
    }
 }

+pub fn check(_: &Check, cx: &mut AppContext) {
+    if let Some(updater) = AutoUpdater::get(cx) {
+        updater.update(cx, |updater, cx| updater.poll(cx));
+    }
+}
+
+fn view_release_notes(_: &ViewReleaseNotes, cx: &mut AppContext) {
+    if let Some(auto_updater) = AutoUpdater::get(cx) {
+        let server_url = &auto_updater.read(cx).server_url;
+        let latest_release_url = if cx.has_global::<ReleaseChannel>()
+            && *cx.global::<ReleaseChannel>() == ReleaseChannel::Preview
+        {
+            format!("{server_url}/releases/preview/latest")
+        } else {
+            format!("{server_url}/releases/latest")
+        };
+        cx.platform().open_url(&latest_release_url);
+    }
+}
+
 pub fn notify_of_any_new_update(
    workspace: WeakViewHandle<Workspace>,
-    cx: &mut MutableAppContext,
+    cx: &mut AppContext,
 ) -> Option<()> {
    let updater = AutoUpdater::get(cx)?;
    let version = updater.read(cx).current_version;
@@ -104,17 +119,15 @@ pub fn notify_of_any_new_update(
    cx.spawn(|mut cx| async move {
        let should_show_notification = should_show_notification.await?;
        if should_show_notification {
-            if let Some(workspace) = workspace.upgrade(&cx) {
-                workspace.update(&mut cx, |workspace, cx| {
-                    workspace.show_notification(0, cx, |cx| {
-                        cx.add_view(|_| UpdateNotification::new(version))
-                    });
-                    updater
-                        .read(cx)
-                        .set_should_show_update_notification(false, cx)
-                        .detach_and_log_err(cx);
+            workspace.update(&mut cx, |workspace, cx| {
+                workspace.show_notification(0, cx, |cx| {
+                    cx.add_view(|_| UpdateNotification::new(version))
                });
-            }
+                updater
+                    .read(cx)
+                    .set_should_show_update_notification(false, cx)
+                    .detach_and_log_err(cx);
+            })?;
        }
        anyhow::Ok(())
    })
@@ -124,7 +137,7 @@ pub fn notify_of_any_new_update(
 }

 impl AutoUpdater {
-    pub fn get(cx: &mut MutableAppContext) -> Option<ModelHandle<Self>> {
+    pub fn get(cx: &mut AppContext) -> Option<ModelHandle<Self>> {
        cx.default_global::<Option<ModelHandle<Self>>>().clone()
    }

@@ -243,7 +256,24 @@ impl AutoUpdater {
        mounted_app_path.push("/");

        let mut dmg_file = File::create(&dmg_path).await?;
-        let mut response = client.get(&release.url, Default::default(), true).await?;
+
+        let (installation_id, release_channel, telemetry) = cx.read(|cx| {
+            let installation_id = cx.global::<Arc<Client>>().telemetry().installation_id();
+            let release_channel = cx
+                .has_global::<ReleaseChannel>()
+                .then(|| cx.global::<ReleaseChannel>().display_name());
+            let telemetry = cx.global::<Settings>().telemetry().metrics();
+
+            (installation_id, release_channel, telemetry)
+        });
+
+        let request_body = AsyncBody::from(serde_json::to_string(&UpdateRequestBody {
+            installation_id,
+            release_channel,
+            telemetry,
+        })?);
+
+        let mut response = client.get(&release.url, request_body, true).await?;
        smol::io::copy(response.body_mut(), &mut dmg_file).await?;
        log::info!("downloaded update. path:{:?}", dmg_path);

--- a/crates/auto_update/src/update_notification.rs
+++ b/crates/auto_update/src/update_notification.rs
@@ -1,8 +1,8 @@
 use crate::ViewReleaseNotes;
 use gpui::{
    elements::{Flex, MouseEventHandler, Padding, ParentElement, Svg, Text},
-    platform::{AppVersion, CursorStyle},
-    Element, Entity, MouseButton, View, ViewContext,
+    platform::{AppVersion, CursorStyle, MouseButton},
+    Element, Entity, View, ViewContext,
 };
 use menu::Cancel;
 use settings::Settings;
@@ -26,13 +26,13 @@ impl View for UpdateNotification {
        "UpdateNotification"
    }

-    fn render(&mut self, cx: &mut gpui::RenderContext<'_, Self>) -> gpui::ElementBox {
+    fn render(&mut self, cx: &mut gpui::ViewContext<Self>) -> gpui::AnyElement<Self> {
        let theme = cx.global::<Settings>().theme.clone();
        let theme = &theme.update_notification;

        let app_name = cx.global::<ReleaseChannel>().display_name();

-        MouseEventHandler::<ViewReleaseNotes>::new(0, cx, |state, cx| {
+        MouseEventHandler::<ViewReleaseNotes, _>::new(0, cx, |state, cx| {
            Flex::column()
                .with_child(
                    Flex::row()
@@ -46,11 +46,10 @@ impl View for UpdateNotification {
                            .aligned()
                            .top()
                            .left()
-                            .flex(1., true)
-                            .boxed(),
+                            .flex(1., true),
                        )
                        .with_child(
-                            MouseEventHandler::<Cancel>::new(0, cx, |state, _| {
+                            MouseEventHandler::<Cancel, _>::new(0, cx, |state, _| {
                                let style = theme.dismiss_button.style_for(state, false);
                                Svg::new("icons/x_mark_8.svg")
                                    .with_color(style.color)
@@ -62,35 +61,32 @@ impl View for UpdateNotification {
                                    .constrained()
                                    .with_width(style.button_width)
                                    .with_height(style.button_width)
-                                    .boxed()
                            })
                            .with_padding(Padding::uniform(5.))
-                            .on_click(MouseButton::Left, move |_, cx| cx.dispatch_action(Cancel))
+                            .on_click(MouseButton::Left, move |_, this, cx| {
+                                this.dismiss(&Default::default(), cx)
+                            })
                            .aligned()
                            .constrained()
                            .with_height(cx.font_cache().line_height(theme.message.text.font_size))
                            .aligned()
                            .top()
-                            .flex_float()
-                            .boxed(),
-                        )
-                        .boxed(),
+                            .flex_float(),
+                        ),
                )
                .with_child({
                    let style = theme.action_message.style_for(state, false);
                    Text::new("View the release notes", style.text.clone())
                        .contained()
                        .with_style(style.container)
-                        .boxed()
                })
                .contained()
-                .boxed()
        })
        .with_cursor_style(CursorStyle::PointingHand)
-        .on_click(MouseButton::Left, |_, cx| {
-            cx.dispatch_action(ViewReleaseNotes)
+        .on_click(MouseButton::Left, |_, _, cx| {
+            crate::view_release_notes(&Default::default(), cx)
        })
-        .boxed()
+        .into_any_named("update notification")
    }
 }

--- a/crates/breadcrumbs/Cargo.toml
+++ b/crates/breadcrumbs/Cargo.toml
@@ -18,6 +18,7 @@ search = { path = "../search" }
 settings = { path = "../settings" }
 theme = { path = "../theme" }
 workspace = { path = "../workspace" }
+outline = { path = "../outline" }
 itertools = "0.10"

 [dev-dependencies]
--- a/crates/breadcrumbs/src/breadcrumbs.rs
+++ b/crates/breadcrumbs/src/breadcrumbs.rs
@@ -1,12 +1,13 @@
 use gpui::{
-    elements::*, AppContext, Entity, RenderContext, Subscription, View, ViewContext, ViewHandle,
+    elements::*, platform::MouseButton, AppContext, Entity, Subscription, View, ViewContext,
+    ViewHandle, WeakViewHandle,
 };
 use itertools::Itertools;
 use search::ProjectSearchView;
 use settings::Settings;
 use workspace::{
    item::{ItemEvent, ItemHandle},
-    ToolbarItemLocation, ToolbarItemView,
+    ToolbarItemLocation, ToolbarItemView, Workspace,
 };

 pub enum Event {
@@ -14,17 +15,21 @@ pub enum Event {
 }

 pub struct Breadcrumbs {
+    pane_focused: bool,
    active_item: Option<Box<dyn ItemHandle>>,
    project_search: Option<ViewHandle<ProjectSearchView>>,
    subscription: Option<Subscription>,
+    workspace: WeakViewHandle<Workspace>,
 }

 impl Breadcrumbs {
-    pub fn new() -> Self {
+    pub fn new(workspace: &Workspace) -> Self {
        Self {
+            pane_focused: false,
            active_item: Default::default(),
            subscription: Default::default(),
            project_search: Default::default(),
+            workspace: workspace.weak_handle(),
        }
    }
 }
@@ -38,25 +43,67 @@ impl View for Breadcrumbs {
        "Breadcrumbs"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+        let active_item = match &self.active_item {
+            Some(active_item) => active_item,
+            None => return Empty::new().into_any(),
+        };
+        let not_editor = active_item.downcast::<editor::Editor>().is_none();
+
        let theme = cx.global::<Settings>().theme.clone();
-        if let Some(breadcrumbs) = self
-            .active_item
-            .as_ref()
-            .and_then(|item| item.breadcrumbs(&theme, cx))
-        {
-            Flex::row()
-                .with_children(Itertools::intersperse_with(breadcrumbs.into_iter(), || {
-                    Label::new(" 〉 ", theme.breadcrumbs.text.clone()).boxed()
-                }))
-                .contained()
-                .with_style(theme.breadcrumbs.container)
+        let style = &theme.workspace.breadcrumbs;
+
+        let breadcrumbs = match active_item.breadcrumbs(&theme, cx) {
+            Some(breadcrumbs) => breadcrumbs,
+            None => return Empty::new().into_any(),
+        }
+        .into_iter()
+        .map(|breadcrumb| {
+            Text::new(
+                breadcrumb.text,
+                theme.workspace.breadcrumbs.default.text.clone(),
+            )
+            .with_highlights(breadcrumb.highlights.unwrap_or_default())
+            .into_any()
+        });
+
+        let crumbs = Flex::row()
+            .with_children(Itertools::intersperse_with(breadcrumbs, || {
+                Label::new(" 〉 ", style.default.text.clone()).into_any()
+            }))
+            .constrained()
+            .with_height(theme.workspace.breadcrumb_height)
+            .contained();
+
+        if not_editor || !self.pane_focused {
+            return crumbs
+                .with_style(style.default.container)
                .aligned()
                .left()
-                .boxed()
-        } else {
-            Empty::new().boxed()
+                .into_any();
        }
+
+        MouseEventHandler::<Breadcrumbs, Breadcrumbs>::new(0, cx, |state, _| {
+            let style = style.style_for(state, false);
+            crumbs.with_style(style.container)
+        })
+        .on_click(MouseButton::Left, |_, this, cx| {
+            if let Some(workspace) = this.workspace.upgrade(cx) {
+                workspace.update(cx, |workspace, cx| {
+                    outline::toggle(workspace, &Default::default(), cx)
+                })
+            }
+        })
+        .with_tooltip::<Breadcrumbs>(
+            0,
+            "Show symbol outline".to_owned(),
+            Some(Box::new(outline::Toggle)),
+            theme.tooltip.clone(),
+            cx,
+        )
+        .aligned()
+        .left()
+        .into_any()
    }
 }

@@ -103,4 +150,8 @@ impl ToolbarItemView for Breadcrumbs {
            current_location
        }
    }
+
+    fn pane_focus_update(&mut self, pane_focused: bool, _: &mut ViewContext<Self>) {
+        self.pane_focused = pane_focused;
+    }
 }
--- a/crates/call/Cargo.toml
+++ b/crates/call/Cargo.toml
@@ -22,7 +22,7 @@ test-support = [
 client = { path = "../client" }
 collections = { path = "../collections" }
 gpui = { path = "../gpui" }
-log = "0.4"
+log.workspace = true
 live_kit_client = { path = "../live_kit_client" }
 fs = { path = "../fs" }
 language = { path = "../language" }
@@ -31,10 +31,10 @@ project = { path = "../project" }
 settings = { path = "../settings" }
 util = { path = "../util" }

-anyhow = "1.0.38"
+anyhow.workspace = true
 async-broadcast = "0.4"
-futures = "0.3"
-postage = { version = "0.4.1", features = ["futures-traits"] }
+futures.workspace = true
+postage.workspace = true

 [dev-dependencies]
 client = { path = "../client", features = ["test-support"] }
--- a/crates/call/src/call.rs
+++ b/crates/call/src/call.rs
@@ -10,15 +10,15 @@ use futures::{future::Shared, FutureExt};
 use postage::watch;

 use gpui::{
-    AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext,
-    Subscription, Task, WeakModelHandle,
+    AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, Subscription, Task,
+    WeakModelHandle,
 };
 use project::Project;

 pub use participant::ParticipantLocation;
 pub use room::Room;

-pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut MutableAppContext) {
+pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut AppContext) {
    let active_call = cx.add_model(|cx| ActiveCall::new(client, user_store, cx));
    cx.set_global(active_call);
 }
@@ -264,12 +264,13 @@ impl ActiveCall {
        Ok(())
    }

-    pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
+    pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
+        cx.notify();
        if let Some((room, _)) = self.room.take() {
-            room.update(cx, |room, cx| room.leave(cx))?;
-            cx.notify();
+            room.update(cx, |room, cx| room.leave(cx))
+        } else {
+            Task::ready(Ok(()))
        }
-        Ok(())
    }

    pub fn share_project(
--- a/crates/call/src/room.rs
+++ b/crates/call/src/room.rs
@@ -10,17 +10,15 @@ use client::{
 use collections::{BTreeMap, HashMap, HashSet};
 use fs::Fs;
 use futures::{FutureExt, StreamExt};
-use gpui::{
-    AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task, WeakModelHandle,
-};
+use gpui::{AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, Task, WeakModelHandle};
 use language::LanguageRegistry;
 use live_kit_client::{LocalTrackPublication, LocalVideoTrack, RemoteVideoTrackUpdate};
 use postage::stream::Stream;
 use project::Project;
-use std::{mem, sync::Arc, time::Duration};
+use std::{future::Future, mem, pin::Pin, sync::Arc, time::Duration};
 use util::{post_inc, ResultExt, TryFutureExt};

-pub const RECONNECT_TIMEOUT: Duration = client::RECEIVE_TIMEOUT;
+pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);

 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum Event {
@@ -55,7 +53,7 @@ pub struct Room {
    leave_when_empty: bool,
    client: Arc<Client>,
    user_store: ModelHandle<UserStore>,
-    follows_by_leader_id: HashMap<PeerId, Vec<PeerId>>,
+    follows_by_leader_id_project_id: HashMap<(PeerId, u64), Vec<PeerId>>,
    subscriptions: Vec<client::Subscription>,
    pending_room_update: Option<Task<()>>,
    maintain_connection: Option<Task<Option<()>>>,
@@ -64,10 +62,24 @@ pub struct Room {
 impl Entity for Room {
    type Event = Event;

-    fn release(&mut self, _: &mut MutableAppContext) {
+    fn release(&mut self, cx: &mut AppContext) {
        if self.status.is_online() {
-            log::info!("room was released, sending leave message");
-            let _ = self.client.send(proto::LeaveRoom {});
+            self.leave_internal(cx).detach_and_log_err(cx);
+        }
+    }
+
+    fn app_will_quit(&mut self, cx: &mut AppContext) -> Option<Pin<Box<dyn Future<Output = ()>>>> {
+        if self.status.is_online() {
+            let leave = self.leave_internal(cx);
+            Some(
+                cx.background()
+                    .spawn(async move {
+                        leave.await.log_err();
+                    })
+                    .boxed(),
+            )
+        } else {
+            None
        }
    }
 }
@@ -149,7 +161,7 @@ impl Room {
            pending_room_update: None,
            client,
            user_store,
-            follows_by_leader_id: Default::default(),
+            follows_by_leader_id_project_id: Default::default(),
            maintain_connection: Some(maintain_connection),
        }
    }
@@ -159,7 +171,7 @@ impl Room {
        initial_project: Option<ModelHandle<Project>>,
        client: Arc<Client>,
        user_store: ModelHandle<UserStore>,
-        cx: &mut MutableAppContext,
+        cx: &mut AppContext,
    ) -> Task<Result<ModelHandle<Self>>> {
        cx.spawn(|mut cx| async move {
            let response = client.request(proto::CreateRoom {}).await?;
@@ -202,7 +214,7 @@ impl Room {
        call: &IncomingCall,
        client: Arc<Client>,
        user_store: ModelHandle<UserStore>,
-        cx: &mut MutableAppContext,
+        cx: &mut AppContext,
    ) -> Task<Result<ModelHandle<Self>>> {
        let room_id = call.room_id;
        cx.spawn(|mut cx| async move {
@@ -234,13 +246,17 @@ impl Room {
            && self.pending_call_count == 0
    }

-    pub(crate) fn leave(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
-        if self.status.is_offline() {
-            return Err(anyhow!("room is offline"));
-        }
-
+    pub(crate) fn leave(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
        cx.notify();
        cx.emit(Event::Left);
+        self.leave_internal(cx)
+    }
+
+    fn leave_internal(&mut self, cx: &mut AppContext) -> Task<Result<()>> {
+        if self.status.is_offline() {
+            return Task::ready(Err(anyhow!("room is offline")));
+        }
+
        log::info!("leaving room");

        for project in self.shared_projects.drain() {
@@ -254,6 +270,7 @@ impl Room {
            if let Some(project) = project.upgrade(cx) {
                project.update(cx, |project, cx| {
                    project.disconnected_from_host(cx);
+                    project.close(cx);
                });
            }
        }
@@ -266,8 +283,12 @@ impl Room {
        self.live_kit.take();
        self.pending_room_update.take();
        self.maintain_connection.take();
-        self.client.send(proto::LeaveRoom {})?;
-        Ok(())
+
+        let leave_room = self.client.request(proto::LeaveRoom {});
+        cx.background().spawn(async move {
+            leave_room.await?;
+            anyhow::Ok(())
+        })
    }

    async fn maintain_connection(
@@ -277,14 +298,12 @@ impl Room {
    ) -> Result<()> {
        let mut client_status = client.status();
        loop {
-            let is_connected = client_status
-                .next()
-                .await
-                .map_or(false, |s| s.is_connected());
-
+            let _ = client_status.try_recv();
+            let is_connected = client_status.borrow().is_connected();
            // Even if we're initially connected, any future change of the status means we momentarily disconnected.
            if !is_connected || client_status.next().await.is_some() {
                log::info!("detected client disconnection");
+
                this.upgrade(&cx)
                    .ok_or_else(|| anyhow!("room was dropped"))?
                    .update(&mut cx, |this, cx| {
@@ -298,12 +317,7 @@ impl Room {
                    let client_reconnection = async {
                        let mut remaining_attempts = 3;
                        while remaining_attempts > 0 {
-                            log::info!(
-                                "waiting for client status change, remaining attempts {}",
-                                remaining_attempts
-                            );
-                            let Some(status) = client_status.next().await else { break };
-                            if status.is_connected() {
+                            if client_status.borrow().is_connected() {
                                log::info!("client reconnected, attempting to rejoin room");

                                let Some(this) = this.upgrade(&cx) else { break };
@@ -317,7 +331,15 @@ impl Room {
                                } else {
                                    remaining_attempts -= 1;
                                }
+                            } else if client_status.borrow().is_signed_out() {
+                                return false;
                            }
+
+                            log::info!(
+                                "waiting for client status change, remaining attempts {}",
+                                remaining_attempts
+                            );
+                            client_status.next().await;
                        }
                        false
                    }
@@ -339,18 +361,20 @@ impl Room {
                    }
                }

-                // The client failed to re-establish a connection to the server
-                // or an error occurred while trying to re-join the room. Either way
-                // we leave the room and return an error.
-                if let Some(this) = this.upgrade(&cx) {
-                    log::info!("reconnection failed, leaving room");
-                    let _ = this.update(&mut cx, |this, cx| this.leave(cx));
-                }
-                return Err(anyhow!(
-                    "can't reconnect to room: client failed to re-establish connection"
-                ));
+                break;
            }
        }
+
+        // The client failed to re-establish a connection to the server
+        // or an error occurred while trying to re-join the room. Either way
+        // we leave the room and return an error.
+        if let Some(this) = this.upgrade(&cx) {
+            log::info!("reconnection failed, leaving room");
+            let _ = this.update(&mut cx, |this, cx| this.leave(cx));
+        }
+        Err(anyhow!(
+            "can't reconnect to room: client failed to re-establish connection"
+        ))
    }

    fn rejoin(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
@@ -395,7 +419,7 @@ impl Room {
            false
        });

-        let response = self.client.request(proto::RejoinRoom {
+        let response = self.client.request_envelope(proto::RejoinRoom {
            id: self.id,
            reshared_projects,
            rejoined_projects,
@@ -403,6 +427,8 @@ impl Room {

        cx.spawn(|this, mut cx| async move {
            let response = response.await?;
+            let message_id = response.message_id;
+            let response = response.payload;
            let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
            this.update(&mut cx, |this, cx| {
                this.status = RoomStatus::Online;
@@ -419,7 +445,7 @@ impl Room {
                for rejoined_project in response.rejoined_projects {
                    if let Some(project) = projects.get(&rejoined_project.id) {
                        project.update(cx, |project, cx| {
-                            project.rejoined(rejoined_project, cx).log_err();
+                            project.rejoined(rejoined_project, message_id, cx).log_err();
                        });
                    }
                }
@@ -459,9 +485,9 @@ impl Room {
        self.participant_user_ids.contains(&user_id)
    }

-    pub fn followers_for(&self, leader_id: PeerId) -> &[PeerId] {
-        self.follows_by_leader_id
-            .get(&leader_id)
+    pub fn followers_for(&self, leader_id: PeerId, project_id: u64) -> &[PeerId] {
+        self.follows_by_leader_id_project_id
+            .get(&(leader_id, project_id))
            .map_or(&[], |v| v.as_slice())
    }

@@ -598,7 +624,7 @@ impl Room {

                            if let Some(live_kit) = this.live_kit.as_ref() {
                                let tracks =
-                                    live_kit.room.remote_video_tracks(&peer_id.to_string());
+                                    live_kit.room.remote_video_tracks(&user.id.to_string());
                                for track in tracks {
                                    this.remote_video_track_updated(
                                        RemoteVideoTrackUpdate::Subscribed(track),
@@ -631,8 +657,9 @@ impl Room {
                    }
                }

-                this.follows_by_leader_id.clear();
+                this.follows_by_leader_id_project_id.clear();
                for follower in room.followers {
+                    let project_id = follower.project_id;
                    let (leader, follower) = match (follower.leader_id, follower.follower_id) {
                        (Some(leader), Some(follower)) => (leader, follower),

@@ -643,8 +670,8 @@ impl Room {
                    };

                    let list = this
-                        .follows_by_leader_id
-                        .entry(leader)
+                        .follows_by_leader_id_project_id
+                        .entry((leader, project_id))
                        .or_insert(Vec::new());
                    if !list.contains(&follower) {
                        list.push(follower);
@@ -754,10 +781,10 @@ impl Room {
            this.update(&mut cx, |this, cx| {
                this.pending_call_count -= 1;
                if this.should_leave() {
-                    this.leave(cx)?;
+                    this.leave(cx).detach_and_log_err(cx);
                }
-                result
-            })?;
+            });
+            result?;
            Ok(())
        })
    }
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -13,11 +13,12 @@ name = "cli"
 path = "src/main.rs"

 [dependencies]
-anyhow = "1.0"
+anyhow.workspace = true
 clap = { version = "3.1", features = ["derive"] }
 dirs = "3.0"
 ipc-channel = "0.16"
-serde = { version = "1.0", features = ["derive", "rc"] }
+serde.workspace = true
+serde_derive.workspace = true

 [target.'cfg(target_os = "macos")'.dependencies]
 core-foundation = "0.9"
--- a/crates/client/Cargo.toml
+++ b/crates/client/Cargo.toml
@@ -17,26 +17,28 @@ db = { path = "../db" }
 gpui = { path = "../gpui" }
 util = { path = "../util" }
 rpc = { path = "../rpc" }
+settings = { path = "../settings" }
+staff_mode = { path = "../staff_mode" }
 sum_tree = { path = "../sum_tree" }
-anyhow = "1.0.38"
+
+anyhow.workspace = true
 async-recursion = "0.3"
 async-tungstenite = { version = "0.16", features = ["async-tls"] }
-futures = "0.3"
+futures.workspace = true
 image = "0.23"
-isahc = "1.7"
-lazy_static = "1.4.0"
-log = { version = "0.4.16", features = ["kv_unstable_serde"] }
-parking_lot = "0.11.1"
-postage = { version = "0.4.1", features = ["futures-traits"] }
-rand = "0.8.3"
-smol = "1.2.5"
-thiserror = "1.0.29"
-time = { version = "0.3", features = ["serde", "serde-well-known"] }
+lazy_static.workspace = true
+log.workspace = true
+parking_lot.workspace = true
+postage.workspace = true
+rand.workspace = true
+smol.workspace = true
+thiserror.workspace = true
+time.workspace = true
 tiny_http = "0.8"
 uuid = { version = "1.1.2", features = ["v4"] }
 url = "2.2"
-serde = { version = "*", features = ["derive"] }
-settings = { path = "../settings" }
+serde.workspace = true
+serde_derive.workspace = true
 tempfile = "3"

 [dev-dependencies]
@@ -44,3 +46,4 @@ collections = { path = "../collections", features = ["test-support"] }
 gpui = { path = "../gpui", features = ["test-support"] }
 rpc = { path = "../rpc", features = ["test-support"] }
 settings = { path = "../settings", features = ["test-support"] }
+util = { path = "../util", features = ["test-support"] }
--- a/crates/client/src/client.rs
+++ b/crates/client/src/client.rs
@@ -1,7 +1,6 @@
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;

-pub mod http;
 pub mod telemetry;
 pub mod user;

@@ -11,21 +10,24 @@ use async_tungstenite::tungstenite::{
    error::Error as WebsocketError,
    http::{Request, StatusCode},
 };
-use futures::{future::LocalBoxFuture, AsyncReadExt, FutureExt, SinkExt, StreamExt, TryStreamExt};
+use futures::{
+    future::LocalBoxFuture, AsyncReadExt, FutureExt, SinkExt, StreamExt, TryFutureExt as _,
+    TryStreamExt,
+};
 use gpui::{
    actions,
-    serde_json::{self, Value},
-    AnyModelHandle, AnyViewHandle, AnyWeakModelHandle, AnyWeakViewHandle, AppContext, AppVersion,
-    AsyncAppContext, Entity, ModelHandle, MutableAppContext, Task, View, ViewContext, ViewHandle,
+    platform::AppVersion,
+    serde_json::{self},
+    AnyModelHandle, AnyWeakModelHandle, AnyWeakViewHandle, AppContext, AsyncAppContext, Entity,
+    ModelHandle, Task, View, ViewContext, WeakViewHandle,
 };
-use http::HttpClient;
 use lazy_static::lazy_static;
 use parking_lot::RwLock;
 use postage::watch;
 use rand::prelude::*;
 use rpc::proto::{AnyTypedEnvelope, EntityMessage, EnvelopedMessage, PeerId, RequestMessage};
 use serde::Deserialize;
-use settings::{Settings, TelemetrySettings};
+use settings::Settings;
 use std::{
    any::TypeId,
    collections::HashMap,
@@ -41,9 +43,11 @@ use telemetry::Telemetry;
 use thiserror::Error;
 use url::Url;
 use util::channel::ReleaseChannel;
+use util::http::HttpClient;
 use util::{ResultExt, TryFutureExt};

 pub use rpc::*;
+pub use telemetry::ClickhouseEvent;
 pub use user::*;

 lazy_static! {
@@ -66,12 +70,12 @@ pub const ZED_SECRET_CLIENT_TOKEN: &str = "618033988749894";
 pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(100);
 pub const CONNECTION_TIMEOUT: Duration = Duration::from_secs(5);

-actions!(client, [Authenticate]);
+actions!(client, [SignIn, SignOut]);

-pub fn init(client: Arc<Client>, cx: &mut MutableAppContext) {
+pub fn init(client: Arc<Client>, cx: &mut AppContext) {
    cx.add_global_action({
        let client = client.clone();
-        move |_: &Authenticate, cx| {
+        move |_: &SignIn, cx| {
            let client = client.clone();
            cx.spawn(
                |cx| async move { client.authenticate_and_connect(true, &cx).log_err().await },
@@ -79,6 +83,16 @@ pub fn init(client: Arc<Client>, cx: &mut MutableAppContext) {
            .detach();
        }
    });
+    cx.add_global_action({
+        let client = client.clone();
+        move |_: &SignOut, cx| {
+            let client = client.clone();
+            cx.spawn(|cx| async move {
+                client.disconnect(&cx);
+            })
+            .detach();
+        }
+    });
 }

 pub struct Client {
@@ -120,7 +134,7 @@ pub enum EstablishConnectionError {
    #[error("{0}")]
    Other(#[from] anyhow::Error),
    #[error("{0}")]
-    Http(#[from] http::Error),
+    Http(#[from] util::http::Error),
    #[error("{0}")]
    Io(#[from] std::io::Error),
    #[error("{0}")]
@@ -169,6 +183,10 @@ impl Status {
    pub fn is_connected(&self) -> bool {
        matches!(self, Self::Connected { .. })
    }
+
+    pub fn is_signed_out(&self) -> bool {
+        matches!(self, Self::SignedOut | Self::UpgradeRequired)
+    }
 }

 struct ClientState {
@@ -204,7 +222,7 @@ enum WeakSubscriber {

 enum Subscriber {
    Model(AnyModelHandle),
-    View(AnyViewHandle),
+    View(AnyWeakViewHandle),
 }

 #[derive(Clone, Debug)]
@@ -280,7 +298,7 @@ impl<T: Entity> PendingEntitySubscription<T> {

        state
            .entities_by_type_and_remote_id
-            .insert(id, WeakSubscriber::Model(model.downgrade().into()));
+            .insert(id, WeakSubscriber::Model(model.downgrade().into_any()));
        drop(state);
        for message in messages {
            self.client.handle_message(message, cx);
@@ -447,7 +465,7 @@ impl Client {
        self.state
            .write()
            .entities_by_type_and_remote_id
-            .insert(id, WeakSubscriber::View(cx.weak_handle().into()));
+            .insert(id, WeakSubscriber::View(cx.weak_handle().into_any()));
        Subscription::Entity {
            client: Arc::downgrade(self),
            id,
@@ -457,18 +475,22 @@ impl Client {
    pub fn subscribe_to_entity<T: Entity>(
        self: &Arc<Self>,
        remote_id: u64,
-    ) -> PendingEntitySubscription<T> {
+    ) -> Result<PendingEntitySubscription<T>> {
        let id = (TypeId::of::<T>(), remote_id);
-        self.state
-            .write()
-            .entities_by_type_and_remote_id
-            .insert(id, WeakSubscriber::Pending(Default::default()));

-        PendingEntitySubscription {
-            client: self.clone(),
-            remote_id,
-            consumed: false,
-            _entity_type: PhantomData,
+        let mut state = self.state.write();
+        if state.entities_by_type_and_remote_id.contains_key(&id) {
+            return Err(anyhow!("already subscribed to entity"));
+        } else {
+            state
+                .entities_by_type_and_remote_id
+                .insert(id, WeakSubscriber::Pending(Default::default()));
+            Ok(PendingEntitySubscription {
+                client: self.clone(),
+                remote_id,
+                consumed: false,
+                _entity_type: PhantomData,
+            })
        }
    }

@@ -491,7 +513,7 @@ impl Client {
        let mut state = self.state.write();
        state
            .models_by_message_type
-            .insert(message_type_id, model.downgrade().into());
+            .insert(message_type_id, model.downgrade().into_any());

        let prev_handler = state.message_handlers.insert(
            message_type_id,
@@ -546,7 +568,7 @@ impl Client {
        H: 'static
            + Send
            + Sync
-            + Fn(ViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+            + Fn(WeakViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
        F: 'static + Future<Output = Result<()>>,
    {
        self.add_entity_message_handler::<M, E, _, _>(move |handle, message, client, cx| {
@@ -645,7 +667,7 @@ impl Client {
        H: 'static
            + Send
            + Sync
-            + Fn(ViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+            + Fn(WeakViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
        F: 'static + Future<Output = Result<M::Response>>,
    {
        self.add_view_message_handler(move |entity, envelope, client, cx| {
@@ -715,7 +737,7 @@ impl Client {
            read_from_keychain = credentials.is_some();
            if read_from_keychain {
                cx.read(|cx| {
-                    self.report_event(
+                    self.telemetry().report_mixpanel_event(
                        "read credentials from keychain",
                        Default::default(),
                        cx.global::<Settings>().telemetry(),
@@ -1095,7 +1117,7 @@ impl Client {
                .context("failed to decrypt access token")?;
            platform.activate(true);

-            telemetry.report_event(
+            telemetry.report_mixpanel_event(
                "authenticate with browser",
                Default::default(),
                metrics_enabled,
@@ -1152,11 +1174,9 @@ impl Client {
        })
    }

-    pub fn disconnect(self: &Arc<Self>, cx: &AsyncAppContext) -> Result<()> {
-        let conn_id = self.connection_id()?;
-        self.peer.disconnect(conn_id);
+    pub fn disconnect(self: &Arc<Self>, cx: &AsyncAppContext) {
+        self.peer.teardown();
        self.set_status(Status::SignedOut, cx);
-        Ok(())
    }

    fn connection_id(&self) -> Result<ConnectionId> {
@@ -1176,6 +1196,14 @@ impl Client {
        &self,
        request: T,
    ) -> impl Future<Output = Result<T::Response>> {
+        self.request_envelope(request)
+            .map_ok(|envelope| envelope.payload)
+    }
+
+    pub fn request_envelope<T: RequestMessage>(
+        &self,
+        request: T,
+    ) -> impl Future<Output = Result<TypedEnvelope<T::Response>>> {
        let client_id = self.id;
        log::debug!(
            "rpc request start. client_id:{}. name:{}",
@@ -1184,7 +1212,7 @@ impl Client {
        );
        let response = self
            .connection_id()
-            .map(|conn_id| self.peer.request(conn_id, request));
+            .map(|conn_id| self.peer.request_envelope(conn_id, request));
        async move {
            let response = response?.await;
            log::debug!(
@@ -1246,7 +1274,15 @@ impl Client {
                    pending.push(message);
                    return;
                }
-                Some(weak_subscriber @ _) => subscriber = weak_subscriber.upgrade(cx),
+                Some(weak_subscriber @ _) => match weak_subscriber {
+                    WeakSubscriber::Model(handle) => {
+                        subscriber = handle.upgrade(cx).map(Subscriber::Model);
+                    }
+                    WeakSubscriber::View(handle) => {
+                        subscriber = Some(Subscriber::View(handle.clone()));
+                    }
+                    WeakSubscriber::Pending(_) => {}
+                },
                _ => {}
            }
        }
@@ -1303,40 +1339,8 @@ impl Client {
        }
    }

-    pub fn start_telemetry(&self) {
-        self.telemetry.start();
-    }
-
-    pub fn report_event(
-        &self,
-        kind: &str,
-        properties: Value,
-        telemetry_settings: TelemetrySettings,
-    ) {
-        self.telemetry
-            .report_event(kind, properties.clone(), telemetry_settings);
-    }
-
-    pub fn telemetry_log_file_path(&self) -> Option<PathBuf> {
-        self.telemetry.log_file_path()
-    }
-
-    pub fn metrics_id(&self) -> Option<Arc<str>> {
-        self.telemetry.metrics_id()
-    }
-
-    pub fn is_staff(&self) -> Option<bool> {
-        self.telemetry.is_staff()
-    }
-}
-
-impl WeakSubscriber {
-    fn upgrade(&self, cx: &AsyncAppContext) -> Option<Subscriber> {
-        match self {
-            WeakSubscriber::Model(handle) => handle.upgrade(cx).map(Subscriber::Model),
-            WeakSubscriber::View(handle) => handle.upgrade(cx).map(Subscriber::View),
-            WeakSubscriber::Pending(_) => None,
-        }
+    pub fn telemetry(&self) -> &Arc<Telemetry> {
+        &self.telemetry
    }
 }

@@ -1384,10 +1388,11 @@ pub fn decode_worktree_url(url: &str) -> Option<(u64, String)> {
 #[cfg(test)]
 mod tests {
    use super::*;
-    use crate::test::{FakeHttpClient, FakeServer};
+    use crate::test::FakeServer;
    use gpui::{executor::Deterministic, TestAppContext};
    use parking_lot::Mutex;
    use std::future;
+    use util::http::FakeHttpClient;

    #[gpui::test(iterations = 10)]
    async fn test_reconnection(cx: &mut TestAppContext) {
@@ -1582,14 +1587,17 @@ mod tests {

        let _subscription1 = client
            .subscribe_to_entity(1)
+            .unwrap()
            .set_model(&model1, &mut cx.to_async());
        let _subscription2 = client
            .subscribe_to_entity(2)
+            .unwrap()
            .set_model(&model2, &mut cx.to_async());
        // Ensure dropping a subscription for the same entity type still allows receiving of
        // messages for other entity IDs of the same type.
        let subscription3 = client
            .subscribe_to_entity(3)
+            .unwrap()
            .set_model(&model3, &mut cx.to_async());
        drop(subscription3);

@@ -1618,11 +1626,13 @@ mod tests {
            },
        );
        drop(subscription1);
-        let _subscription2 =
-            client.add_message_handler(model, move |_, _: TypedEnvelope<proto::Ping>, _, _| {
+        let _subscription2 = client.add_message_handler(
+            model.clone(),
+            move |_, _: TypedEnvelope<proto::Ping>, _, _| {
                done_tx2.try_send(()).unwrap();
                async { Ok(()) }
-            });
+            },
+        );
        server.send(proto::Ping {});
        done_rx2.next().await.unwrap();
    }
--- a/crates/client/src/http.rs
+++ b/crates/client/src/http.rs
@@ -1,57 +0,0 @@
-pub use anyhow::{anyhow, Result};
-use futures::future::BoxFuture;
-use isahc::{
-    config::{Configurable, RedirectPolicy},
-    AsyncBody,
-};
-pub use isahc::{
-    http::{Method, Uri},
-    Error,
-};
-use smol::future::FutureExt;
-use std::{sync::Arc, time::Duration};
-pub use url::Url;
-
-pub type Request = isahc::Request<AsyncBody>;
-pub type Response = isahc::Response<AsyncBody>;
-
-pub trait HttpClient: Send + Sync {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, Error>>;
-
-    fn get<'a>(
-        &'a self,
-        uri: &str,
-        body: AsyncBody,
-        follow_redirects: bool,
-    ) -> BoxFuture<'a, Result<Response, Error>> {
-        let request = isahc::Request::builder()
-            .redirect_policy(if follow_redirects {
-                RedirectPolicy::Follow
-            } else {
-                RedirectPolicy::None
-            })
-            .method(Method::GET)
-            .uri(uri)
-            .body(body);
-        match request {
-            Ok(request) => self.send(request),
-            Err(error) => async move { Err(error.into()) }.boxed(),
-        }
-    }
-}
-
-pub fn client() -> Arc<dyn HttpClient> {
-    Arc::new(
-        isahc::HttpClient::builder()
-            .connect_timeout(Duration::from_secs(5))
-            .low_speed_timeout(100, Duration::from_secs(5))
-            .build()
-            .unwrap(),
-    )
-}
-
-impl HttpClient for isahc::HttpClient {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, Error>> {
-        Box::pin(async move { self.send_async(req).await })
-    }
-}
--- a/crates/client/src/telemetry.rs
+++ b/crates/client/src/telemetry.rs
@@ -1,11 +1,10 @@
-use crate::http::HttpClient;
+use crate::{ZED_SECRET_CLIENT_TOKEN, ZED_SERVER_URL};
 use db::kvp::KEY_VALUE_STORE;
 use gpui::{
    executor::Background,
    serde_json::{self, value::Map, Value},
    AppContext, Task,
 };
-use isahc::Request;
 use lazy_static::lazy_static;
 use parking_lot::Mutex;
 use serde::Serialize;
@@ -19,6 +18,7 @@ use std::{
    time::{Duration, SystemTime, UNIX_EPOCH},
 };
 use tempfile::NamedTempFile;
+use util::http::HttpClient;
 use util::{channel::ReleaseChannel, post_inc, ResultExt, TryFutureExt};
 use uuid::Uuid;

@@ -30,26 +30,62 @@ pub struct Telemetry {

 #[derive(Default)]
 struct TelemetryState {
-    metrics_id: Option<Arc<str>>,
-    device_id: Option<Arc<str>>,
+    metrics_id: Option<Arc<str>>,      // Per logged-in user
+    installation_id: Option<Arc<str>>, // Per app installation
    app_version: Option<Arc<str>>,
    release_channel: Option<&'static str>,
    os_version: Option<Arc<str>>,
    os_name: &'static str,
-    queue: Vec<MixpanelEvent>,
-    next_event_id: usize,
-    flush_task: Option<Task<()>>,
+    mixpanel_events_queue: Vec<MixpanelEvent>,
+    clickhouse_events_queue: Vec<ClickhouseEventWrapper>,
+    next_mixpanel_event_id: usize,
+    flush_mixpanel_events_task: Option<Task<()>>,
+    flush_clickhouse_events_task: Option<Task<()>>,
    log_file: Option<NamedTempFile>,
    is_staff: Option<bool>,
 }

 const MIXPANEL_EVENTS_URL: &'static str = "https://api.mixpanel.com/track";
 const MIXPANEL_ENGAGE_URL: &'static str = "https://api.mixpanel.com/engage#profile-set";
+const CLICKHOUSE_EVENTS_URL_PATH: &'static str = "/api/events";

 lazy_static! {
    static ref MIXPANEL_TOKEN: Option<String> = std::env::var("ZED_MIXPANEL_TOKEN")
        .ok()
        .or_else(|| option_env!("ZED_MIXPANEL_TOKEN").map(|key| key.to_string()));
+    static ref CLICKHOUSE_EVENTS_URL: String =
+        format!("{}{}", *ZED_SERVER_URL, CLICKHOUSE_EVENTS_URL_PATH);
+}
+
+#[derive(Serialize, Debug)]
+struct ClickhouseEventRequestBody {
+    token: &'static str,
+    installation_id: Option<Arc<str>>,
+    app_version: Option<Arc<str>>,
+    os_name: &'static str,
+    os_version: Option<Arc<str>>,
+    release_channel: Option<&'static str>,
+    events: Vec<ClickhouseEventWrapper>,
+}
+
+#[derive(Serialize, Debug)]
+struct ClickhouseEventWrapper {
+    time: u128,
+    signed_in: bool,
+    #[serde(flatten)]
+    event: ClickhouseEvent,
+}
+
+#[derive(Serialize, Debug)]
+#[serde(tag = "type")]
+pub enum ClickhouseEvent {
+    Editor {
+        operation: &'static str,
+        file_extension: Option<String>,
+        vim_mode: bool,
+        copilot_enabled: bool,
+        copilot_enabled_for_language: bool,
+    },
 }

 #[derive(Serialize, Debug)]
@@ -64,7 +100,8 @@ struct MixpanelEventProperties {
    #[serde(skip_serializing_if = "str::is_empty")]
    token: &'static str,
    time: u128,
-    distinct_id: Option<Arc<str>>,
+    #[serde(rename = "distinct_id")]
+    installation_id: Option<Arc<str>>,
    #[serde(rename = "$insert_id")]
    insert_id: usize,
    // Custom fields
@@ -87,7 +124,7 @@ struct MixpanelEngageRequest {
    #[serde(rename = "$token")]
    token: &'static str,
    #[serde(rename = "$distinct_id")]
-    distinct_id: Arc<str>,
+    installation_id: Arc<str>,
    #[serde(rename = "$set")]
    set: Value,
 }
@@ -120,11 +157,13 @@ impl Telemetry {
                os_name: platform.os_name().into(),
                app_version: platform.app_version().ok().map(|v| v.to_string().into()),
                release_channel,
-                device_id: None,
+                installation_id: None,
                metrics_id: None,
-                queue: Default::default(),
-                flush_task: Default::default(),
-                next_event_id: 0,
+                mixpanel_events_queue: Default::default(),
+                clickhouse_events_queue: Default::default(),
+                flush_mixpanel_events_task: Default::default(),
+                flush_clickhouse_events_task: Default::default(),
+                next_mixpanel_event_id: 0,
                log_file: None,
                is_staff: None,
            }),
@@ -155,29 +194,38 @@ impl Telemetry {
        self.executor
            .spawn(
                async move {
-                    let device_id =
-                        if let Ok(Some(device_id)) = KEY_VALUE_STORE.read_kvp("device_id") {
-                            device_id
+                    let installation_id =
+                        if let Ok(Some(installation_id)) = KEY_VALUE_STORE.read_kvp("device_id") {
+                            installation_id
                        } else {
-                            let device_id = Uuid::new_v4().to_string();
+                            let installation_id = Uuid::new_v4().to_string();
                            KEY_VALUE_STORE
-                                .write_kvp("device_id".to_string(), device_id.clone())
+                                .write_kvp("device_id".to_string(), installation_id.clone())
                                .await?;
-                            device_id
+                            installation_id
                        };

-                    let device_id: Arc<str> = device_id.into();
+                    let installation_id: Arc<str> = installation_id.into();
                    let mut state = this.state.lock();
-                    state.device_id = Some(device_id.clone());
-                    for event in &mut state.queue {
+                    state.installation_id = Some(installation_id.clone());
+
+                    for event in &mut state.mixpanel_events_queue {
                        event
                            .properties
-                            .distinct_id
-                            .get_or_insert_with(|| device_id.clone());
+                            .installation_id
+                            .get_or_insert_with(|| installation_id.clone());
                    }
-                    if !state.queue.is_empty() {
-                        drop(state);
-                        this.flush();
+
+                    let has_mixpanel_events = !state.mixpanel_events_queue.is_empty();
+                    let has_clickhouse_events = !state.clickhouse_events_queue.is_empty();
+                    drop(state);
+
+                    if has_mixpanel_events {
+                        this.flush_mixpanel_events();
+                    }
+
+                    if has_clickhouse_events {
+                        this.flush_clickhouse_events();
                    }

                    anyhow::Ok(())
@@ -201,30 +249,30 @@ impl Telemetry {

        let this = self.clone();
        let mut state = self.state.lock();
-        let device_id = state.device_id.clone();
+        let installation_id = state.installation_id.clone();
        let metrics_id: Option<Arc<str>> = metrics_id.map(|id| id.into());
        state.metrics_id = metrics_id.clone();
        state.is_staff = Some(is_staff);
        drop(state);

-        if let Some((token, device_id)) = MIXPANEL_TOKEN.as_ref().zip(device_id) {
+        if let Some((token, installation_id)) = MIXPANEL_TOKEN.as_ref().zip(installation_id) {
            self.executor
                .spawn(
                    async move {
                        let json_bytes = serde_json::to_vec(&[MixpanelEngageRequest {
                            token,
-                            distinct_id: device_id,
+                            installation_id,
                            set: json!({
                                "Staff": is_staff,
                                "ID": metrics_id,
                                "App": true
                            }),
                        }])?;
-                        let request = Request::post(MIXPANEL_ENGAGE_URL)
-                            .header("Content-Type", "application/json")
-                            .body(json_bytes.into())?;
-                        this.http_client.send(request).await?;
-                        Ok(())
+
+                        this.http_client
+                            .post_json(MIXPANEL_ENGAGE_URL, json_bytes.into())
+                            .await?;
+                        anyhow::Ok(())
                    }
                    .log_err(),
                )
@@ -232,7 +280,42 @@ impl Telemetry {
        }
    }

-    pub fn report_event(
+    pub fn report_clickhouse_event(
+        self: &Arc<Self>,
+        event: ClickhouseEvent,
+        telemetry_settings: TelemetrySettings,
+    ) {
+        if !telemetry_settings.metrics() {
+            return;
+        }
+
+        let mut state = self.state.lock();
+        let signed_in = state.metrics_id.is_some();
+        state.clickhouse_events_queue.push(ClickhouseEventWrapper {
+            time: SystemTime::now()
+                .duration_since(UNIX_EPOCH)
+                .unwrap()
+                .as_millis(),
+            signed_in,
+            event,
+        });
+
+        if state.installation_id.is_some() {
+            if state.mixpanel_events_queue.len() >= MAX_QUEUE_LEN {
+                drop(state);
+                self.flush_clickhouse_events();
+            } else {
+                let this = self.clone();
+                let executor = self.executor.clone();
+                state.flush_clickhouse_events_task = Some(self.executor.spawn(async move {
+                    executor.timer(DEBOUNCE_INTERVAL).await;
+                    this.flush_clickhouse_events();
+                }));
+            }
+        }
+    }
+
+    pub fn report_mixpanel_event(
        self: &Arc<Self>,
        kind: &str,
        properties: Value,
@@ -244,15 +327,15 @@ impl Telemetry {

        let mut state = self.state.lock();
        let event = MixpanelEvent {
-            event: kind.to_string(),
+            event: kind.into(),
            properties: MixpanelEventProperties {
                token: "",
                time: SystemTime::now()
                    .duration_since(UNIX_EPOCH)
                    .unwrap()
                    .as_millis(),
-                distinct_id: state.device_id.clone(),
-                insert_id: post_inc(&mut state.next_event_id),
+                installation_id: state.installation_id.clone(),
+                insert_id: post_inc(&mut state.next_mixpanel_event_id),
                event_properties: if let Value::Object(properties) = properties {
                    Some(properties)
                } else {
@@ -265,17 +348,17 @@ impl Telemetry {
                signed_in: state.metrics_id.is_some(),
            },
        };
-        state.queue.push(event);
-        if state.device_id.is_some() {
-            if state.queue.len() >= MAX_QUEUE_LEN {
+        state.mixpanel_events_queue.push(event);
+        if state.installation_id.is_some() {
+            if state.mixpanel_events_queue.len() >= MAX_QUEUE_LEN {
                drop(state);
-                self.flush();
+                self.flush_mixpanel_events();
            } else {
                let this = self.clone();
                let executor = self.executor.clone();
-                state.flush_task = Some(self.executor.spawn(async move {
+                state.flush_mixpanel_events_task = Some(self.executor.spawn(async move {
                    executor.timer(DEBOUNCE_INTERVAL).await;
-                    this.flush();
+                    this.flush_mixpanel_events();
                }));
            }
        }
@@ -285,14 +368,18 @@ impl Telemetry {
        self.state.lock().metrics_id.clone()
    }

+    pub fn installation_id(self: &Arc<Self>) -> Option<Arc<str>> {
+        self.state.lock().installation_id.clone()
+    }
+
    pub fn is_staff(self: &Arc<Self>) -> Option<bool> {
        self.state.lock().is_staff
    }

-    fn flush(self: &Arc<Self>) {
+    fn flush_mixpanel_events(self: &Arc<Self>) {
        let mut state = self.state.lock();
-        let mut events = mem::take(&mut state.queue);
-        state.flush_task.take();
+        let mut events = mem::take(&mut state.mixpanel_events_queue);
+        state.flush_mixpanel_events_task.take();
        drop(state);

        if let Some(token) = MIXPANEL_TOKEN.as_ref() {
@@ -316,15 +403,63 @@ impl Telemetry {

                        json_bytes.clear();
                        serde_json::to_writer(&mut json_bytes, &events)?;
-                        let request = Request::post(MIXPANEL_EVENTS_URL)
-                            .header("Content-Type", "application/json")
-                            .body(json_bytes.into())?;
-                        this.http_client.send(request).await?;
-                        Ok(())
+                        this.http_client
+                            .post_json(MIXPANEL_EVENTS_URL, json_bytes.into())
+                            .await?;
+                        anyhow::Ok(())
                    }
                    .log_err(),
                )
                .detach();
        }
    }
+
+    fn flush_clickhouse_events(self: &Arc<Self>) {
+        let mut state = self.state.lock();
+        let mut events = mem::take(&mut state.clickhouse_events_queue);
+        state.flush_clickhouse_events_task.take();
+        drop(state);
+
+        let this = self.clone();
+        self.executor
+            .spawn(
+                async move {
+                    let mut json_bytes = Vec::new();
+
+                    if let Some(file) = &mut this.state.lock().log_file {
+                        let file = file.as_file_mut();
+                        for event in &mut events {
+                            json_bytes.clear();
+                            serde_json::to_writer(&mut json_bytes, event)?;
+                            file.write_all(&json_bytes)?;
+                            file.write(b"\n")?;
+                        }
+                    }
+
+                    {
+                        let state = this.state.lock();
+                        json_bytes.clear();
+                        serde_json::to_writer(
+                            &mut json_bytes,
+                            &ClickhouseEventRequestBody {
+                                token: ZED_SECRET_CLIENT_TOKEN,
+                                installation_id: state.installation_id.clone(),
+                                app_version: state.app_version.clone(),
+                                os_name: state.os_name,
+                                os_version: state.os_version.clone(),
+                                release_channel: state.release_channel,
+                                events,
+                            },
+                        )?;
+                    }
+
+                    this.http_client
+                        .post_json(CLICKHOUSE_EVENTS_URL.as_str(), json_bytes.into())
+                        .await?;
+                    anyhow::Ok(())
+                }
+                .log_err(),
+            )
+            .detach();
+    }
 }
--- a/crates/client/src/test.rs
+++ b/crates/client/src/test.rs
@@ -1,16 +1,14 @@
-use crate::{
-    http::{self, HttpClient, Request, Response},
-    Client, Connection, Credentials, EstablishConnectionError, UserStore,
-};
+use crate::{Client, Connection, Credentials, EstablishConnectionError, UserStore};
 use anyhow::{anyhow, Result};
-use futures::{future::BoxFuture, stream::BoxStream, Future, StreamExt};
+use futures::{stream::BoxStream, StreamExt};
 use gpui::{executor, ModelHandle, TestAppContext};
 use parking_lot::Mutex;
 use rpc::{
    proto::{self, GetPrivateUserInfo, GetPrivateUserInfoResponse},
    ConnectionId, Peer, Receipt, TypedEnvelope,
 };
-use std::{fmt, rc::Rc, sync::Arc};
+use std::{rc::Rc, sync::Arc};
+use util::http::FakeHttpClient;

 pub struct FakeServer {
    peer: Arc<Peer>,
@@ -219,46 +217,3 @@ impl Drop for FakeServer {
        self.disconnect();
    }
 }
-
-pub struct FakeHttpClient {
-    handler: Box<
-        dyn 'static
-            + Send
-            + Sync
-            + Fn(Request) -> BoxFuture<'static, Result<Response, http::Error>>,
-    >,
-}
-
-impl FakeHttpClient {
-    pub fn create<Fut, F>(handler: F) -> Arc<dyn HttpClient>
-    where
-        Fut: 'static + Send + Future<Output = Result<Response, http::Error>>,
-        F: 'static + Send + Sync + Fn(Request) -> Fut,
-    {
-        Arc::new(Self {
-            handler: Box::new(move |req| Box::pin(handler(req))),
-        })
-    }
-
-    pub fn with_404_response() -> Arc<dyn HttpClient> {
-        Self::create(|_| async move {
-            Ok(isahc::Response::builder()
-                .status(404)
-                .body(Default::default())
-                .unwrap())
-        })
-    }
-}
-
-impl fmt::Debug for FakeHttpClient {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("FakeHttpClient").finish()
-    }
-}
-
-impl HttpClient for FakeHttpClient {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, crate::http::Error>> {
-        let future = (self.handler)(req);
-        Box::pin(async move { future.await.map(Into::into) })
-    }
-}
--- a/crates/client/src/user.rs
+++ b/crates/client/src/user.rs
@@ -1,4 +1,4 @@
-use super::{http::HttpClient, proto, Client, Status, TypedEnvelope};
+use super::{proto, Client, Status, TypedEnvelope};
 use anyhow::{anyhow, Context, Result};
 use collections::{hash_map::Entry, HashMap, HashSet};
 use futures::{channel::mpsc, future, AsyncReadExt, Future, StreamExt};
@@ -6,8 +6,10 @@ use gpui::{AsyncAppContext, Entity, ImageData, ModelContext, ModelHandle, Task};
 use postage::{sink::Sink, watch};
 use rpc::proto::{RequestMessage, UsersResponse};
 use settings::Settings;
+use staff_mode::StaffMode;
 use std::sync::{Arc, Weak};
-use util::{StaffMode, TryFutureExt as _};
+use util::http::HttpClient;
+use util::TryFutureExt as _;

 #[derive(Default, Debug)]
 pub struct User {
@@ -183,6 +185,11 @@ impl UserStore {
        }
    }

+    #[cfg(feature = "test-support")]
+    pub fn clear_cache(&mut self) {
+        self.users.clear();
+    }
+
    async fn handle_update_invite_info(
        this: ModelHandle<Self>,
        message: TypedEnvelope<proto::UpdateInviteInfo>,
--- a/crates/clock/Cargo.toml
+++ b/crates/clock/Cargo.toml
@@ -9,4 +9,4 @@ path = "src/clock.rs"
 doctest = false

 [dependencies]
-smallvec = { version = "1.6", features = ["union"] }
+smallvec.workspace = true
--- a/crates/collab/.env.toml
+++ b/crates/collab/.env.toml
@@ -1,4 +1,5 @@
 DATABASE_URL = "postgres://postgres@localhost/zed"
+DATABASE_MAX_CONNECTIONS = 5
 HTTP_PORT = 8080
 API_TOKEN = "secret"
 INVITE_LINK_PREFIX = "http://localhost:3000/invites/"
--- a/crates/collab/Cargo.toml
+++ b/crates/collab/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Nathan Sobo <nathan@zed.dev>"]
 default-run = "collab"
 edition = "2021"
 name = "collab"
-version = "0.5.4"
+version = "0.12.0"
 publish = false

 [[bin]]
@@ -19,7 +19,7 @@ live_kit_server = { path = "../live_kit_server" }
 rpc = { path = "../rpc" }
 util = { path = "../util" }

-anyhow = "1.0.40"
+anyhow.workspace = true
 async-tungstenite = "0.16"
 axum = { version = "0.5", features = ["json", "headers", "ws"] }
 axum-extra = { version = "0.3", features = ["erased-json"] }
@@ -27,24 +27,26 @@ base64 = "0.13"
 clap = { version = "3.1", features = ["derive"], optional = true }
 dashmap = "5.4"
 envy = "0.4.2"
-futures = "0.3"
+futures.workspace = true
 hyper = "0.14"
-lazy_static = "1.4"
+lazy_static.workspace = true
 lipsum = { version = "0.8", optional = true }
+log.workspace = true
 nanoid = "0.4"
-parking_lot = "0.11.1"
+parking_lot.workspace = true
 prometheus = "0.13"
-rand = "0.8"
+rand.workspace = true
 reqwest = { version = "0.11", features = ["json"], optional = true }
 scrypt = "0.7"
 # Remove fork dependency when a version with https://github.com/SeaQL/sea-orm/pull/1283 is released.
 sea-orm = { git = "https://github.com/zed-industries/sea-orm", rev = "18f4c691085712ad014a51792af75a9044bacee6", features = ["sqlx-postgres", "postgres-array", "runtime-tokio-rustls"] }
 sea-query = "0.27"
-serde = { version = "1.0", features = ["derive", "rc"] }
-serde_json = "1.0"
+serde.workspace = true
+serde_derive.workspace = true
+serde_json.workspace = true
 sha-1 = "0.9"
 sqlx = { version = "0.6", features = ["runtime-tokio-rustls", "postgres", "json", "time", "uuid", "any"] }
-time = { version = "0.3", features = ["serde", "serde-well-known"] }
+time.workspace = true
 tokio = { version = "1", features = ["full"] }
 tokio-tungstenite = "0.17"
 tonic = "0.6"
@@ -72,15 +74,15 @@ settings = { path = "../settings", features = ["test-support"] }
 theme = { path = "../theme" }
 workspace = { path = "../workspace", features = ["test-support"] }

-ctor = "0.1"
-env_logger = "0.9"
-log = { version = "0.4.16", features = ["kv_unstable_serde"] }
+ctor.workspace = true
+env_logger.workspace = true
+indoc = "1.0.4"
 util = { path = "../util" }
-lazy_static = "1.4"
+lazy_static.workspace = true
 sea-orm = { git = "https://github.com/zed-industries/sea-orm", rev = "18f4c691085712ad014a51792af75a9044bacee6", features = ["sqlx-sqlite"] }
-serde_json = { version = "1.0", features = ["preserve_order"] }
+serde_json.workspace = true
 sqlx = { version = "0.6", features = ["sqlite"] }
-unindent = "0.1"
+unindent.workspace = true

 [features]
 seed-support = ["clap", "lipsum", "reqwest"]
--- a/crates/collab/k8s/environments/preview.sh
+++ b/crates/collab/k8s/environments/preview.sh
@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=preview
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=10
--- a/crates/collab/k8s/environments/production.sh
+++ b/crates/collab/k8s/environments/production.sh
@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=production
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=85
--- a/crates/collab/k8s/environments/staging.sh
+++ b/crates/collab/k8s/environments/staging.sh
@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=staging
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://staging.zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=5
--- a/crates/collab/k8s/manifest.template.yml
+++ b/crates/collab/k8s/manifest.template.yml
@@ -59,6 +59,13 @@ spec:
          ports:
            - containerPort: 8080
              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /
@@ -73,6 +80,8 @@ spec:
                secretKeyRef:
                  name: database
                  key: url
+            - name: DATABASE_MAX_CONNECTIONS
+              value: "${DATABASE_MAX_CONNECTIONS}"
            - name: API_TOKEN
              valueFrom:
                secretKeyRef:
--- a/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
+++ b/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
@@ -82,6 +82,20 @@ CREATE TABLE "worktree_entries" (
 CREATE INDEX "index_worktree_entries_on_project_id" ON "worktree_entries" ("project_id");
 CREATE INDEX "index_worktree_entries_on_project_id_and_worktree_id" ON "worktree_entries" ("project_id", "worktree_id");

+CREATE TABLE "worktree_repositories" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INTEGER NOT NULL,
+    "work_directory_id" INTEGER NOT NULL,
+    "scan_id" INTEGER NOT NULL,
+    "branch" VARCHAR,
+    "is_deleted" BOOL NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, work_directory_id),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE,
+    FOREIGN KEY(project_id, worktree_id, work_directory_id) REFERENCES worktree_entries (project_id, worktree_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_repositories_on_project_id" ON "worktree_repositories" ("project_id");
+CREATE INDEX "index_worktree_repositories_on_project_id_and_worktree_id" ON "worktree_repositories" ("project_id", "worktree_id");
+
 CREATE TABLE "worktree_diagnostic_summaries" (
    "project_id" INTEGER NOT NULL,
    "worktree_id" INTEGER NOT NULL,
@@ -153,7 +167,7 @@ CREATE TABLE "followers" (
    "follower_connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
    "follower_connection_id" INTEGER NOT NULL
 );
-CREATE UNIQUE INDEX 
+CREATE UNIQUE INDEX
    "index_followers_on_project_id_and_leader_connection_server_id_and_leader_connection_id_and_follower_connection_server_id_and_follower_connection_id"
 ON "followers" ("project_id", "leader_connection_server_id", "leader_connection_id", "follower_connection_server_id", "follower_connection_id");
 CREATE INDEX "index_followers_on_room_id" ON "followers" ("room_id");
--- a/crates/collab/migrations/20230508211523_add-repository-entries.sql
+++ b/crates/collab/migrations/20230508211523_add-repository-entries.sql
@@ -0,0 +1,13 @@
+CREATE TABLE "worktree_repositories" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INT8 NOT NULL,
+    "work_directory_id" INT8 NOT NULL,
+    "scan_id" INT8 NOT NULL,
+    "branch" VARCHAR,
+    "is_deleted" BOOL NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, work_directory_id),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE,
+    FOREIGN KEY(project_id, worktree_id, work_directory_id) REFERENCES worktree_entries (project_id, worktree_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_repositories_on_project_id" ON "worktree_repositories" ("project_id");
+CREATE INDEX "index_worktree_repositories_on_project_id_and_worktree_id" ON "worktree_repositories" ("project_id", "worktree_id");
--- a/crates/collab/src/api.rs
+++ b/crates/collab/src/api.rs
@@ -78,6 +78,7 @@ pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoR
 struct AuthenticatedUserParams {
    github_user_id: Option<i32>,
    github_login: String,
+    github_email: Option<String>,
 }

 #[derive(Debug, Serialize)]
@@ -92,7 +93,11 @@ async fn get_authenticated_user(
 ) -> Result<Json<AuthenticatedUserResponse>> {
    let user = app
        .db
-        .get_user_by_github_account(&params.github_login, params.github_user_id)
+        .get_or_create_user_by_github_account(
+            &params.github_login,
+            params.github_user_id,
+            params.github_email.as_deref(),
+        )
        .await?
        .ok_or_else(|| Error::Http(StatusCode::NOT_FOUND, "user not found".into()))?;
    let metrics_id = app.db.get_user_metrics_id(user.id).await?;
@@ -297,11 +302,7 @@ async fn create_access_token(
    let mut user_id = user.id;
    if let Some(impersonate) = params.impersonate {
        if user.admin {
-            if let Some(impersonated_user) = app
-                .db
-                .get_user_by_github_account(&impersonate, None)
-                .await?
-            {
+            if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
                user_id = impersonated_user.id;
            } else {
                return Err(Error::Http(
--- a/crates/collab/src/auth.rs
+++ b/crates/collab/src/auth.rs
@@ -1,5 +1,5 @@
 use crate::{
-    db::{self, UserId},
+    db::{self, AccessTokenId, Database, UserId},
    AppState, Error, Result,
 };
 use anyhow::{anyhow, Context};
@@ -8,12 +8,24 @@ use axum::{
    middleware::Next,
    response::IntoResponse,
 };
+use lazy_static::lazy_static;
+use prometheus::{exponential_buckets, register_histogram, Histogram};
 use rand::thread_rng;
 use scrypt::{
    password_hash::{PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
    Scrypt,
 };
-use std::sync::Arc;
+use serde::{Deserialize, Serialize};
+use std::{sync::Arc, time::Instant};
+
+lazy_static! {
+    static ref METRIC_ACCESS_TOKEN_HASHING_TIME: Histogram = register_histogram!(
+        "access_token_hashing_time",
+        "time spent hashing access tokens",
+        exponential_buckets(10.0, 2.0, 10).unwrap(),
+    )
+    .unwrap();
+}

 pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl IntoResponse {
    let mut auth_header = req
@@ -42,20 +54,14 @@ pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl Into
        )
    })?;

-    let mut credentials_valid = false;
    let state = req.extensions().get::<Arc<AppState>>().unwrap();
-    if let Some(admin_token) = access_token.strip_prefix("ADMIN_TOKEN:") {
-        if state.config.api_token == admin_token {
-            credentials_valid = true;
-        }
+    let credentials_valid = if let Some(admin_token) = access_token.strip_prefix("ADMIN_TOKEN:") {
+        state.config.api_token == admin_token
    } else {
-        for password_hash in state.db.get_access_token_hashes(user_id).await? {
-            if verify_access_token(access_token, &password_hash)? {
-                credentials_valid = true;
-                break;
-            }
-        }
-    }
+        verify_access_token(&access_token, user_id, &state.db)
+            .await
+            .unwrap_or(false)
+    };

    if credentials_valid {
        let user = state
@@ -75,13 +81,26 @@ pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl Into

 const MAX_ACCESS_TOKENS_TO_STORE: usize = 8;

+#[derive(Serialize, Deserialize)]
+struct AccessTokenJson {
+    version: usize,
+    id: AccessTokenId,
+    token: String,
+}
+
 pub async fn create_access_token(db: &db::Database, user_id: UserId) -> Result<String> {
+    const VERSION: usize = 1;
    let access_token = rpc::auth::random_token();
    let access_token_hash =
        hash_access_token(&access_token).context("failed to hash access token")?;
-    db.create_access_token_hash(user_id, &access_token_hash, MAX_ACCESS_TOKENS_TO_STORE)
+    let id = db
+        .create_access_token(user_id, &access_token_hash, MAX_ACCESS_TOKENS_TO_STORE)
        .await?;
-    Ok(access_token)
+    Ok(serde_json::to_string(&AccessTokenJson {
+        version: VERSION,
+        id,
+        token: access_token,
+    })?)
 }

 fn hash_access_token(token: &str) -> Result<String> {
@@ -89,7 +108,7 @@ fn hash_access_token(token: &str) -> Result<String> {
    let params = if cfg!(debug_assertions) {
        scrypt::Params::new(1, 1, 1).unwrap()
    } else {
-        scrypt::Params::recommended()
+        scrypt::Params::new(14, 8, 1).unwrap()
    };

    Ok(Scrypt
@@ -112,7 +131,21 @@ pub fn encrypt_access_token(access_token: &str, public_key: String) -> Result<St
    Ok(encrypted_access_token)
 }

-pub fn verify_access_token(token: &str, hash: &str) -> Result<bool> {
-    let hash = PasswordHash::new(hash).map_err(anyhow::Error::new)?;
-    Ok(Scrypt.verify_password(token.as_bytes(), &hash).is_ok())
+pub async fn verify_access_token(token: &str, user_id: UserId, db: &Arc<Database>) -> Result<bool> {
+    let token: AccessTokenJson = serde_json::from_str(&token)?;
+
+    let db_token = db.get_access_token(token.id).await?;
+    if db_token.user_id != user_id {
+        return Err(anyhow!("no such access token"))?;
+    }
+
+    let db_hash = PasswordHash::new(&db_token.hash).map_err(anyhow::Error::new)?;
+    let t0 = Instant::now();
+    let is_valid = Scrypt
+        .verify_password(token.token.as_bytes(), &db_hash)
+        .is_ok();
+    let duration = t0.elapsed();
+    log::info!("hashed access token in {:?}", duration);
+    METRIC_ACCESS_TOKEN_HASHING_TIME.observe(duration.as_millis() as f64);
+    Ok(is_valid)
 }
--- a/crates/collab/src/bin/seed.rs
+++ b/crates/collab/src/bin/seed.rs
@@ -1,4 +1,4 @@
-use collab::db;
+use collab::{db, executor::Executor};
 use db::{ConnectOptions, Database};
 use serde::{de::DeserializeOwned, Deserialize};
 use std::fmt::Write;
@@ -13,7 +13,7 @@ struct GitHubUser {
 #[tokio::main]
 async fn main() {
    let database_url = std::env::var("DATABASE_URL").expect("missing DATABASE_URL env var");
-    let db = Database::new(ConnectOptions::new(database_url))
+    let db = Database::new(ConnectOptions::new(database_url), Executor::Production)
        .await
        .expect("failed to connect to postgres database");
    let github_token = std::env::var("GITHUB_TOKEN").expect("missing GITHUB_TOKEN env var");
@@ -59,7 +59,7 @@ async fn main() {

    for (github_user, admin) in zed_users {
        if db
-            .get_user_by_github_account(&github_user.login, Some(github_user.id))
+            .get_user_by_github_login(&github_user.login)
            .await
            .expect("failed to fetch user")
            .is_none()
--- a/crates/collab/src/db.rs
+++ b/crates/collab/src/db.rs
--- a/crates/collab/src/db/tests.rs
+++ b/crates/collab/src/db/tests.rs
@@ -92,8 +92,8 @@ test_both_dbs!(
 );

 test_both_dbs!(
-    test_get_user_by_github_account_postgres,
-    test_get_user_by_github_account_sqlite,
+    test_get_or_create_user_by_github_account_postgres,
+    test_get_or_create_user_by_github_account_sqlite,
    db,
    {
        let user_id1 = db
@@ -124,7 +124,7 @@ test_both_dbs!(
            .user_id;

        let user = db
-            .get_user_by_github_account("login1", None)
+            .get_or_create_user_by_github_account("login1", None, None)
            .await
            .unwrap()
            .unwrap();
@@ -133,19 +133,28 @@ test_both_dbs!(
        assert_eq!(user.github_user_id, Some(101));

        assert!(db
-            .get_user_by_github_account("non-existent-login", None)
+            .get_or_create_user_by_github_account("non-existent-login", None, None)
            .await
            .unwrap()
            .is_none());

        let user = db
-            .get_user_by_github_account("the-new-login2", Some(102))
+            .get_or_create_user_by_github_account("the-new-login2", Some(102), None)
            .await
            .unwrap()
            .unwrap();
        assert_eq!(user.id, user_id2);
        assert_eq!(&user.github_login, "the-new-login2");
        assert_eq!(user.github_user_id, Some(102));
+
+        let user = db
+            .get_or_create_user_by_github_account("login3", Some(103), Some("user3@example.com"))
+            .await
+            .unwrap()
+            .unwrap();
+        assert_eq!(&user.github_login, "login3");
+        assert_eq!(user.github_user_id, Some(103));
+        assert_eq!(user.email_address, Some("user3@example.com".into()));
    }
 );

@@ -168,30 +177,63 @@ test_both_dbs!(
            .unwrap()
            .user_id;

-        db.create_access_token_hash(user, "h1", 3).await.unwrap();
-        db.create_access_token_hash(user, "h2", 3).await.unwrap();
+        let token_1 = db.create_access_token(user, "h1", 2).await.unwrap();
+        let token_2 = db.create_access_token(user, "h2", 2).await.unwrap();
        assert_eq!(
-            db.get_access_token_hashes(user).await.unwrap(),
-            &["h2".to_string(), "h1".to_string()]
+            db.get_access_token(token_1).await.unwrap(),
+            access_token::Model {
+                id: token_1,
+                user_id: user,
+                hash: "h1".into(),
+            }
+        );
+        assert_eq!(
+            db.get_access_token(token_2).await.unwrap(),
+            access_token::Model {
+                id: token_2,
+                user_id: user,
+                hash: "h2".into()
+            }
        );

-        db.create_access_token_hash(user, "h3", 3).await.unwrap();
+        let token_3 = db.create_access_token(user, "h3", 2).await.unwrap();
        assert_eq!(
-            db.get_access_token_hashes(user).await.unwrap(),
-            &["h3".to_string(), "h2".to_string(), "h1".to_string(),]
+            db.get_access_token(token_3).await.unwrap(),
+            access_token::Model {
+                id: token_3,
+                user_id: user,
+                hash: "h3".into()
+            }
        );
+        assert_eq!(
+            db.get_access_token(token_2).await.unwrap(),
+            access_token::Model {
+                id: token_2,
+                user_id: user,
+                hash: "h2".into()
+            }
+        );
+        assert!(db.get_access_token(token_1).await.is_err());

-        db.create_access_token_hash(user, "h4", 3).await.unwrap();
+        let token_4 = db.create_access_token(user, "h4", 2).await.unwrap();
        assert_eq!(
-            db.get_access_token_hashes(user).await.unwrap(),
-            &["h4".to_string(), "h3".to_string(), "h2".to_string(),]
+            db.get_access_token(token_4).await.unwrap(),
+            access_token::Model {
+                id: token_4,
+                user_id: user,
+                hash: "h4".into()
+            }
        );
-
-        db.create_access_token_hash(user, "h5", 3).await.unwrap();
        assert_eq!(
-            db.get_access_token_hashes(user).await.unwrap(),
-            &["h5".to_string(), "h4".to_string(), "h3".to_string()]
+            db.get_access_token(token_3).await.unwrap(),
+            access_token::Model {
+                id: token_3,
+                user_id: user,
+                hash: "h3".into()
+            }
        );
+        assert!(db.get_access_token(token_2).await.is_err());
+        assert!(db.get_access_token(token_1).await.is_err());
    }
 );

--- a/crates/collab/src/db/worktree_repository.rs
+++ b/crates/collab/src/db/worktree_repository.rs
@@ -0,0 +1,21 @@
+use super::ProjectId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "worktree_repositories")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub project_id: ProjectId,
+    #[sea_orm(primary_key)]
+    pub worktree_id: i64,
+    #[sea_orm(primary_key)]
+    pub work_directory_id: i64,
+    pub scan_id: i64,
+    pub branch: Option<String>,
+    pub is_deleted: bool,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}
--- a/crates/collab/src/lib.rs
+++ b/crates/collab/src/lib.rs
@@ -10,6 +10,7 @@ mod tests;

 use axum::{http::StatusCode, response::IntoResponse};
 use db::Database;
+use executor::Executor;
 use serde::Deserialize;
 use std::{path::PathBuf, sync::Arc};

@@ -91,6 +92,7 @@ impl std::error::Error for Error {}
 pub struct Config {
    pub http_port: u16,
    pub database_url: String,
+    pub database_max_connections: u32,
    pub api_token: String,
    pub invite_link_prefix: String,
    pub live_kit_server: Option<String>,
@@ -116,8 +118,8 @@ pub struct AppState {
 impl AppState {
    pub async fn new(config: Config) -> Result<Arc<Self>> {
        let mut db_options = db::ConnectOptions::new(config.database_url.clone());
-        db_options.max_connections(5);
-        let db = Database::new(db_options).await?;
+        db_options.max_connections(config.database_max_connections);
+        let db = Database::new(db_options, Executor::Production).await?;
        let live_kit_client = if let Some(((server, key), secret)) = config
            .live_kit_server
            .as_ref()
--- a/crates/collab/src/main.rs
+++ b/crates/collab/src/main.rs
@@ -1,11 +1,12 @@
 use anyhow::anyhow;
-use axum::{routing::get, Router};
+use axum::{routing::get, Extension, Router};
 use collab::{db, env, executor::Executor, AppState, Config, MigrateConfig, Result};
 use db::Database;
 use std::{
    env::args,
    net::{SocketAddr, TcpListener},
    path::Path,
+    sync::Arc,
 };
 use tokio::signal::unix::SignalKind;
 use tracing_log::LogTracer;
@@ -31,7 +32,7 @@ async fn main() -> Result<()> {
            let config = envy::from_env::<MigrateConfig>().expect("error loading config");
            let mut db_options = db::ConnectOptions::new(config.database_url.clone());
            db_options.max_connections(5);
-            let db = Database::new(db_options).await?;
+            let db = Database::new(db_options, Executor::Production).await?;

            let migrations_path = config
                .migrations_path
@@ -66,7 +67,12 @@ async fn main() -> Result<()> {

            let app = collab::api::routes(rpc_server.clone(), state.clone())
                .merge(collab::rpc::routes(rpc_server.clone()))
-                .merge(Router::new().route("/", get(handle_root)));
+                .merge(
+                    Router::new()
+                        .route("/", get(handle_root))
+                        .route("/healthz", get(handle_liveness_probe))
+                        .layer(Extension(state.clone())),
+                );

            axum::Server::from_tcp(listener)?
                .serve(app.into_make_service_with_connect_info::<SocketAddr>())
@@ -95,6 +101,11 @@ async fn handle_root() -> String {
    format!("collab v{VERSION}")
 }

+async fn handle_liveness_probe(Extension(state): Extension<Arc<AppState>>) -> Result<String> {
+    state.db.get_all_users(0, 1).await?;
+    Ok("ok".to_string())
+}
+
 pub fn init_tracing(config: &Config) -> Option<()> {
    use std::str::FromStr;
    use tracing_subscriber::layer::SubscriberExt;
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -53,11 +53,11 @@ use std::{
    },
    time::Duration,
 };
-use tokio::sync::watch;
+use tokio::sync::{watch, Semaphore};
 use tower::ServiceBuilder;
 use tracing::{info_span, instrument, Instrument};

-pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(5);
+pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
 pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(10);

 lazy_static! {
@@ -186,7 +186,7 @@ impl Server {
            .add_request_handler(create_room)
            .add_request_handler(join_room)
            .add_request_handler(rejoin_room)
-            .add_message_handler(leave_room)
+            .add_request_handler(leave_room)
            .add_request_handler(call)
            .add_request_handler(cancel_call)
            .add_message_handler(decline_call)
@@ -228,7 +228,7 @@ impl Server {
            .add_message_handler(update_buffer_file)
            .add_message_handler(buffer_reloaded)
            .add_message_handler(buffer_saved)
-            .add_request_handler(save_buffer)
+            .add_request_handler(forward_project_request::<proto::SaveBuffer>)
            .add_request_handler(get_users)
            .add_request_handler(fuzzy_search_users)
            .add_request_handler(request_contact)
@@ -270,8 +270,11 @@ impl Server {
                        let mut live_kit_room = String::new();
                        let mut delete_live_kit_room = false;

-                        if let Ok(mut refreshed_room) =
-                            app_state.db.refresh_room(room_id, server_id).await
+                        if let Some(mut refreshed_room) = app_state
+                            .db
+                            .refresh_room(room_id, server_id)
+                            .await
+                            .trace_err()
                        {
                            tracing::info!(
                                room_id = room_id.0,
@@ -539,8 +542,13 @@ impl Server {
            // This arrangement ensures we will attempt to process earlier messages first, but fall
            // back to processing messages arrived later in the spirit of making progress.
            let mut foreground_message_handlers = FuturesUnordered::new();
+            let concurrent_handlers = Arc::new(Semaphore::new(256));
            loop {
-                let next_message = incoming_rx.next().fuse();
+                let next_message = async {
+                    let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
+                    let message = incoming_rx.next().await;
+                    (permit, message)
+                }.fuse();
                futures::pin_mut!(next_message);
                futures::select_biased! {
                    _ = teardown.changed().fuse() => return Ok(()),
@@ -551,7 +559,8 @@ impl Server {
                        break;
                    }
                    _ = foreground_message_handlers.next() => {}
-                    message = next_message => {
+                    next_message = next_message => {
+                        let (permit, message) = next_message;
                        if let Some(message) = message {
                            let type_name = message.payload_type_name();
                            let span = tracing::info_span!("receive message", %user_id, %login, %connection_id, %address, type_name);
@@ -561,7 +570,10 @@ impl Server {
                                let handle_message = (handler)(message, session.clone());
                                drop(span_enter);

-                                let handle_message = handle_message.instrument(span);
+                                let handle_message = async move {
+                                    handle_message.await;
+                                    drop(permit);
+                                }.instrument(span);
                                if is_background {
                                    executor.spawn_detached(handle_message);
                                } else {
@@ -1051,6 +1063,8 @@ async fn rejoin_room(
                    removed_entries: worktree.removed_entries,
                    scan_id: worktree.scan_id,
                    is_last_update: worktree.completed_scan_id == worktree.scan_id,
+                    updated_repositories: worktree.updated_repositories,
+                    removed_repositories: worktree.removed_repositories,
                };
                for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
                    session.peer.send(session.connection_id, update.clone())?;
@@ -1090,8 +1104,14 @@ async fn rejoin_room(
    Ok(())
 }

-async fn leave_room(_message: proto::LeaveRoom, session: Session) -> Result<()> {
-    leave_room_for_session(&session).await
+async fn leave_room(
+    _: proto::LeaveRoom,
+    response: Response<proto::LeaveRoom>,
+    session: Session,
+) -> Result<()> {
+    leave_room_for_session(&session).await?;
+    response.send(proto::Ack {})?;
+    Ok(())
 }

 async fn call(
@@ -1365,6 +1385,8 @@ async fn join_project(
            removed_entries: Default::default(),
            scan_id: worktree.scan_id,
            is_last_update: worktree.scan_id == worktree.completed_scan_id,
+            updated_repositories: worktree.repository_entries,
+            removed_repositories: Default::default(),
        };
        for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
            session.peer.send(session.connection_id, update.clone())?;
@@ -1405,7 +1427,7 @@ async fn leave_project(request: proto::LeaveProject, session: Session) -> Result
    let sender_id = session.connection_id;
    let project_id = ProjectId::from_proto(request.project_id);

-    let project = session
+    let (room, project) = &*session
        .db()
        .await
        .leave_project(project_id, sender_id)
@@ -1416,7 +1438,9 @@ async fn leave_project(request: proto::LeaveProject, session: Session) -> Result
        host_connection_id = %project.host_connection_id,
        "leave project"
    );
+
    project_left(&project, &session);
+    room_updated(&room, &session.peer);

    Ok(())
 }
@@ -1571,51 +1595,6 @@ where
    Ok(())
 }

-async fn save_buffer(
-    request: proto::SaveBuffer,
-    response: Response<proto::SaveBuffer>,
-    session: Session,
-) -> Result<()> {
-    let project_id = ProjectId::from_proto(request.project_id);
-    let host_connection_id = {
-        let collaborators = session
-            .db()
-            .await
-            .project_collaborators(project_id, session.connection_id)
-            .await?;
-        collaborators
-            .iter()
-            .find(|collaborator| collaborator.is_host)
-            .ok_or_else(|| anyhow!("host not found"))?
-            .connection_id
-    };
-    let response_payload = session
-        .peer
-        .forward_request(session.connection_id, host_connection_id, request.clone())
-        .await?;
-
-    let mut collaborators = session
-        .db()
-        .await
-        .project_collaborators(project_id, session.connection_id)
-        .await?;
-    collaborators.retain(|collaborator| collaborator.connection_id != session.connection_id);
-    let project_connection_ids = collaborators
-        .iter()
-        .map(|collaborator| collaborator.connection_id);
-    broadcast(
-        Some(host_connection_id),
-        project_connection_ids,
-        |conn_id| {
-            session
-                .peer
-                .forward_send(host_connection_id, conn_id, response_payload.clone())
-        },
-    );
-    response.send(response_payload)?;
-    Ok(())
-}
-
 async fn create_buffer_for_peer(
    request: proto::CreateBufferForPeer,
    session: Session,
@@ -1635,23 +1614,42 @@ async fn update_buffer(
 ) -> Result<()> {
    session.executor.record_backtrace();
    let project_id = ProjectId::from_proto(request.project_id);
-    let project_connection_ids = session
-        .db()
-        .await
-        .project_connection_ids(project_id, session.connection_id)
-        .await?;
+    let mut guest_connection_ids;
+    let mut host_connection_id = None;
+    {
+        let collaborators = session
+            .db()
+            .await
+            .project_collaborators(project_id, session.connection_id)
+            .await?;
+        guest_connection_ids = Vec::with_capacity(collaborators.len() - 1);
+        for collaborator in collaborators.iter() {
+            if collaborator.is_host {
+                host_connection_id = Some(collaborator.connection_id);
+            } else {
+                guest_connection_ids.push(collaborator.connection_id);
+            }
+        }
+    }
+    let host_connection_id = host_connection_id.ok_or_else(|| anyhow!("host not found"))?;

    session.executor.record_backtrace();
-
    broadcast(
        Some(session.connection_id),
-        project_connection_ids.iter().copied(),
+        guest_connection_ids,
        |connection_id| {
            session
                .peer
                .forward_send(session.connection_id, connection_id, request.clone())
        },
    );
+    if host_connection_id != session.connection_id {
+        session
+            .peer
+            .forward_request(session.connection_id, host_connection_id, request.clone())
+            .await?;
+    }
+
    response.send(proto::Ack {})?;
    Ok(())
 }
@@ -1855,7 +1853,7 @@ async fn fuzzy_search_users(
        1 | 2 => session
            .db()
            .await
-            .get_user_by_github_account(&query, None)
+            .get_user_by_github_login(&query)
            .await?
            .into_iter()
            .collect(),
--- a/crates/collab/src/tests.rs
+++ b/crates/collab/src/tests.rs
@@ -7,29 +7,31 @@ use crate::{
 use anyhow::anyhow;
 use call::ActiveCall;
 use client::{
-    self, proto::PeerId, test::FakeHttpClient, Client, Connection, Credentials,
-    EstablishConnectionError, UserStore,
+    self, proto::PeerId, Client, Connection, Credentials, EstablishConnectionError, UserStore,
 };
 use collections::{HashMap, HashSet};
 use fs::FakeFs;
 use futures::{channel::oneshot, StreamExt as _};
 use gpui::{
-    executor::Deterministic, test::EmptyView, ModelHandle, Task, TestAppContext, ViewHandle,
+    elements::*, executor::Deterministic, AnyElement, Entity, ModelHandle, TestAppContext, View,
+    ViewContext, ViewHandle, WeakViewHandle,
 };
 use language::LanguageRegistry;
 use parking_lot::Mutex;
 use project::{Project, WorktreeId};
 use settings::Settings;
 use std::{
+    cell::{Ref, RefCell, RefMut},
    env,
-    ops::Deref,
-    path::{Path, PathBuf},
+    ops::{Deref, DerefMut},
+    path::Path,
    sync::{
        atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
        Arc,
    },
 };
 use theme::ThemeRegistry;
+use util::http::FakeHttpClient;
 use workspace::Workspace;

 mod integration_tests;
@@ -104,11 +106,7 @@ impl TestServer {
        });

        let http = FakeHttpClient::with_404_response();
-        let user_id = if let Ok(Some(user)) = self
-            .app_state
-            .db
-            .get_user_by_github_account(name, None)
-            .await
+        let user_id = if let Ok(Some(user)) = self.app_state.db.get_user_by_github_login(name).await
        {
            user.id
        } else {
@@ -192,12 +190,13 @@ impl TestServer {
        let app_state = Arc::new(workspace::AppState {
            client: client.clone(),
            user_store: user_store.clone(),
-            languages: Arc::new(LanguageRegistry::new(Task::ready(()))),
+            languages: Arc::new(LanguageRegistry::test()),
            themes: ThemeRegistry::new((), cx.font_cache()),
            fs: fs.clone(),
            build_window_options: |_, _, _| Default::default(),
            initialize_workspace: |_, _, _| unimplemented!(),
-            dock_default_item_factory: |_, _| unimplemented!(),
+            dock_default_item_factory: |_, _| None,
+            background_actions: || &[],
        });

        Project::init(&client);
@@ -214,13 +213,10 @@ impl TestServer {
        let client = TestClient {
            client,
            username: name.to_string(),
-            local_projects: Default::default(),
-            remote_projects: Default::default(),
-            next_root_dir_id: 0,
+            state: Default::default(),
            user_store,
            fs,
            language_registry: Arc::new(LanguageRegistry::test()),
-            buffers: Default::default(),
        };
        client.wait_for_current_user(cx).await;
        client
@@ -319,12 +315,16 @@ impl Drop for TestServer {
 struct TestClient {
    client: Arc<Client>,
    username: String,
-    local_projects: Vec<ModelHandle<Project>>,
-    remote_projects: Vec<ModelHandle<Project>>,
-    next_root_dir_id: usize,
+    state: RefCell<TestClientState>,
    pub user_store: ModelHandle<UserStore>,
    language_registry: Arc<LanguageRegistry>,
    fs: Arc<FakeFs>,
+}
+
+#[derive(Default)]
+struct TestClientState {
+    local_projects: Vec<ModelHandle<Project>>,
+    remote_projects: Vec<ModelHandle<Project>>,
    buffers: HashMap<ModelHandle<Project>, HashSet<ModelHandle<language::Buffer>>>,
 }

@@ -363,6 +363,38 @@ impl TestClient {
            .await;
    }

+    fn local_projects<'a>(&'a self) -> impl Deref<Target = Vec<ModelHandle<Project>>> + 'a {
+        Ref::map(self.state.borrow(), |state| &state.local_projects)
+    }
+
+    fn remote_projects<'a>(&'a self) -> impl Deref<Target = Vec<ModelHandle<Project>>> + 'a {
+        Ref::map(self.state.borrow(), |state| &state.remote_projects)
+    }
+
+    fn local_projects_mut<'a>(&'a self) -> impl DerefMut<Target = Vec<ModelHandle<Project>>> + 'a {
+        RefMut::map(self.state.borrow_mut(), |state| &mut state.local_projects)
+    }
+
+    fn remote_projects_mut<'a>(&'a self) -> impl DerefMut<Target = Vec<ModelHandle<Project>>> + 'a {
+        RefMut::map(self.state.borrow_mut(), |state| &mut state.remote_projects)
+    }
+
+    fn buffers_for_project<'a>(
+        &'a self,
+        project: &ModelHandle<Project>,
+    ) -> impl DerefMut<Target = HashSet<ModelHandle<language::Buffer>>> + 'a {
+        RefMut::map(self.state.borrow_mut(), |state| {
+            state.buffers.entry(project.clone()).or_default()
+        })
+    }
+
+    fn buffers<'a>(
+        &'a self,
+    ) -> impl DerefMut<Target = HashMap<ModelHandle<Project>, HashSet<ModelHandle<language::Buffer>>>> + 'a
+    {
+        RefMut::map(self.state.borrow_mut(), |state| &mut state.buffers)
+    }
+
    fn summarize_contacts(&self, cx: &TestAppContext) -> ContactsSummary {
        self.user_store.read_with(cx, |store, _| ContactsSummary {
            current: store
@@ -433,25 +465,41 @@ impl TestClient {
        project: &ModelHandle<Project>,
        cx: &mut TestAppContext,
    ) -> ViewHandle<Workspace> {
-        let (_, root_view) = cx.add_window(|_| EmptyView);
-        cx.add_view(&root_view, |cx| {
-            Workspace::new(
-                Default::default(),
-                0,
-                project.clone(),
-                |_, _| unimplemented!(),
-                cx,
-            )
-        })
-    }
+        struct WorkspaceContainer {
+            workspace: Option<WeakViewHandle<Workspace>>,
+        }

-    fn create_new_root_dir(&mut self) -> PathBuf {
-        format!(
-            "/{}-root-{}",
-            self.username,
-            util::post_inc(&mut self.next_root_dir_id)
-        )
-        .into()
+        impl Entity for WorkspaceContainer {
+            type Event = ();
+        }
+
+        impl View for WorkspaceContainer {
+            fn ui_name() -> &'static str {
+                "WorkspaceContainer"
+            }
+
+            fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+                if let Some(workspace) = self
+                    .workspace
+                    .as_ref()
+                    .and_then(|workspace| workspace.upgrade(cx))
+                {
+                    ChildView::new(&workspace, cx).into_any()
+                } else {
+                    Empty::new().into_any()
+                }
+            }
+        }
+
+        // We use a workspace container so that we don't need to remove the window in order to
+        // drop the workspace and we can use a ViewHandle instead.
+        let (window_id, container) = cx.add_window(|_| WorkspaceContainer { workspace: None });
+        let workspace = cx.add_view(window_id, |cx| Workspace::test_new(project.clone(), cx));
+        container.update(cx, |container, cx| {
+            container.workspace = Some(workspace.downgrade());
+            cx.notify();
+        });
+        workspace
    }
 }

--- a/crates/collab/src/tests/integration_tests.rs
+++ b/crates/collab/src/tests/integration_tests.rs
--- a/crates/collab/src/tests/randomized_integration_tests.rs
+++ b/crates/collab/src/tests/randomized_integration_tests.rs
--- a/crates/collab_ui/Cargo.toml
+++ b/crates/collab_ui/Cargo.toml
@@ -27,7 +27,9 @@ call = { path = "../call" }
 client = { path = "../client" }
 clock = { path = "../clock" }
 collections = { path = "../collections" }
+context_menu = { path = "../context_menu" }
 editor = { path = "../editor" }
+feedback = { path = "../feedback" }
 fuzzy = { path = "../fuzzy" }
 gpui = { path = "../gpui" }
 menu = { path = "../menu" }
@@ -37,11 +39,13 @@ settings = { path = "../settings" }
 theme = { path = "../theme" }
 util = { path = "../util" }
 workspace = { path = "../workspace" }
-anyhow = "1.0"
-futures = "0.3"
-log = "0.4"
-postage = { version = "0.4.1", features = ["futures-traits"] }
-serde = { version = "1.0", features = ["derive", "rc"] }
+
+anyhow.workspace = true
+futures.workspace = true
+log.workspace = true
+postage.workspace = true
+serde.workspace = true
+serde_derive.workspace = true

 [dev-dependencies]
 call = { path = "../call", features = ["test-support"] }
--- a/crates/collab_ui/src/collab_titlebar_item.rs
+++ b/crates/collab_ui/src/collab_titlebar_item.rs
--- a/crates/collab_ui/src/collab_ui.rs
+++ b/crates/collab_ui/src/collab_ui.rs
@@ -1,5 +1,4 @@
 mod collab_titlebar_item;
-mod collaborator_list_popover;
 mod contact_finder;
 mod contact_list;
 mod contact_notification;
@@ -10,32 +9,27 @@ mod notifications;
 mod project_shared_notification;
 mod sharing_status_indicator;

-use anyhow::anyhow;
 use call::ActiveCall;
 pub use collab_titlebar_item::{CollabTitlebarItem, ToggleContactsMenu};
-use gpui::{actions, MutableAppContext, Task};
+use gpui::{actions, AppContext, Task};
 use std::sync::Arc;
-use workspace::{AppState, JoinProject, ToggleFollow, Workspace};
+use workspace::AppState;

 actions!(collab, [ToggleScreenSharing]);

-pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
+pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
    collab_titlebar_item::init(cx);
-    contact_notification::init(cx);
    contact_list::init(cx);
    contact_finder::init(cx);
    contacts_popover::init(cx);
-    incoming_call_notification::init(cx);
-    project_shared_notification::init(cx);
+    incoming_call_notification::init(&app_state, cx);
+    project_shared_notification::init(&app_state, cx);
    sharing_status_indicator::init(cx);

    cx.add_global_action(toggle_screen_sharing);
-    cx.add_global_action(move |action: &JoinProject, cx| {
-        join_project(action, app_state.clone(), cx);
-    });
 }

-pub fn toggle_screen_sharing(_: &ToggleScreenSharing, cx: &mut MutableAppContext) {
+pub fn toggle_screen_sharing(_: &ToggleScreenSharing, cx: &mut AppContext) {
    if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
        let toggle_screen_sharing = room.update(cx, |room, cx| {
            if room.is_screen_sharing() {
@@ -47,87 +41,3 @@ pub fn toggle_screen_sharing(_: &ToggleScreenSharing, cx: &mut MutableAppContext
        toggle_screen_sharing.detach_and_log_err(cx);
    }
 }
-
-fn join_project(action: &JoinProject, app_state: Arc<AppState>, cx: &mut MutableAppContext) {
-    let project_id = action.project_id;
-    let follow_user_id = action.follow_user_id;
-    cx.spawn(|mut cx| async move {
-        let existing_workspace = cx.update(|cx| {
-            cx.window_ids()
-                .filter_map(|window_id| cx.root_view::<Workspace>(window_id))
-                .find(|workspace| {
-                    workspace.read(cx).project().read(cx).remote_id() == Some(project_id)
-                })
-        });
-
-        let workspace = if let Some(existing_workspace) = existing_workspace {
-            existing_workspace
-        } else {
-            let active_call = cx.read(ActiveCall::global);
-            let room = active_call
-                .read_with(&cx, |call, _| call.room().cloned())
-                .ok_or_else(|| anyhow!("not in a call"))?;
-            let project = room
-                .update(&mut cx, |room, cx| {
-                    room.join_project(
-                        project_id,
-                        app_state.languages.clone(),
-                        app_state.fs.clone(),
-                        cx,
-                    )
-                })
-                .await?;
-
-            let (_, workspace) = cx.add_window(
-                (app_state.build_window_options)(None, None, cx.platform().as_ref()),
-                |cx| {
-                    let mut workspace = Workspace::new(
-                        Default::default(),
-                        0,
-                        project,
-                        app_state.dock_default_item_factory,
-                        cx,
-                    );
-                    (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
-                    workspace
-                },
-            );
-            workspace
-        };
-
-        cx.activate_window(workspace.window_id());
-        cx.platform().activate(true);
-
-        workspace.update(&mut cx, |workspace, cx| {
-            if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
-                let follow_peer_id = room
-                    .read(cx)
-                    .remote_participants()
-                    .iter()
-                    .find(|(_, participant)| participant.user.id == follow_user_id)
-                    .map(|(_, p)| p.peer_id)
-                    .or_else(|| {
-                        // If we couldn't follow the given user, follow the host instead.
-                        let collaborator = workspace
-                            .project()
-                            .read(cx)
-                            .collaborators()
-                            .values()
-                            .find(|collaborator| collaborator.replica_id == 0)?;
-                        Some(collaborator.peer_id)
-                    });
-
-                if let Some(follow_peer_id) = follow_peer_id {
-                    if !workspace.is_being_followed(follow_peer_id) {
-                        workspace
-                            .toggle_follow(&ToggleFollow(follow_peer_id), cx)
-                            .map(|follow| follow.detach_and_log_err(cx));
-                    }
-                }
-            }
-        });
-
-        anyhow::Ok(())
-    })
-    .detach_and_log_err(cx);
-}
--- a/crates/collab_ui/src/collaborator_list_popover.rs
+++ b/crates/collab_ui/src/collaborator_list_popover.rs
@@ -1,165 +0,0 @@
-use call::ActiveCall;
-use client::UserStore;
-use gpui::Action;
-use gpui::{
-    actions, elements::*, Entity, ModelHandle, MouseButton, RenderContext, View, ViewContext,
-};
-use settings::Settings;
-
-use crate::collab_titlebar_item::ToggleCollaboratorList;
-
-pub(crate) enum Event {
-    Dismissed,
-}
-
-enum Collaborator {
-    SelfUser { username: String },
-    RemoteUser { username: String },
-}
-
-actions!(collaborator_list_popover, [NoOp]);
-
-pub(crate) struct CollaboratorListPopover {
-    list_state: ListState,
-}
-
-impl Entity for CollaboratorListPopover {
-    type Event = Event;
-}
-
-impl View for CollaboratorListPopover {
-    fn ui_name() -> &'static str {
-        "CollaboratorListPopover"
-    }
-
-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
-        let theme = cx.global::<Settings>().theme.clone();
-
-        MouseEventHandler::<Self>::new(0, cx, |_, _| {
-            List::new(self.list_state.clone())
-                .contained()
-                .with_style(theme.contacts_popover.container) //TODO: Change the name of this theme key
-                .constrained()
-                .with_width(theme.contacts_popover.width)
-                .with_height(theme.contacts_popover.height)
-                .boxed()
-        })
-        .on_down_out(MouseButton::Left, move |_, cx| {
-            cx.dispatch_action(ToggleCollaboratorList);
-        })
-        .boxed()
-    }
-
-    fn focus_out(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
-        cx.emit(Event::Dismissed);
-    }
-}
-
-impl CollaboratorListPopover {
-    pub fn new(user_store: ModelHandle<UserStore>, cx: &mut ViewContext<Self>) -> Self {
-        let active_call = ActiveCall::global(cx);
-
-        let mut collaborators = user_store
-            .read(cx)
-            .current_user()
-            .map(|u| Collaborator::SelfUser {
-                username: u.github_login.clone(),
-            })
-            .into_iter()
-            .collect::<Vec<_>>();
-
-        //TODO: What should the canonical sort here look like, consult contacts list implementation
-        if let Some(room) = active_call.read(cx).room() {
-            for participant in room.read(cx).remote_participants() {
-                collaborators.push(Collaborator::RemoteUser {
-                    username: participant.1.user.github_login.clone(),
-                });
-            }
-        }
-
-        Self {
-            list_state: ListState::new(
-                collaborators.len(),
-                Orientation::Top,
-                0.,
-                cx,
-                move |_, index, cx| match &collaborators[index] {
-                    Collaborator::SelfUser { username } => render_collaborator_list_entry(
-                        index,
-                        username,
-                        None::<NoOp>,
-                        None,
-                        Svg::new("icons/chevron_right_12.svg"),
-                        NoOp,
-                        "Leave call".to_owned(),
-                        cx,
-                    ),
-
-                    Collaborator::RemoteUser { username } => render_collaborator_list_entry(
-                        index,
-                        username,
-                        Some(NoOp),
-                        Some(format!("Follow {username}")),
-                        Svg::new("icons/x_mark_12.svg"),
-                        NoOp,
-                        format!("Remove {username} from call"),
-                        cx,
-                    ),
-                },
-            ),
-        }
-    }
-}
-
-fn render_collaborator_list_entry<UA: Action + Clone, IA: Action + Clone>(
-    index: usize,
-    username: &str,
-    username_action: Option<UA>,
-    username_tooltip: Option<String>,
-    icon: Svg,
-    icon_action: IA,
-    icon_tooltip: String,
-    cx: &mut RenderContext<CollaboratorListPopover>,
-) -> ElementBox {
-    enum Username {}
-    enum UsernameTooltip {}
-    enum Icon {}
-    enum IconTooltip {}
-
-    let theme = &cx.global::<Settings>().theme;
-    let username_theme = theme.contact_list.contact_username.text.clone();
-    let tooltip_theme = theme.tooltip.clone();
-
-    let username = MouseEventHandler::<Username>::new(index, cx, |_, _| {
-        Label::new(username.to_owned(), username_theme.clone()).boxed()
-    })
-    .on_click(MouseButton::Left, move |_, cx| {
-        if let Some(username_action) = username_action.clone() {
-            cx.dispatch_action(username_action);
-        }
-    });
-
-    Flex::row()
-        .with_child(if let Some(username_tooltip) = username_tooltip {
-            username
-                .with_tooltip::<UsernameTooltip, _>(
-                    index,
-                    username_tooltip,
-                    None,
-                    tooltip_theme.clone(),
-                    cx,
-                )
-                .boxed()
-        } else {
-            username.boxed()
-        })
-        .with_child(
-            MouseEventHandler::<Icon>::new(index, cx, |_, _| icon.boxed())
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_action(icon_action.clone())
-                })
-                .with_tooltip::<IconTooltip, _>(index, icon_tooltip, None, tooltip_theme, cx)
-                .boxed(),
-        )
-        .boxed()
-}
--- a/crates/collab_ui/src/contact_finder.rs
+++ b/crates/collab_ui/src/contact_finder.rs
@@ -1,49 +1,42 @@
 use client::{ContactRequestStatus, User, UserStore};
-use gpui::{
-    elements::*, AnyViewHandle, Entity, ModelHandle, MouseState, MutableAppContext, RenderContext,
-    Task, View, ViewContext, ViewHandle,
-};
-use picker::{Picker, PickerDelegate};
+use gpui::{elements::*, AppContext, ModelHandle, MouseState, Task, ViewContext};
+use picker::{Picker, PickerDelegate, PickerEvent};
 use settings::Settings;
 use std::sync::Arc;
 use util::TryFutureExt;

-pub fn init(cx: &mut MutableAppContext) {
-    Picker::<ContactFinder>::init(cx);
+pub fn init(cx: &mut AppContext) {
+    Picker::<ContactFinderDelegate>::init(cx);
 }

-pub struct ContactFinder {
-    picker: ViewHandle<Picker<Self>>,
+pub type ContactFinder = Picker<ContactFinderDelegate>;
+
+pub fn build_contact_finder(
+    user_store: ModelHandle<UserStore>,
+    cx: &mut ViewContext<ContactFinder>,
+) -> ContactFinder {
+    Picker::new(
+        ContactFinderDelegate {
+            user_store,
+            potential_contacts: Arc::from([]),
+            selected_index: 0,
+        },
+        cx,
+    )
+    .with_theme(|theme| theme.contact_finder.picker.clone())
+}
+
+pub struct ContactFinderDelegate {
    potential_contacts: Arc<[Arc<User>]>,
    user_store: ModelHandle<UserStore>,
    selected_index: usize,
 }

-pub enum Event {
-    Dismissed,
-}
-
-impl Entity for ContactFinder {
-    type Event = Event;
-}
-
-impl View for ContactFinder {
-    fn ui_name() -> &'static str {
-        "ContactFinder"
+impl PickerDelegate for ContactFinderDelegate {
+    fn placeholder_text(&self) -> Arc<str> {
+        "Search collaborator by username...".into()
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
-        ChildView::new(self.picker.clone(), cx).boxed()
-    }
-
-    fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
-        if cx.is_self_focused() {
-            cx.focus(&self.picker);
-        }
-    }
-}
-
-impl PickerDelegate for ContactFinder {
    fn match_count(&self) -> usize {
        self.potential_contacts.len()
    }
@@ -52,30 +45,30 @@ impl PickerDelegate for ContactFinder {
        self.selected_index
    }

-    fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Self>) {
+    fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Picker<Self>>) {
        self.selected_index = ix;
    }

-    fn update_matches(&mut self, query: String, cx: &mut ViewContext<Self>) -> Task<()> {
+    fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
        let search_users = self
            .user_store
            .update(cx, |store, cx| store.fuzzy_search_users(query, cx));

-        cx.spawn(|this, mut cx| async move {
+        cx.spawn(|picker, mut cx| async move {
            async {
                let potential_contacts = search_users.await?;
-                this.update(&mut cx, |this, cx| {
-                    this.potential_contacts = potential_contacts.into();
+                picker.update(&mut cx, |picker, cx| {
+                    picker.delegate_mut().potential_contacts = potential_contacts.into();
                    cx.notify();
-                });
-                Ok(())
+                })?;
+                anyhow::Ok(())
            }
            .log_err()
            .await;
        })
    }

-    fn confirm(&mut self, cx: &mut ViewContext<Self>) {
+    fn confirm(&mut self, cx: &mut ViewContext<Picker<Self>>) {
        if let Some(user) = self.potential_contacts.get(self.selected_index) {
            let user_store = self.user_store.read(cx);
            match user_store.contact_request_status(user) {
@@ -94,8 +87,8 @@ impl PickerDelegate for ContactFinder {
        }
    }

-    fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
-        cx.emit(Event::Dismissed);
+    fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
+        cx.emit(PickerEvent::Dismiss);
    }

    fn render_match(
@@ -104,7 +97,7 @@ impl PickerDelegate for ContactFinder {
        mouse_state: &mut MouseState,
        selected: bool,
        cx: &gpui::AppContext,
-    ) -> ElementBox {
+    ) -> AnyElement<Picker<Self>> {
        let theme = &cx.global::<Settings>().theme;
        let user = &self.potential_contacts[ix];
        let request_status = self.user_store.read(cx).contact_request_status(user);
@@ -128,19 +121,17 @@ impl PickerDelegate for ContactFinder {
            .style_for(mouse_state, selected);
        Flex::row()
            .with_children(user.avatar.clone().map(|avatar| {
-                Image::new(avatar)
+                Image::from_data(avatar)
                    .with_style(theme.contact_finder.contact_avatar)
                    .aligned()
                    .left()
-                    .boxed()
            }))
            .with_child(
                Label::new(user.github_login.clone(), style.label.clone())
                    .contained()
                    .with_style(theme.contact_finder.contact_username)
                    .aligned()
-                    .left()
-                    .boxed(),
+                    .left(),
            )
            .with_children(icon_path.map(|icon_path| {
                Svg::new(icon_path)
@@ -155,27 +146,11 @@ impl PickerDelegate for ContactFinder {
                    .with_height(button_style.button_width)
                    .aligned()
                    .flex_float()
-                    .boxed()
            }))
            .contained()
            .with_style(style.container)
            .constrained()
            .with_height(theme.contact_finder.row_height)
-            .boxed()
-    }
-}
-
-impl ContactFinder {
-    pub fn new(user_store: ModelHandle<UserStore>, cx: &mut ViewContext<Self>) -> Self {
-        let this = cx.weak_handle();
-        Self {
-            picker: cx.add_view(|cx| {
-                Picker::new("Search collaborator by username...", this, cx)
-                    .with_theme(|theme| theme.contact_finder.picker.clone())
-            }),
-            potential_contacts: Arc::from([]),
-            user_store,
-            selected_index: 0,
-        }
+            .into_any()
    }
 }
--- a/crates/collab_ui/src/contact_list.rs
+++ b/crates/collab_ui/src/contact_list.rs
@@ -1,5 +1,3 @@
-use super::collab_titlebar_item::LeaveCall;
-use crate::contacts_popover;
 use call::ActiveCall;
 use client::{proto::PeerId, Contact, User, UserStore};
 use editor::{Cancel, Editor};
@@ -8,10 +6,10 @@ use fuzzy::{match_strings, StringMatchCandidate};
 use gpui::{
    elements::*,
    geometry::{rect::RectF, vector::vec2f},
-    impl_actions, impl_internal_actions,
+    impl_actions,
    keymap_matcher::KeymapContext,
-    AppContext, CursorStyle, Entity, ModelHandle, MouseButton, MutableAppContext, PromptLevel,
-    RenderContext, Subscription, View, ViewContext, ViewHandle,
+    platform::{CursorStyle, MouseButton, PromptLevel},
+    AppContext, Entity, ModelHandle, Subscription, View, ViewContext, ViewHandle, WeakViewHandle,
 };
 use menu::{Confirm, SelectNext, SelectPrev};
 use project::Project;
@@ -19,29 +17,17 @@ use serde::Deserialize;
 use settings::Settings;
 use std::{mem, sync::Arc};
 use theme::IconButton;
-use workspace::{JoinProject, OpenSharedScreen};
+use workspace::Workspace;

 impl_actions!(contact_list, [RemoveContact, RespondToContactRequest]);
-impl_internal_actions!(contact_list, [ToggleExpanded, Call]);

-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(ContactList::remove_contact);
    cx.add_action(ContactList::respond_to_contact_request);
    cx.add_action(ContactList::cancel);
    cx.add_action(ContactList::select_next);
    cx.add_action(ContactList::select_prev);
    cx.add_action(ContactList::confirm);
-    cx.add_action(ContactList::toggle_expanded);
-    cx.add_action(ContactList::call);
-}
-
-#[derive(Clone, PartialEq)]
-struct ToggleExpanded(Section);
-
-#[derive(Clone, PartialEq)]
-struct Call {
-    recipient_user_id: u64,
-    initial_project: Option<ModelHandle<Project>>,
 }

 #[derive(Clone, Copy, PartialEq, Eq, Debug, PartialOrd, Ord)]
@@ -141,7 +127,10 @@ impl PartialEq for ContactEntry {
 pub struct RequestContact(pub u64);

 #[derive(Clone, Deserialize, PartialEq)]
-pub struct RemoveContact(pub u64);
+pub struct RemoveContact {
+    user_id: u64,
+    github_login: String,
+}

 #[derive(Clone, Deserialize, PartialEq)]
 pub struct RespondToContactRequest {
@@ -150,14 +139,16 @@ pub struct RespondToContactRequest {
 }

 pub enum Event {
+    ToggleContactFinder,
    Dismissed,
 }

 pub struct ContactList {
    entries: Vec<ContactEntry>,
    match_candidates: Vec<StringMatchCandidate>,
-    list_state: ListState,
+    list_state: ListState<Self>,
    project: ModelHandle<Project>,
+    workspace: WeakViewHandle<Workspace>,
    user_store: ModelHandle<UserStore>,
    filter_editor: ViewHandle<Editor>,
    collapsed_sections: Vec<Section>,
@@ -169,6 +160,7 @@ impl ContactList {
    pub fn new(
        project: ModelHandle<Project>,
        user_store: ModelHandle<UserStore>,
+        workspace: WeakViewHandle<Workspace>,
        cx: &mut ViewContext<Self>,
    ) -> Self {
        let filter_editor = cx.add_view(|cx| {
@@ -199,7 +191,7 @@ impl ContactList {
        })
        .detach();

-        let list_state = ListState::new(0, Orientation::Top, 1000., cx, move |this, ix, cx| {
+        let list_state = ListState::<Self>::new(0, Orientation::Top, 1000., move |this, ix, cx| {
            let theme = cx.global::<Settings>().theme.clone();
            let is_selected = this.selection == Some(ix);
            let current_project_id = this.project.read(cx).remote_id();
@@ -288,23 +280,46 @@ impl ContactList {
            filter_editor,
            _subscriptions: subscriptions,
            project,
+            workspace,
            user_store,
        };
        this.update_entries(cx);
        this
    }

+    pub fn editor_text(&self, cx: &AppContext) -> String {
+        self.filter_editor.read(cx).text(cx)
+    }
+
+    pub fn with_editor_text(self, editor_text: String, cx: &mut ViewContext<Self>) -> Self {
+        self.filter_editor
+            .update(cx, |picker, cx| picker.set_text(editor_text, cx));
+        self
+    }
+
    fn remove_contact(&mut self, request: &RemoveContact, cx: &mut ViewContext<Self>) {
-        let user_id = request.0;
+        let user_id = request.user_id;
+        let github_login = &request.github_login;
        let user_store = self.user_store.clone();
-        let prompt_message = "Are you sure you want to remove this contact?";
-        let mut answer = cx.prompt(PromptLevel::Warning, prompt_message, &["Remove", "Cancel"]);
+        let prompt_message = format!(
+            "Are you sure you want to remove \"{}\" from your contacts?",
+            github_login
+        );
+        let mut answer = cx.prompt(PromptLevel::Warning, &prompt_message, &["Remove", "Cancel"]);
+        let window_id = cx.window_id();
        cx.spawn(|_, mut cx| async move {
            if answer.next().await == Some(0) {
-                user_store
+                if let Err(e) = user_store
                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))
                    .await
-                    .unwrap();
+                {
+                    cx.prompt(
+                        window_id,
+                        PromptLevel::Info,
+                        &format!("Failed to remove contact: {}", e),
+                        &["Ok"],
+                    );
+                }
            }
        })
        .detach();
@@ -378,18 +393,11 @@ impl ContactList {
            if let Some(entry) = self.entries.get(selection) {
                match entry {
                    ContactEntry::Header(section) => {
-                        let section = *section;
-                        self.toggle_expanded(&ToggleExpanded(section), cx);
+                        self.toggle_expanded(*section, cx);
                    }
                    ContactEntry::Contact { contact, calling } => {
                        if contact.online && !contact.busy && !calling {
-                            self.call(
-                                &Call {
-                                    recipient_user_id: contact.user.id,
-                                    initial_project: Some(self.project.clone()),
-                                },
-                                cx,
-                            );
+                            self.call(contact.user.id, Some(self.project.clone()), cx);
                        }
                    }
                    ContactEntry::ParticipantProject {
@@ -397,13 +405,23 @@ impl ContactList {
                        host_user_id,
                        ..
                    } => {
-                        cx.dispatch_global_action(JoinProject {
-                            project_id: *project_id,
-                            follow_user_id: *host_user_id,
-                        });
+                        if let Some(workspace) = self.workspace.upgrade(cx) {
+                            let app_state = workspace.read(cx).app_state().clone();
+                            workspace::join_remote_project(
+                                *project_id,
+                                *host_user_id,
+                                app_state,
+                                cx,
+                            )
+                            .detach_and_log_err(cx);
+                        }
                    }
                    ContactEntry::ParticipantScreen { peer_id, .. } => {
-                        cx.dispatch_action(OpenSharedScreen { peer_id: *peer_id });
+                        if let Some(workspace) = self.workspace.upgrade(cx) {
+                            workspace.update(cx, |workspace, cx| {
+                                workspace.open_shared_screen(*peer_id, cx)
+                            });
+                        }
                    }
                    _ => {}
                }
@@ -411,8 +429,7 @@ impl ContactList {
        }
    }

-    fn toggle_expanded(&mut self, action: &ToggleExpanded, cx: &mut ViewContext<Self>) {
-        let section = action.0;
+    fn toggle_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
            self.collapsed_sections.remove(ix);
        } else {
@@ -723,14 +740,13 @@ impl ContactList {
        is_pending: bool,
        is_selected: bool,
        theme: &theme::ContactList,
-    ) -> ElementBox {
+    ) -> AnyElement<Self> {
        Flex::row()
            .with_children(user.avatar.clone().map(|avatar| {
-                Image::new(avatar)
+                Image::from_data(avatar)
                    .with_style(theme.contact_avatar)
                    .aligned()
                    .left()
-                    .boxed()
            }))
            .with_child(
                Label::new(
@@ -741,16 +757,14 @@ impl ContactList {
                .with_style(theme.contact_username.container)
                .aligned()
                .left()
-                .flex(1., true)
-                .boxed(),
+                .flex(1., true),
            )
            .with_children(if is_pending {
                Some(
                    Label::new("Calling", theme.calling_indicator.text.clone())
                        .contained()
                        .with_style(theme.calling_indicator.container)
-                        .aligned()
-                        .boxed(),
+                        .aligned(),
                )
            } else {
                None
@@ -763,7 +777,7 @@ impl ContactList {
                    .contact_row
                    .style_for(&mut Default::default(), is_selected),
            )
-            .boxed()
+            .into_any()
    }

    fn render_participant_project(
@@ -774,8 +788,10 @@ impl ContactList {
        is_last: bool,
        is_selected: bool,
        theme: &theme::ContactList,
-        cx: &mut RenderContext<Self>,
-    ) -> ElementBox {
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        enum JoinProject {}
+
        let font_cache = cx.font_cache();
        let host_avatar_height = theme
            .contact_avatar
@@ -794,48 +810,44 @@ impl ContactList {
            worktree_root_names.join(", ")
        };

-        MouseEventHandler::<JoinProject>::new(project_id as usize, cx, |mouse_state, _| {
+        MouseEventHandler::<JoinProject, Self>::new(project_id as usize, cx, |mouse_state, _| {
            let tree_branch = *tree_branch.style_for(mouse_state, is_selected);
            let row = theme.project_row.style_for(mouse_state, is_selected);

            Flex::row()
                .with_child(
                    Stack::new()
-                        .with_child(
-                            Canvas::new(move |bounds, _, cx| {
-                                let start_x = bounds.min_x() + (bounds.width() / 2.)
-                                    - (tree_branch.width / 2.);
-                                let end_x = bounds.max_x();
-                                let start_y = bounds.min_y();
-                                let end_y = bounds.min_y() + baseline_offset - (cap_height / 2.);
+                        .with_child(Canvas::new(move |scene, bounds, _, _, _| {
+                            let start_x =
+                                bounds.min_x() + (bounds.width() / 2.) - (tree_branch.width / 2.);
+                            let end_x = bounds.max_x();
+                            let start_y = bounds.min_y();
+                            let end_y = bounds.min_y() + baseline_offset - (cap_height / 2.);

-                                cx.scene.push_quad(gpui::Quad {
-                                    bounds: RectF::from_points(
-                                        vec2f(start_x, start_y),
-                                        vec2f(
-                                            start_x + tree_branch.width,
-                                            if is_last { end_y } else { bounds.max_y() },
-                                        ),
+                            scene.push_quad(gpui::Quad {
+                                bounds: RectF::from_points(
+                                    vec2f(start_x, start_y),
+                                    vec2f(
+                                        start_x + tree_branch.width,
+                                        if is_last { end_y } else { bounds.max_y() },
                                    ),
-                                    background: Some(tree_branch.color),
-                                    border: gpui::Border::default(),
-                                    corner_radius: 0.,
-                                });
-                                cx.scene.push_quad(gpui::Quad {
-                                    bounds: RectF::from_points(
-                                        vec2f(start_x, end_y),
-                                        vec2f(end_x, end_y + tree_branch.width),
-                                    ),
-                                    background: Some(tree_branch.color),
-                                    border: gpui::Border::default(),
-                                    corner_radius: 0.,
-                                });
-                            })
-                            .boxed(),
-                        )
+                                ),
+                                background: Some(tree_branch.color),
+                                border: gpui::Border::default(),
+                                corner_radius: 0.,
+                            });
+                            scene.push_quad(gpui::Quad {
+                                bounds: RectF::from_points(
+                                    vec2f(start_x, end_y),
+                                    vec2f(end_x, end_y + tree_branch.width),
+                                ),
+                                background: Some(tree_branch.color),
+                                border: gpui::Border::default(),
+                                corner_radius: 0.,
+                            });
+                        }))
                        .constrained()
-                        .with_width(host_avatar_height)
-                        .boxed(),
+                        .with_width(host_avatar_height),
                )
                .with_child(
                    Label::new(project_name, row.name.text.clone())
@@ -843,29 +855,28 @@ impl ContactList {
                        .left()
                        .contained()
                        .with_style(row.name.container)
-                        .flex(1., false)
-                        .boxed(),
+                        .flex(1., false),
                )
                .constrained()
                .with_height(theme.row_height)
                .contained()
                .with_style(row.container)
-                .boxed()
        })
        .with_cursor_style(if !is_current {
            CursorStyle::PointingHand
        } else {
            CursorStyle::Arrow
        })
-        .on_click(MouseButton::Left, move |_, cx| {
+        .on_click(MouseButton::Left, move |_, this, cx| {
            if !is_current {
-                cx.dispatch_global_action(JoinProject {
-                    project_id,
-                    follow_user_id: host_user_id,
-                });
+                if let Some(workspace) = this.workspace.upgrade(cx) {
+                    let app_state = workspace.read(cx).app_state().clone();
+                    workspace::join_remote_project(project_id, host_user_id, app_state, cx)
+                        .detach_and_log_err(cx);
+                }
            }
        })
-        .boxed()
+        .into_any()
    }

    fn render_participant_screen(
@@ -873,8 +884,10 @@ impl ContactList {
        is_last: bool,
        is_selected: bool,
        theme: &theme::ContactList,
-        cx: &mut RenderContext<Self>,
-    ) -> ElementBox {
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        enum OpenSharedScreen {}
+
        let font_cache = cx.font_cache();
        let host_avatar_height = theme
            .contact_avatar
@@ -888,7 +901,7 @@ impl ContactList {
        let baseline_offset =
            row.name.text.baseline_offset(font_cache) + (theme.row_height - line_height) / 2.;

-        MouseEventHandler::<OpenSharedScreen>::new(
+        MouseEventHandler::<OpenSharedScreen, Self>::new(
            peer_id.as_u64() as usize,
            cx,
            |mouse_state, _| {
@@ -898,42 +911,37 @@ impl ContactList {
                Flex::row()
                    .with_child(
                        Stack::new()
-                            .with_child(
-                                Canvas::new(move |bounds, _, cx| {
-                                    let start_x = bounds.min_x() + (bounds.width() / 2.)
-                                        - (tree_branch.width / 2.);
-                                    let end_x = bounds.max_x();
-                                    let start_y = bounds.min_y();
-                                    let end_y =
-                                        bounds.min_y() + baseline_offset - (cap_height / 2.);
+                            .with_child(Canvas::new(move |scene, bounds, _, _, _| {
+                                let start_x = bounds.min_x() + (bounds.width() / 2.)
+                                    - (tree_branch.width / 2.);
+                                let end_x = bounds.max_x();
+                                let start_y = bounds.min_y();
+                                let end_y = bounds.min_y() + baseline_offset - (cap_height / 2.);

-                                    cx.scene.push_quad(gpui::Quad {
-                                        bounds: RectF::from_points(
-                                            vec2f(start_x, start_y),
-                                            vec2f(
-                                                start_x + tree_branch.width,
-                                                if is_last { end_y } else { bounds.max_y() },
-                                            ),
+                                scene.push_quad(gpui::Quad {
+                                    bounds: RectF::from_points(
+                                        vec2f(start_x, start_y),
+                                        vec2f(
+                                            start_x + tree_branch.width,
+                                            if is_last { end_y } else { bounds.max_y() },
                                        ),
-                                        background: Some(tree_branch.color),
-                                        border: gpui::Border::default(),
-                                        corner_radius: 0.,
-                                    });
-                                    cx.scene.push_quad(gpui::Quad {
-                                        bounds: RectF::from_points(
-                                            vec2f(start_x, end_y),
-                                            vec2f(end_x, end_y + tree_branch.width),
-                                        ),
-                                        background: Some(tree_branch.color),
-                                        border: gpui::Border::default(),
-                                        corner_radius: 0.,
-                                    });
-                                })
-                                .boxed(),
-                            )
+                                    ),
+                                    background: Some(tree_branch.color),
+                                    border: gpui::Border::default(),
+                                    corner_radius: 0.,
+                                });
+                                scene.push_quad(gpui::Quad {
+                                    bounds: RectF::from_points(
+                                        vec2f(start_x, end_y),
+                                        vec2f(end_x, end_y + tree_branch.width),
+                                    ),
+                                    background: Some(tree_branch.color),
+                                    border: gpui::Border::default(),
+                                    corner_radius: 0.,
+                                });
+                            }))
                            .constrained()
-                            .with_width(host_avatar_height)
-                            .boxed(),
+                            .with_width(host_avatar_height),
                    )
                    .with_child(
                        Svg::new("icons/disable_screen_sharing_12.svg")
@@ -943,8 +951,7 @@ impl ContactList {
                            .aligned()
                            .left()
                            .contained()
-                            .with_style(row.icon.container)
-                            .boxed(),
+                            .with_style(row.icon.container),
                    )
                    .with_child(
                        Label::new("Screen", row.name.text.clone())
@@ -952,21 +959,23 @@ impl ContactList {
                            .left()
                            .contained()
                            .with_style(row.name.container)
-                            .flex(1., false)
-                            .boxed(),
+                            .flex(1., false),
                    )
                    .constrained()
                    .with_height(theme.row_height)
                    .contained()
                    .with_style(row.container)
-                    .boxed()
            },
        )
        .with_cursor_style(CursorStyle::PointingHand)
-        .on_click(MouseButton::Left, move |_, cx| {
-            cx.dispatch_action(OpenSharedScreen { peer_id });
+        .on_click(MouseButton::Left, move |_, this, cx| {
+            if let Some(workspace) = this.workspace.upgrade(cx) {
+                workspace.update(cx, |workspace, cx| {
+                    workspace.open_shared_screen(peer_id, cx)
+                });
+            }
        })
-        .boxed()
+        .into_any()
    }

    fn render_header(
@@ -974,8 +983,8 @@ impl ContactList {
        theme: &theme::ContactList,
        is_selected: bool,
        is_collapsed: bool,
-        cx: &mut RenderContext<Self>,
-    ) -> ElementBox {
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
        enum Header {}
        enum LeaveCallContactList {}

@@ -990,23 +999,25 @@ impl ContactList {
        };
        let leave_call = if section == Section::ActiveCall {
            Some(
-                MouseEventHandler::<LeaveCallContactList>::new(0, cx, |state, _| {
+                MouseEventHandler::<LeaveCallContactList, Self>::new(0, cx, |state, _| {
                    let style = theme.leave_call.style_for(state, false);
                    Label::new("Leave Call", style.text.clone())
                        .contained()
                        .with_style(style.container)
-                        .boxed()
                })
-                .on_click(MouseButton::Left, |_, cx| cx.dispatch_action(LeaveCall))
-                .aligned()
-                .boxed(),
+                .on_click(MouseButton::Left, |_, _, cx| {
+                    ActiveCall::global(cx)
+                        .update(cx, |call, cx| call.hang_up(cx))
+                        .detach_and_log_err(cx);
+                })
+                .aligned(),
            )
        } else {
            None
        };

        let icon_size = theme.section_icon_size;
-        MouseEventHandler::<Header>::new(section as usize, cx, |_, _| {
+        MouseEventHandler::<Header, Self>::new(section as usize, cx, |_, _| {
            Flex::row()
                .with_child(
                    Svg::new(if is_collapsed {
@@ -1020,8 +1031,7 @@ impl ContactList {
                    .with_max_height(icon_size)
                    .aligned()
                    .constrained()
-                    .with_width(icon_size)
-                    .boxed(),
+                    .with_width(icon_size),
                )
                .with_child(
                    Label::new(text, header_style.text.clone())
@@ -1029,21 +1039,19 @@ impl ContactList {
                        .left()
                        .contained()
                        .with_margin_left(theme.contact_username.container.margin.left)
-                        .flex(1., true)
-                        .boxed(),
+                        .flex(1., true),
                )
                .with_children(leave_call)
                .constrained()
                .with_height(theme.row_height)
                .contained()
                .with_style(header_style.container)
-                .boxed()
        })
        .with_cursor_style(CursorStyle::PointingHand)
-        .on_click(MouseButton::Left, move |_, cx| {
-            cx.dispatch_action(ToggleExpanded(section))
+        .on_click(MouseButton::Left, move |_, this, cx| {
+            this.toggle_expanded(section, cx);
        })
-        .boxed()
+        .into_any()
    }

    fn render_contact(
@@ -1052,14 +1060,15 @@ impl ContactList {
        project: &ModelHandle<Project>,
        theme: &theme::ContactList,
        is_selected: bool,
-        cx: &mut RenderContext<Self>,
-    ) -> ElementBox {
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
        let online = contact.online;
        let busy = contact.busy || calling;
        let user_id = contact.user.id;
+        let github_login = contact.user.github_login.clone();
        let initial_project = project.clone();
-        let mut element =
-            MouseEventHandler::<Contact>::new(contact.user.id as usize, cx, |_, cx| {
+        let mut event_handler =
+            MouseEventHandler::<Contact, Self>::new(contact.user.id as usize, cx, |_, cx| {
                Flex::row()
                    .with_children(contact.user.avatar.clone().map(|avatar| {
                        let status_badge = if contact.online {
@@ -1072,22 +1081,19 @@ impl ContactList {
                                    } else {
                                        theme.contact_status_free
                                    })
-                                    .aligned()
-                                    .boxed(),
+                                    .aligned(),
                            )
                        } else {
                            None
                        };
                        Stack::new()
                            .with_child(
-                                Image::new(avatar)
+                                Image::from_data(avatar)
                                    .with_style(theme.contact_avatar)
                                    .aligned()
-                                    .left()
-                                    .boxed(),
+                                    .left(),
                            )
                            .with_children(status_badge)
-                            .boxed()
                    }))
                    .with_child(
                        Label::new(
@@ -1098,11 +1104,10 @@ impl ContactList {
                        .with_style(theme.contact_username.container)
                        .aligned()
                        .left()
-                        .flex(1., true)
-                        .boxed(),
+                        .flex(1., true),
                    )
                    .with_child(
-                        MouseEventHandler::<Cancel>::new(
+                        MouseEventHandler::<Cancel, Self>::new(
                            contact.user.id as usize,
                            cx,
                            |mouse_state, _| {
@@ -1111,24 +1116,27 @@ impl ContactList {
                                render_icon_button(button_style, "icons/x_mark_8.svg")
                                    .aligned()
                                    .flex_float()
-                                    .boxed()
                            },
                        )
                        .with_padding(Padding::uniform(2.))
                        .with_cursor_style(CursorStyle::PointingHand)
-                        .on_click(MouseButton::Left, move |_, cx| {
-                            cx.dispatch_action(RemoveContact(user_id))
+                        .on_click(MouseButton::Left, move |_, this, cx| {
+                            this.remove_contact(
+                                &RemoveContact {
+                                    user_id,
+                                    github_login: github_login.clone(),
+                                },
+                                cx,
+                            );
                        })
-                        .flex_float()
-                        .boxed(),
+                        .flex_float(),
                    )
                    .with_children(if calling {
                        Some(
                            Label::new("Calling", theme.calling_indicator.text.clone())
                                .contained()
                                .with_style(theme.calling_indicator.container)
-                                .aligned()
-                                .boxed(),
+                                .aligned(),
                        )
                    } else {
                        None
@@ -1141,22 +1149,18 @@ impl ContactList {
                            .contact_row
                            .style_for(&mut Default::default(), is_selected),
                    )
-                    .boxed()
            })
-            .on_click(MouseButton::Left, move |_, cx| {
+            .on_click(MouseButton::Left, move |_, this, cx| {
                if online && !busy {
-                    cx.dispatch_action(Call {
-                        recipient_user_id: user_id,
-                        initial_project: Some(initial_project.clone()),
-                    });
+                    this.call(user_id, Some(initial_project.clone()), cx);
                }
            });

        if online {
-            element = element.with_cursor_style(CursorStyle::PointingHand);
+            event_handler = event_handler.with_cursor_style(CursorStyle::PointingHand);
        }

-        element.boxed()
+        event_handler.into_any()
    }

    fn render_contact_request(
@@ -1165,19 +1169,18 @@ impl ContactList {
        theme: &theme::ContactList,
        is_incoming: bool,
        is_selected: bool,
-        cx: &mut RenderContext<Self>,
-    ) -> ElementBox {
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
        enum Decline {}
        enum Accept {}
        enum Cancel {}

        let mut row = Flex::row()
            .with_children(user.avatar.clone().map(|avatar| {
-                Image::new(avatar)
+                Image::from_data(avatar)
                    .with_style(theme.contact_avatar)
                    .aligned()
                    .left()
-                    .boxed()
            }))
            .with_child(
                Label::new(
@@ -1188,37 +1191,40 @@ impl ContactList {
                .with_style(theme.contact_username.container)
                .aligned()
                .left()
-                .flex(1., true)
-                .boxed(),
+                .flex(1., true),
            );

        let user_id = user.id;
+        let github_login = user.github_login.clone();
        let is_contact_request_pending = user_store.read(cx).is_contact_request_pending(&user);
        let button_spacing = theme.contact_button_spacing;

        if is_incoming {
-            row.add_children([
-                MouseEventHandler::<Decline>::new(user.id as usize, cx, |mouse_state, _| {
+            row.add_child(
+                MouseEventHandler::<Decline, Self>::new(user.id as usize, cx, |mouse_state, _| {
                    let button_style = if is_contact_request_pending {
                        &theme.disabled_button
                    } else {
                        theme.contact_button.style_for(mouse_state, false)
                    };
-                    render_icon_button(button_style, "icons/x_mark_8.svg")
-                        .aligned()
-                        .boxed()
+                    render_icon_button(button_style, "icons/x_mark_8.svg").aligned()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_action(RespondToContactRequest {
-                        user_id,
-                        accept: false,
-                    })
+                .on_click(MouseButton::Left, move |_, this, cx| {
+                    this.respond_to_contact_request(
+                        &RespondToContactRequest {
+                            user_id,
+                            accept: false,
+                        },
+                        cx,
+                    );
                })
                .contained()
-                .with_margin_right(button_spacing)
-                .boxed(),
-                MouseEventHandler::<Accept>::new(user.id as usize, cx, |mouse_state, _| {
+                .with_margin_right(button_spacing),
+            );
+
+            row.add_child(
+                MouseEventHandler::<Accept, Self>::new(user.id as usize, cx, |mouse_state, _| {
                    let button_style = if is_contact_request_pending {
                        &theme.disabled_button
                    } else {
@@ -1227,20 +1233,21 @@ impl ContactList {
                    render_icon_button(button_style, "icons/check_8.svg")
                        .aligned()
                        .flex_float()
-                        .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_action(RespondToContactRequest {
-                        user_id,
-                        accept: true,
-                    })
-                })
-                .boxed(),
-            ]);
+                .on_click(MouseButton::Left, move |_, this, cx| {
+                    this.respond_to_contact_request(
+                        &RespondToContactRequest {
+                            user_id,
+                            accept: true,
+                        },
+                        cx,
+                    );
+                }),
+            );
        } else {
            row.add_child(
-                MouseEventHandler::<Cancel>::new(user.id as usize, cx, |mouse_state, _| {
+                MouseEventHandler::<Cancel, Self>::new(user.id as usize, cx, |mouse_state, _| {
                    let button_style = if is_contact_request_pending {
                        &theme.disabled_button
                    } else {
@@ -1249,15 +1256,19 @@ impl ContactList {
                    render_icon_button(button_style, "icons/x_mark_8.svg")
                        .aligned()
                        .flex_float()
-                        .boxed()
                })
                .with_padding(Padding::uniform(2.))
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_action(RemoveContact(user_id))
+                .on_click(MouseButton::Left, move |_, this, cx| {
+                    this.remove_contact(
+                        &RemoveContact {
+                            user_id,
+                            github_login: github_login.clone(),
+                        },
+                        cx,
+                    );
                })
-                .flex_float()
-                .boxed(),
+                .flex_float(),
            );
        }

@@ -1269,12 +1280,15 @@ impl ContactList {
                    .contact_row
                    .style_for(&mut Default::default(), is_selected),
            )
-            .boxed()
+            .into_any()
    }

-    fn call(&mut self, action: &Call, cx: &mut ViewContext<Self>) {
-        let recipient_user_id = action.recipient_user_id;
-        let initial_project = action.initial_project.clone();
+    fn call(
+        &mut self,
+        recipient_user_id: u64,
+        initial_project: Option<ModelHandle<Project>>,
+        cx: &mut ViewContext<Self>,
+    ) {
        ActiveCall::global(cx)
            .update(cx, |call, cx| {
                call.invite(recipient_user_id, initial_project, cx)
@@ -1292,13 +1306,12 @@ impl View for ContactList {
        "ContactList"
    }

-    fn keymap_context(&self, _: &AppContext) -> KeymapContext {
-        let mut cx = Self::default_keymap_context();
-        cx.set.insert("menu".into());
-        cx
+    fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
+        Self::reset_to_default_keymap_context(keymap);
+        keymap.add_identifier("menu");
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        enum AddContact {}
        let theme = cx.global::<Settings>().theme.clone();

@@ -1306,39 +1319,35 @@ impl View for ContactList {
            .with_child(
                Flex::row()
                    .with_child(
-                        ChildView::new(self.filter_editor.clone(), cx)
+                        ChildView::new(&self.filter_editor, cx)
                            .contained()
                            .with_style(theme.contact_list.user_query_editor.container)
-                            .flex(1., true)
-                            .boxed(),
+                            .flex(1., true),
                    )
                    .with_child(
-                        MouseEventHandler::<AddContact>::new(0, cx, |_, _| {
+                        MouseEventHandler::<AddContact, Self>::new(0, cx, |_, _| {
                            render_icon_button(
                                &theme.contact_list.add_contact_button,
                                "icons/user_plus_16.svg",
                            )
-                            .boxed()
                        })
                        .with_cursor_style(CursorStyle::PointingHand)
-                        .on_click(MouseButton::Left, |_, cx| {
-                            cx.dispatch_action(contacts_popover::ToggleContactFinder)
+                        .on_click(MouseButton::Left, |_, _, cx| {
+                            cx.emit(Event::ToggleContactFinder)
                        })
-                        .with_tooltip::<AddContact, _>(
+                        .with_tooltip::<AddContact>(
                            0,
                            "Search for new contact".into(),
                            None,
                            theme.tooltip.clone(),
                            cx,
-                        )
-                        .boxed(),
+                        ),
                    )
                    .constrained()
-                    .with_height(theme.contact_list.user_query_editor_height)
-                    .boxed(),
+                    .with_height(theme.contact_list.user_query_editor_height),
            )
-            .with_child(List::new(self.list_state.clone()).flex(1., false).boxed())
-            .boxed()
+            .with_child(List::new(self.list_state.clone()).flex(1., false))
+            .into_any()
    }

    fn focus_in(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
@@ -1354,7 +1363,7 @@ impl View for ContactList {
    }
 }

-fn render_icon_button(style: &IconButton, svg_path: &'static str) -> impl Element {
+fn render_icon_button(style: &IconButton, svg_path: &'static str) -> impl Element<ContactList> {
    Svg::new(svg_path)
        .with_color(style.color)
        .constrained()
--- a/crates/collab_ui/src/contact_notification.rs
+++ b/crates/collab_ui/src/contact_notification.rs
@@ -2,19 +2,9 @@ use std::sync::Arc;

 use crate::notifications::render_user_notification;
 use client::{ContactEventKind, User, UserStore};
-use gpui::{
-    elements::*, impl_internal_actions, Entity, ModelHandle, MutableAppContext, RenderContext,
-    View, ViewContext,
-};
+use gpui::{elements::*, Entity, ModelHandle, View, ViewContext};
 use workspace::notifications::Notification;

-impl_internal_actions!(contact_notifications, [Dismiss, RespondToContactRequest]);
-
-pub fn init(cx: &mut MutableAppContext) {
-    cx.add_action(ContactNotification::dismiss);
-    cx.add_action(ContactNotification::respond_to_contact_request);
-}
-
 pub struct ContactNotification {
    user_store: ModelHandle<UserStore>,
    user: Arc<User>,
@@ -43,26 +33,24 @@ impl View for ContactNotification {
        "ContactNotification"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        match self.kind {
            ContactEventKind::Requested => render_user_notification(
                self.user.clone(),
                "wants to add you as a contact",
                Some("They won't be alerted if you decline."),
-                Dismiss(self.user.id),
+                |notification, cx| notification.dismiss(cx),
                vec![
                    (
                        "Decline",
-                        Box::new(RespondToContactRequest {
-                            user_id: self.user.id,
-                            accept: false,
+                        Box::new(|notification, cx| {
+                            notification.respond_to_contact_request(false, cx)
                        }),
                    ),
                    (
                        "Accept",
-                        Box::new(RespondToContactRequest {
-                            user_id: self.user.id,
-                            accept: true,
+                        Box::new(|notification, cx| {
+                            notification.respond_to_contact_request(true, cx)
                        }),
                    ),
                ],
@@ -72,7 +60,7 @@ impl View for ContactNotification {
                self.user.clone(),
                "accepted your contact request",
                None,
-                Dismiss(self.user.id),
+                |notification, cx| notification.dismiss(cx),
                vec![],
                cx,
            ),
@@ -114,7 +102,7 @@ impl ContactNotification {
        }
    }

-    fn dismiss(&mut self, _: &Dismiss, cx: &mut ViewContext<Self>) {
+    fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
        self.user_store.update(cx, |store, cx| {
            store
                .dismiss_contact_request(self.user.id, cx)
@@ -123,14 +111,10 @@ impl ContactNotification {
        cx.emit(Event::Dismiss);
    }

-    fn respond_to_contact_request(
-        &mut self,
-        action: &RespondToContactRequest,
-        cx: &mut ViewContext<Self>,
-    ) {
+    fn respond_to_contact_request(&mut self, accept: bool, cx: &mut ViewContext<Self>) {
        self.user_store
            .update(cx, |store, cx| {
-                store.respond_to_contact_request(action.user_id, action.accept, cx)
+                store.respond_to_contact_request(self.user.id, accept, cx)
            })
            .detach();
    }
--- a/crates/collab_ui/src/contacts_popover.rs
+++ b/crates/collab_ui/src/contacts_popover.rs
@@ -1,15 +1,20 @@
-use crate::{contact_finder::ContactFinder, contact_list::ContactList, ToggleContactsMenu};
+use crate::{
+    contact_finder::{build_contact_finder, ContactFinder},
+    contact_list::ContactList,
+};
 use client::UserStore;
 use gpui::{
-    actions, elements::*, ClipboardItem, CursorStyle, Entity, ModelHandle, MouseButton,
-    MutableAppContext, RenderContext, View, ViewContext, ViewHandle,
+    actions, elements::*, platform::MouseButton, AppContext, Entity, ModelHandle, View,
+    ViewContext, ViewHandle, WeakViewHandle,
 };
+use picker::PickerEvent;
 use project::Project;
 use settings::Settings;
+use workspace::Workspace;

 actions!(contacts_popover, [ToggleContactFinder]);

-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(ContactsPopover::toggle_contact_finder);
 }

@@ -26,6 +31,7 @@ pub struct ContactsPopover {
    child: Child,
    project: ModelHandle<Project>,
    user_store: ModelHandle<UserStore>,
+    workspace: WeakViewHandle<Workspace>,
    _subscription: Option<gpui::Subscription>,
 }

@@ -33,43 +39,59 @@ impl ContactsPopover {
    pub fn new(
        project: ModelHandle<Project>,
        user_store: ModelHandle<UserStore>,
+        workspace: WeakViewHandle<Workspace>,
        cx: &mut ViewContext<Self>,
    ) -> Self {
        let mut this = Self {
-            child: Child::ContactList(
-                cx.add_view(|cx| ContactList::new(project.clone(), user_store.clone(), cx)),
-            ),
+            child: Child::ContactList(cx.add_view(|cx| {
+                ContactList::new(project.clone(), user_store.clone(), workspace.clone(), cx)
+            })),
            project,
            user_store,
+            workspace,
            _subscription: None,
        };
-        this.show_contact_list(cx);
+        this.show_contact_list(String::new(), cx);
        this
    }

    fn toggle_contact_finder(&mut self, _: &ToggleContactFinder, cx: &mut ViewContext<Self>) {
        match &self.child {
-            Child::ContactList(_) => self.show_contact_finder(cx),
-            Child::ContactFinder(_) => self.show_contact_list(cx),
+            Child::ContactList(list) => self.show_contact_finder(list.read(cx).editor_text(cx), cx),
+            Child::ContactFinder(finder) => self.show_contact_list(finder.read(cx).query(cx), cx),
        }
    }

-    fn show_contact_finder(&mut self, cx: &mut ViewContext<ContactsPopover>) {
-        let child = cx.add_view(|cx| ContactFinder::new(self.user_store.clone(), cx));
+    fn show_contact_finder(&mut self, editor_text: String, cx: &mut ViewContext<ContactsPopover>) {
+        let child = cx.add_view(|cx| {
+            let finder = build_contact_finder(self.user_store.clone(), cx);
+            finder.set_query(editor_text, cx);
+            finder
+        });
        cx.focus(&child);
        self._subscription = Some(cx.subscribe(&child, |_, _, event, cx| match event {
-            crate::contact_finder::Event::Dismissed => cx.emit(Event::Dismissed),
+            PickerEvent::Dismiss => cx.emit(Event::Dismissed),
        }));
        self.child = Child::ContactFinder(child);
        cx.notify();
    }

-    fn show_contact_list(&mut self, cx: &mut ViewContext<ContactsPopover>) {
-        let child =
-            cx.add_view(|cx| ContactList::new(self.project.clone(), self.user_store.clone(), cx));
+    fn show_contact_list(&mut self, editor_text: String, cx: &mut ViewContext<ContactsPopover>) {
+        let child = cx.add_view(|cx| {
+            ContactList::new(
+                self.project.clone(),
+                self.user_store.clone(),
+                self.workspace.clone(),
+                cx,
+            )
+            .with_editor_text(editor_text, cx)
+        });
        cx.focus(&child);
-        self._subscription = Some(cx.subscribe(&child, |_, _, event, cx| match event {
+        self._subscription = Some(cx.subscribe(&child, |this, _, event, cx| match event {
            crate::contact_list::Event::Dismissed => cx.emit(Event::Dismissed),
+            crate::contact_list::Event::ToggleContactFinder => {
+                this.toggle_contact_finder(&Default::default(), cx)
+            }
        }));
        self.child = Child::ContactList(child);
        cx.notify();
@@ -85,79 +107,24 @@ impl View for ContactsPopover {
        "ContactsPopover"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let theme = cx.global::<Settings>().theme.clone();
        let child = match &self.child {
            Child::ContactList(child) => ChildView::new(child, cx),
            Child::ContactFinder(child) => ChildView::new(child, cx),
        };

-        MouseEventHandler::<ContactsPopover>::new(0, cx, |_, cx| {
+        MouseEventHandler::<ContactsPopover, Self>::new(0, cx, |_, _| {
            Flex::column()
-                .with_child(child.flex(1., true).boxed())
-                .with_children(
-                    self.user_store
-                        .read(cx)
-                        .invite_info()
-                        .cloned()
-                        .and_then(|info| {
-                            enum InviteLink {}
-
-                            if info.count > 0 {
-                                Some(
-                                    MouseEventHandler::<InviteLink>::new(0, cx, |state, cx| {
-                                        let style = theme
-                                            .contacts_popover
-                                            .invite_row
-                                            .style_for(state, false)
-                                            .clone();
-
-                                        let copied =
-                                            cx.read_from_clipboard().map_or(false, |item| {
-                                                item.text().as_str() == info.url.as_ref()
-                                            });
-
-                                        Label::new(
-                                            format!(
-                                                "{} invite link ({} left)",
-                                                if copied { "Copied" } else { "Copy" },
-                                                info.count
-                                            ),
-                                            style.label.clone(),
-                                        )
-                                        .aligned()
-                                        .left()
-                                        .constrained()
-                                        .with_height(theme.contacts_popover.invite_row_height)
-                                        .contained()
-                                        .with_style(style.container)
-                                        .boxed()
-                                    })
-                                    .with_cursor_style(CursorStyle::PointingHand)
-                                    .on_click(MouseButton::Left, move |_, cx| {
-                                        cx.write_to_clipboard(ClipboardItem::new(
-                                            info.url.to_string(),
-                                        ));
-                                        cx.notify();
-                                    })
-                                    .boxed(),
-                                )
-                            } else {
-                                None
-                            }
-                        }),
-                )
+                .with_child(child.flex(1., true))
                .contained()
                .with_style(theme.contacts_popover.container)
                .constrained()
                .with_width(theme.contacts_popover.width)
                .with_height(theme.contacts_popover.height)
-                .boxed()
        })
-        .on_down_out(MouseButton::Left, move |_, cx| {
-            cx.dispatch_action(ToggleContactsMenu);
-        })
-        .boxed()
+        .on_down_out(MouseButton::Left, move |_, _, cx| cx.emit(Event::Dismissed))
+        .into_any()
    }

    fn focus_in(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
--- a/crates/collab_ui/src/face_pile.rs
+++ b/crates/collab_ui/src/face_pile.rs
@@ -7,12 +7,14 @@ use gpui::{
    },
    json::ToJson,
    serde_json::{self, json},
-    Axis, DebugContext, Element, ElementBox, MeasurementContext, PaintContext,
+    AnyElement, Axis, Element, LayoutContext, SceneBuilder, ViewContext,
 };

+use crate::CollabTitlebarItem;
+
 pub(crate) struct FacePile {
    overlap: f32,
-    faces: Vec<ElementBox>,
+    faces: Vec<AnyElement<CollabTitlebarItem>>,
 }

 impl FacePile {
@@ -24,20 +26,21 @@ impl FacePile {
    }
 }

-impl Element for FacePile {
+impl Element<CollabTitlebarItem> for FacePile {
    type LayoutState = ();
    type PaintState = ();

    fn layout(
        &mut self,
        constraint: gpui::SizeConstraint,
-        cx: &mut gpui::LayoutContext,
+        view: &mut CollabTitlebarItem,
+        cx: &mut LayoutContext<CollabTitlebarItem>,
    ) -> (Vector2F, Self::LayoutState) {
        debug_assert!(constraint.max_along(Axis::Horizontal) == f32::INFINITY);

        let mut width = 0.;
        for face in &mut self.faces {
-            width += face.layout(constraint, cx).x();
+            width += face.layout(constraint, view, cx).x();
        }
        width -= self.overlap * self.faces.len().saturating_sub(1) as f32;

@@ -46,10 +49,12 @@ impl Element for FacePile {

    fn paint(
        &mut self,
+        scene: &mut SceneBuilder,
        bounds: RectF,
        visible_bounds: RectF,
        _layout: &mut Self::LayoutState,
-        cx: &mut PaintContext,
+        view: &mut CollabTitlebarItem,
+        cx: &mut ViewContext<CollabTitlebarItem>,
    ) -> Self::PaintState {
        let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();

@@ -59,8 +64,8 @@ impl Element for FacePile {
        for face in self.faces.iter_mut().rev() {
            let size = face.size();
            origin_x -= size.x();
-            cx.paint_layer(None, |cx| {
-                face.paint(vec2f(origin_x, origin_y), visible_bounds, cx);
+            scene.paint_layer(None, |scene| {
+                face.paint(scene, vec2f(origin_x, origin_y), visible_bounds, view, cx);
            });
            origin_x += self.overlap;
        }
@@ -75,7 +80,8 @@ impl Element for FacePile {
        _: RectF,
        _: &Self::LayoutState,
        _: &Self::PaintState,
-        _: &MeasurementContext,
+        _: &CollabTitlebarItem,
+        _: &ViewContext<CollabTitlebarItem>,
    ) -> Option<RectF> {
        None
    }
@@ -85,7 +91,8 @@ impl Element for FacePile {
        bounds: RectF,
        _: &Self::LayoutState,
        _: &Self::PaintState,
-        _: &DebugContext,
+        _: &CollabTitlebarItem,
+        _: &ViewContext<CollabTitlebarItem>,
    ) -> serde_json::Value {
        json!({
            "type": "FacePile",
@@ -94,8 +101,8 @@ impl Element for FacePile {
    }
 }

-impl Extend<ElementBox> for FacePile {
-    fn extend<T: IntoIterator<Item = ElementBox>>(&mut self, children: T) {
+impl Extend<AnyElement<CollabTitlebarItem>> for FacePile {
+    fn extend<T: IntoIterator<Item = AnyElement<CollabTitlebarItem>>>(&mut self, children: T) {
        self.faces.extend(children);
    }
 }
--- a/crates/collab_ui/src/incoming_call_notification.rs
+++ b/crates/collab_ui/src/incoming_call_notification.rs
@@ -1,21 +1,20 @@
+use std::sync::{Arc, Weak};
+
 use call::{ActiveCall, IncomingCall};
 use client::proto;
 use futures::StreamExt;
 use gpui::{
    elements::*,
    geometry::{rect::RectF, vector::vec2f},
-    impl_internal_actions, CursorStyle, Entity, MouseButton, MutableAppContext, RenderContext,
-    View, ViewContext, WindowBounds, WindowKind, WindowOptions,
+    platform::{CursorStyle, MouseButton, WindowBounds, WindowKind, WindowOptions},
+    AnyElement, AppContext, Entity, View, ViewContext,
 };
 use settings::Settings;
 use util::ResultExt;
-use workspace::JoinProject;
-
-impl_internal_actions!(incoming_call_notification, [RespondToCall]);
-
-pub fn init(cx: &mut MutableAppContext) {
-    cx.add_action(IncomingCallNotification::respond_to_call);
+use workspace::AppState;

+pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
+    let app_state = Arc::downgrade(app_state);
    let mut incoming_call = ActiveCall::global(cx).read(cx).incoming();
    cx.spawn(|mut cx| async move {
        let mut notification_windows = Vec::new();
@@ -47,7 +46,7 @@ pub fn init(cx: &mut MutableAppContext) {
                            is_movable: false,
                            screen: Some(screen),
                        },
-                        |_| IncomingCallNotification::new(incoming_call.clone()),
+                        |_| IncomingCallNotification::new(incoming_call.clone(), app_state.clone()),
                    );

                    notification_windows.push(window_id);
@@ -65,32 +64,40 @@ struct RespondToCall {

 pub struct IncomingCallNotification {
    call: IncomingCall,
+    app_state: Weak<AppState>,
 }

 impl IncomingCallNotification {
-    pub fn new(call: IncomingCall) -> Self {
-        Self { call }
+    pub fn new(call: IncomingCall, app_state: Weak<AppState>) -> Self {
+        Self { call, app_state }
    }

-    fn respond_to_call(&mut self, action: &RespondToCall, cx: &mut ViewContext<Self>) {
+    fn respond(&mut self, accept: bool, cx: &mut ViewContext<Self>) {
        let active_call = ActiveCall::global(cx);
-        if action.accept {
+        if accept {
            let join = active_call.update(cx, |active_call, cx| active_call.accept_incoming(cx));
            let caller_user_id = self.call.calling_user.id;
            let initial_project_id = self.call.initial_project.as_ref().map(|project| project.id);
-            cx.spawn_weak(|_, mut cx| async move {
-                join.await?;
-                if let Some(project_id) = initial_project_id {
-                    cx.update(|cx| {
-                        cx.dispatch_global_action(JoinProject {
-                            project_id,
-                            follow_user_id: caller_user_id,
-                        })
-                    });
-                }
-                anyhow::Ok(())
-            })
-            .detach_and_log_err(cx);
+            let app_state = self.app_state.clone();
+            cx.app_context()
+                .spawn(|mut cx| async move {
+                    join.await?;
+                    if let Some(project_id) = initial_project_id {
+                        cx.update(|cx| {
+                            if let Some(app_state) = app_state.upgrade() {
+                                workspace::join_remote_project(
+                                    project_id,
+                                    caller_user_id,
+                                    app_state,
+                                    cx,
+                                )
+                                .detach_and_log_err(cx);
+                            }
+                        });
+                    }
+                    anyhow::Ok(())
+                })
+                .detach_and_log_err(cx);
        } else {
            active_call.update(cx, |active_call, _| {
                active_call.decline_incoming().log_err();
@@ -98,7 +105,7 @@ impl IncomingCallNotification {
        }
    }

-    fn render_caller(&self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render_caller(&self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let theme = &cx.global::<Settings>().theme.incoming_call_notification;
        let default_project = proto::ParticipantProject::default();
        let initial_project = self
@@ -108,10 +115,9 @@ impl IncomingCallNotification {
            .unwrap_or(&default_project);
        Flex::row()
            .with_children(self.call.calling_user.avatar.clone().map(|avatar| {
-                Image::new(avatar)
+                Image::from_data(avatar)
                    .with_style(theme.caller_avatar)
                    .aligned()
-                    .boxed()
            }))
            .with_child(
                Flex::column()
@@ -121,8 +127,7 @@ impl IncomingCallNotification {
                            theme.caller_username.text.clone(),
                        )
                        .contained()
-                        .with_style(theme.caller_username.container)
-                        .boxed(),
+                        .with_style(theme.caller_username.container),
                    )
                    .with_child(
                        Label::new(
@@ -137,8 +142,7 @@ impl IncomingCallNotification {
                            theme.caller_message.text.clone(),
                        )
                        .contained()
-                        .with_style(theme.caller_message.container)
-                        .boxed(),
+                        .with_style(theme.caller_message.container),
                    )
                    .with_children(if initial_project.worktree_root_names.is_empty() {
                        None
@@ -149,57 +153,51 @@ impl IncomingCallNotification {
                                theme.worktree_roots.text.clone(),
                            )
                            .contained()
-                            .with_style(theme.worktree_roots.container)
-                            .boxed(),
+                            .with_style(theme.worktree_roots.container),
                        )
                    })
                    .contained()
                    .with_style(theme.caller_metadata)
-                    .aligned()
-                    .boxed(),
+                    .aligned(),
            )
            .contained()
            .with_style(theme.caller_container)
            .flex(1., true)
-            .boxed()
+            .into_any()
    }

-    fn render_buttons(&self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render_buttons(&self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        enum Accept {}
        enum Decline {}

        Flex::column()
            .with_child(
-                MouseEventHandler::<Accept>::new(0, cx, |_, cx| {
+                MouseEventHandler::<Accept, Self>::new(0, cx, |_, cx| {
                    let theme = &cx.global::<Settings>().theme.incoming_call_notification;
                    Label::new("Accept", theme.accept_button.text.clone())
                        .aligned()
                        .contained()
                        .with_style(theme.accept_button.container)
-                        .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, |_, cx| {
-                    cx.dispatch_action(RespondToCall { accept: true });
+                .on_click(MouseButton::Left, |_, this, cx| {
+                    this.respond(true, cx);
                })
-                .flex(1., true)
-                .boxed(),
+                .flex(1., true),
            )
            .with_child(
-                MouseEventHandler::<Decline>::new(0, cx, |_, cx| {
+                MouseEventHandler::<Decline, Self>::new(0, cx, |_, cx| {
                    let theme = &cx.global::<Settings>().theme.incoming_call_notification;
                    Label::new("Decline", theme.decline_button.text.clone())
                        .aligned()
                        .contained()
                        .with_style(theme.decline_button.container)
-                        .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, |_, cx| {
-                    cx.dispatch_action(RespondToCall { accept: false });
+                .on_click(MouseButton::Left, |_, this, cx| {
+                    this.respond(false, cx);
                })
-                .flex(1., true)
-                .boxed(),
+                .flex(1., true),
            )
            .constrained()
            .with_width(
@@ -208,7 +206,7 @@ impl IncomingCallNotification {
                    .incoming_call_notification
                    .button_width,
            )
-            .boxed()
+            .into_any()
    }
 }

@@ -221,7 +219,7 @@ impl View for IncomingCallNotification {
        "IncomingCallNotification"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> gpui::ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let background = cx
            .global::<Settings>()
            .theme
@@ -234,6 +232,6 @@ impl View for IncomingCallNotification {
            .contained()
            .with_background_color(background)
            .expanded()
-            .boxed()
+            .into_any()
    }
 }
--- a/crates/collab_ui/src/notifications.rs
+++ b/crates/collab_ui/src/notifications.rs
@@ -1,7 +1,8 @@
 use client::User;
 use gpui::{
-    elements::*, platform::CursorStyle, Action, Element, ElementBox, MouseButton, RenderContext,
-    View,
+    elements::*,
+    platform::{CursorStyle, MouseButton},
+    AnyElement, Element, View, ViewContext,
 };
 use settings::Settings;
 use std::sync::Arc;
@@ -9,14 +10,18 @@ use std::sync::Arc;
 enum Dismiss {}
 enum Button {}

-pub fn render_user_notification<V: View, A: Action + Clone>(
+pub fn render_user_notification<F, V>(
    user: Arc<User>,
    title: &'static str,
    body: Option<&'static str>,
-    dismiss_action: A,
-    buttons: Vec<(&'static str, Box<dyn Action>)>,
-    cx: &mut RenderContext<V>,
-) -> ElementBox {
+    on_dismiss: F,
+    buttons: Vec<(&'static str, Box<dyn Fn(&mut V, &mut ViewContext<V>)>)>,
+    cx: &mut ViewContext<V>,
+) -> AnyElement<V>
+where
+    F: 'static + Fn(&mut V, &mut ViewContext<V>),
+    V: View,
+{
    let theme = cx.global::<Settings>().theme.clone();
    let theme = &theme.contact_notification;

@@ -24,7 +29,7 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
        .with_child(
            Flex::row()
                .with_children(user.avatar.clone().map(|avatar| {
-                    Image::new(avatar)
+                    Image::from_data(avatar)
                        .with_style(theme.header_avatar)
                        .aligned()
                        .constrained()
@@ -34,7 +39,6 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
                        )
                        .aligned()
                        .top()
-                        .boxed()
                }))
                .with_child(
                    Text::new(
@@ -46,11 +50,10 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
                    .aligned()
                    .top()
                    .left()
-                    .flex(1., true)
-                    .boxed(),
+                    .flex(1., true),
                )
                .with_child(
-                    MouseEventHandler::<Dismiss>::new(user.id as usize, cx, |state, _| {
+                    MouseEventHandler::<Dismiss, V>::new(user.id as usize, cx, |state, _| {
                        let style = theme.dismiss_button.style_for(state, false);
                        Svg::new("icons/x_mark_8.svg")
                            .with_color(style.color)
@@ -62,13 +65,10 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
                            .constrained()
                            .with_width(style.button_width)
                            .with_height(style.button_width)
-                            .boxed()
                    })
                    .with_cursor_style(CursorStyle::PointingHand)
                    .with_padding(Padding::uniform(5.))
-                    .on_click(MouseButton::Left, move |_, cx| {
-                        cx.dispatch_any_action(dismiss_action.boxed_clone())
-                    })
+                    .on_click(MouseButton::Left, move |_, view, cx| on_dismiss(view, cx))
                    .aligned()
                    .constrained()
                    .with_height(
@@ -77,16 +77,14 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
                    )
                    .aligned()
                    .top()
-                    .flex_float()
-                    .boxed(),
+                    .flex_float(),
                )
-                .named("contact notification header"),
+                .into_any_named("contact notification header"),
        )
        .with_children(body.map(|body| {
            Label::new(body, theme.body_message.text.clone())
                .contained()
                .with_style(theme.body_message.container)
-                .boxed()
        }))
        .with_children(if buttons.is_empty() {
            None
@@ -94,26 +92,21 @@ pub fn render_user_notification<V: View, A: Action + Clone>(
            Some(
                Flex::row()
                    .with_children(buttons.into_iter().enumerate().map(
-                        |(ix, (message, action))| {
-                            MouseEventHandler::<Button>::new(ix, cx, |state, _| {
+                        |(ix, (message, handler))| {
+                            MouseEventHandler::<Button, V>::new(ix, cx, |state, _| {
                                let button = theme.button.style_for(state, false);
                                Label::new(message, button.text.clone())
                                    .contained()
                                    .with_style(button.container)
-                                    .boxed()
                            })
                            .with_cursor_style(CursorStyle::PointingHand)
-                            .on_click(MouseButton::Left, move |_, cx| {
-                                cx.dispatch_any_action(action.boxed_clone())
-                            })
-                            .boxed()
+                            .on_click(MouseButton::Left, move |_, view, cx| handler(view, cx))
                        },
                    ))
                    .aligned()
-                    .right()
-                    .boxed(),
+                    .right(),
            )
        })
        .contained()
-        .boxed()
+        .into_any()
 }
--- a/crates/collab_ui/src/project_shared_notification.rs
+++ b/crates/collab_ui/src/project_shared_notification.rs
@@ -2,22 +2,17 @@ use call::{room, ActiveCall};
 use client::User;
 use collections::HashMap;
 use gpui::{
-    actions,
    elements::*,
    geometry::{rect::RectF, vector::vec2f},
-    CursorStyle, Entity, MouseButton, MutableAppContext, RenderContext, View, ViewContext,
-    WindowBounds, WindowKind, WindowOptions,
+    platform::{CursorStyle, MouseButton, WindowBounds, WindowKind, WindowOptions},
+    AppContext, Entity, View, ViewContext,
 };
 use settings::Settings;
-use std::sync::Arc;
-use workspace::JoinProject;
-
-actions!(project_shared_notification, [DismissProject]);
-
-pub fn init(cx: &mut MutableAppContext) {
-    cx.add_action(ProjectSharedNotification::join);
-    cx.add_action(ProjectSharedNotification::dismiss);
+use std::sync::{Arc, Weak};
+use workspace::AppState;

+pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
+    let app_state = Arc::downgrade(app_state);
    let active_call = ActiveCall::global(cx);
    let mut notification_windows = HashMap::default();
    cx.subscribe(&active_call, move |_, event, cx| match event {
@@ -50,6 +45,7 @@ pub fn init(cx: &mut MutableAppContext) {
                            owner.clone(),
                            *project_id,
                            worktree_root_names.clone(),
+                            app_state.clone(),
                        )
                    },
                );
@@ -62,14 +58,14 @@ pub fn init(cx: &mut MutableAppContext) {
        room::Event::RemoteProjectUnshared { project_id } => {
            if let Some(window_ids) = notification_windows.remove(&project_id) {
                for window_id in window_ids {
-                    cx.remove_window(window_id);
+                    cx.update_window(window_id, |cx| cx.remove_window());
                }
            }
        }
        room::Event::Left => {
            for (_, window_ids) in notification_windows.drain() {
                for window_id in window_ids {
-                    cx.remove_window(window_id);
+                    cx.update_window(window_id, |cx| cx.remove_window());
                }
            }
        }
@@ -82,36 +78,43 @@ pub struct ProjectSharedNotification {
    project_id: u64,
    worktree_root_names: Vec<String>,
    owner: Arc<User>,
+    app_state: Weak<AppState>,
 }

 impl ProjectSharedNotification {
-    fn new(owner: Arc<User>, project_id: u64, worktree_root_names: Vec<String>) -> Self {
+    fn new(
+        owner: Arc<User>,
+        project_id: u64,
+        worktree_root_names: Vec<String>,
+        app_state: Weak<AppState>,
+    ) -> Self {
        Self {
            project_id,
            worktree_root_names,
            owner,
+            app_state,
        }
    }

-    fn join(&mut self, _: &JoinProject, cx: &mut ViewContext<Self>) {
-        let window_id = cx.window_id();
-        cx.remove_window(window_id);
-        cx.propagate_action();
+    fn join(&mut self, cx: &mut ViewContext<Self>) {
+        cx.remove_window();
+        if let Some(app_state) = self.app_state.upgrade() {
+            workspace::join_remote_project(self.project_id, self.owner.id, app_state, cx)
+                .detach_and_log_err(cx);
+        }
    }

-    fn dismiss(&mut self, _: &DismissProject, cx: &mut ViewContext<Self>) {
-        let window_id = cx.window_id();
-        cx.remove_window(window_id);
+    fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
+        cx.remove_window();
    }

-    fn render_owner(&self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render_owner(&self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let theme = &cx.global::<Settings>().theme.project_shared_notification;
        Flex::row()
            .with_children(self.owner.avatar.clone().map(|avatar| {
-                Image::new(avatar)
+                Image::from_data(avatar)
                    .with_style(theme.owner_avatar)
                    .aligned()
-                    .boxed()
            }))
            .with_child(
                Flex::column()
@@ -121,8 +124,7 @@ impl ProjectSharedNotification {
                            theme.owner_username.text.clone(),
                        )
                        .contained()
-                        .with_style(theme.owner_username.container)
-                        .boxed(),
+                        .with_style(theme.owner_username.container),
                    )
                    .with_child(
                        Label::new(
@@ -137,8 +139,7 @@ impl ProjectSharedNotification {
                            theme.message.text.clone(),
                        )
                        .contained()
-                        .with_style(theme.message.container)
-                        .boxed(),
+                        .with_style(theme.message.container),
                    )
                    .with_children(if self.worktree_root_names.is_empty() {
                        None
@@ -149,63 +150,49 @@ impl ProjectSharedNotification {
                                theme.worktree_roots.text.clone(),
                            )
                            .contained()
-                            .with_style(theme.worktree_roots.container)
-                            .boxed(),
+                            .with_style(theme.worktree_roots.container),
                        )
                    })
                    .contained()
                    .with_style(theme.owner_metadata)
-                    .aligned()
-                    .boxed(),
+                    .aligned(),
            )
            .contained()
            .with_style(theme.owner_container)
            .flex(1., true)
-            .boxed()
+            .into_any()
    }

-    fn render_buttons(&self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render_buttons(&self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        enum Open {}
        enum Dismiss {}

-        let project_id = self.project_id;
-        let owner_user_id = self.owner.id;
-
        Flex::column()
            .with_child(
-                MouseEventHandler::<Open>::new(0, cx, |_, cx| {
+                MouseEventHandler::<Open, Self>::new(0, cx, |_, cx| {
                    let theme = &cx.global::<Settings>().theme.project_shared_notification;
                    Label::new("Open", theme.open_button.text.clone())
                        .aligned()
                        .contained()
                        .with_style(theme.open_button.container)
-                        .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, cx| {
-                    cx.dispatch_action(JoinProject {
-                        project_id,
-                        follow_user_id: owner_user_id,
-                    });
-                })
-                .flex(1., true)
-                .boxed(),
+                .on_click(MouseButton::Left, move |_, this, cx| this.join(cx))
+                .flex(1., true),
            )
            .with_child(
-                MouseEventHandler::<Dismiss>::new(0, cx, |_, cx| {
+                MouseEventHandler::<Dismiss, Self>::new(0, cx, |_, cx| {
                    let theme = &cx.global::<Settings>().theme.project_shared_notification;
                    Label::new("Dismiss", theme.dismiss_button.text.clone())
                        .aligned()
                        .contained()
                        .with_style(theme.dismiss_button.container)
-                        .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, |_, cx| {
-                    cx.dispatch_action(DismissProject);
+                .on_click(MouseButton::Left, |_, this, cx| {
+                    this.dismiss(cx);
                })
-                .flex(1., true)
-                .boxed(),
+                .flex(1., true),
            )
            .constrained()
            .with_width(
@@ -214,7 +201,7 @@ impl ProjectSharedNotification {
                    .project_shared_notification
                    .button_width,
            )
-            .boxed()
+            .into_any()
    }
 }

@@ -227,7 +214,7 @@ impl View for ProjectSharedNotification {
        "ProjectSharedNotification"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> gpui::ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> gpui::AnyElement<Self> {
        let background = cx
            .global::<Settings>()
            .theme
@@ -239,6 +226,6 @@ impl View for ProjectSharedNotification {
            .contained()
            .with_background_color(background)
            .expanded()
-            .boxed()
+            .into_any()
    }
 }
--- a/crates/collab_ui/src/sharing_status_indicator.rs
+++ b/crates/collab_ui/src/sharing_status_indicator.rs
@@ -1,14 +1,14 @@
+use crate::toggle_screen_sharing;
 use call::ActiveCall;
 use gpui::{
    color::Color,
    elements::{MouseEventHandler, Svg},
-    Appearance, Element, ElementBox, Entity, MouseButton, MutableAppContext, RenderContext, View,
+    platform::{Appearance, MouseButton},
+    AnyElement, AppContext, Element, Entity, View, ViewContext,
 };
 use settings::Settings;

-use crate::ToggleScreenSharing;
-
-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    let active_call = ActiveCall::global(cx);

    let mut status_indicator = None;
@@ -19,8 +19,10 @@ pub fn init(cx: &mut MutableAppContext) {
                    status_indicator = Some(cx.add_status_bar_item(|_| SharingStatusIndicator));
                }
            } else if let Some((window_id, _)) = status_indicator.take() {
-                cx.remove_status_bar_item(window_id);
+                cx.update_window(window_id, |cx| cx.remove_window());
            }
+        } else if let Some((window_id, _)) = status_indicator.take() {
+            cx.update_window(window_id, |cx| cx.remove_window());
        }
    })
    .detach();
@@ -37,23 +39,22 @@ impl View for SharingStatusIndicator {
        "SharingStatusIndicator"
    }

-    fn render(&mut self, cx: &mut RenderContext<'_, Self>) -> ElementBox {
-        let color = match cx.appearance {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+        let color = match cx.window_appearance() {
            Appearance::Light | Appearance::VibrantLight => Color::black(),
            Appearance::Dark | Appearance::VibrantDark => Color::white(),
        };

-        MouseEventHandler::<Self>::new(0, cx, |_, _| {
+        MouseEventHandler::<Self, Self>::new(0, cx, |_, _| {
            Svg::new("icons/disable_screen_sharing_12.svg")
                .with_color(color)
                .constrained()
                .with_width(18.)
                .aligned()
-                .boxed()
        })
-        .on_click(MouseButton::Left, |_, cx| {
-            cx.dispatch_action(ToggleScreenSharing);
+        .on_click(MouseButton::Left, |_, _, cx| {
+            toggle_screen_sharing(&Default::default(), cx)
        })
-        .boxed()
+        .into_any()
    }
 }
--- a/crates/collections/src/collections.rs
+++ b/crates/collections/src/collections.rs
@@ -24,3 +24,10 @@ pub type HashMap<K, V> = std::collections::HashMap<K, V>;
 pub type HashSet<T> = std::collections::HashSet<T>;

 pub use std::collections::*;
+
+// NEW TYPES
+
+#[derive(Default)]
+pub struct CommandPaletteFilter {
+    pub filtered_namespaces: HashSet<&'static str>,
+}
--- a/crates/command_palette/Cargo.toml
+++ b/crates/command_palette/Cargo.toml
@@ -24,7 +24,7 @@ workspace = { path = "../workspace" }
 gpui = { path = "../gpui", features = ["test-support"] }
 editor = { path = "../editor", features = ["test-support"] }
 project = { path = "../project", features = ["test-support"] }
-serde_json = { version = "1.0", features = ["preserve_order"] }
+serde_json.workspace = true
 workspace = { path = "../workspace", features = ["test-support"] }
-ctor = "0.1"
-env_logger = "0.9"
+ctor.workspace = true
+env_logger.workspace = true
--- a/crates/command_palette/src/command_palette.rs
+++ b/crates/command_palette/src/command_palette.rs
@@ -1,31 +1,25 @@
-use collections::HashSet;
+use collections::CommandPaletteFilter;
 use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{
-    actions,
-    elements::{ChildView, Flex, Label, ParentElement},
-    keymap_matcher::Keystroke,
-    Action, AnyViewHandle, Element, Entity, MouseState, MutableAppContext, RenderContext, View,
-    ViewContext, ViewHandle,
+    actions, elements::*, keymap_matcher::Keystroke, Action, AppContext, Element, MouseState,
+    ViewContext,
 };
-use picker::{Picker, PickerDelegate};
+use picker::{Picker, PickerDelegate, PickerEvent};
 use settings::Settings;
 use std::cmp;
+use util::ResultExt;
 use workspace::Workspace;

-#[derive(Default)]
-pub struct CommandPaletteFilter {
-    pub filtered_namespaces: HashSet<&'static str>,
-}
-
-pub fn init(cx: &mut MutableAppContext) {
-    cx.add_action(CommandPalette::toggle);
-    Picker::<CommandPalette>::init(cx);
+pub fn init(cx: &mut AppContext) {
+    cx.add_action(toggle_command_palette);
+    CommandPalette::init(cx);
 }

 actions!(command_palette, [Toggle]);

-pub struct CommandPalette {
-    picker: ViewHandle<Picker<Self>>,
+pub type CommandPalette = Picker<CommandPaletteDelegate>;
+
+pub struct CommandPaletteDelegate {
    actions: Vec<Command>,
    matches: Vec<StringMatch>,
    selected_ix: usize,
@@ -47,104 +41,29 @@ struct Command {
    keystrokes: Vec<Keystroke>,
 }

-impl CommandPalette {
-    pub fn new(focused_view_id: usize, cx: &mut ViewContext<Self>) -> Self {
-        let this = cx.weak_handle();
-        let actions = cx
-            .available_actions(cx.window_id(), focused_view_id)
-            .filter_map(|(name, action, bindings)| {
-                if cx.has_global::<CommandPaletteFilter>() {
-                    let filter = cx.global::<CommandPaletteFilter>();
-                    if filter.filtered_namespaces.contains(action.namespace()) {
-                        return None;
-                    }
-                }
+fn toggle_command_palette(workspace: &mut Workspace, _: &Toggle, cx: &mut ViewContext<Workspace>) {
+    let focused_view_id = cx.focused_view_id().unwrap_or_else(|| cx.view_id());
+    workspace.toggle_modal(cx, |_, cx| {
+        cx.add_view(|cx| Picker::new(CommandPaletteDelegate::new(focused_view_id), cx))
+    });
+}

-                Some(Command {
-                    name: humanize_action_name(name),
-                    action,
-                    keystrokes: bindings
-                        .iter()
-                        .map(|binding| binding.keystrokes())
-                        .last()
-                        .map_or(Vec::new(), |keystrokes| keystrokes.to_vec()),
-                })
-            })
-            .collect();
-
-        let picker = cx.add_view(|cx| Picker::new("Execute a command...", this, cx));
+impl CommandPaletteDelegate {
+    pub fn new(focused_view_id: usize) -> Self {
        Self {
-            picker,
-            actions,
+            actions: Default::default(),
            matches: vec![],
            selected_ix: 0,
            focused_view_id,
        }
    }
-
-    fn toggle(_: &mut Workspace, _: &Toggle, cx: &mut ViewContext<Workspace>) {
-        let workspace = cx.handle();
-        let window_id = cx.window_id();
-        let focused_view_id = cx
-            .focused_view_id(window_id)
-            .unwrap_or_else(|| workspace.id());
-
-        cx.as_mut().defer(move |cx| {
-            let this = cx.add_view(workspace.clone(), |cx| Self::new(focused_view_id, cx));
-            workspace.update(cx, |workspace, cx| {
-                workspace.toggle_modal(cx, |_, cx| {
-                    cx.subscribe(&this, Self::on_event).detach();
-                    this
-                });
-            });
-        });
-    }
-
-    fn on_event(
-        workspace: &mut Workspace,
-        _: ViewHandle<Self>,
-        event: &Event,
-        cx: &mut ViewContext<Workspace>,
-    ) {
-        match event {
-            Event::Dismissed => workspace.dismiss_modal(cx),
-            Event::Confirmed {
-                window_id,
-                focused_view_id,
-                action,
-            } => {
-                let window_id = *window_id;
-                let focused_view_id = *focused_view_id;
-                let action = action.boxed_clone();
-                workspace.dismiss_modal(cx);
-                cx.as_mut()
-                    .defer(move |cx| cx.dispatch_any_action_at(window_id, focused_view_id, action))
-            }
-        }
-    }
 }

-impl Entity for CommandPalette {
-    type Event = Event;
-}
-
-impl View for CommandPalette {
-    fn ui_name() -> &'static str {
-        "CommandPalette"
+impl PickerDelegate for CommandPaletteDelegate {
+    fn placeholder_text(&self) -> std::sync::Arc<str> {
+        "Execute a command...".into()
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> gpui::ElementBox {
-        ChildView::new(self.picker.clone(), cx).boxed()
-    }
-
-    fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
-        if cx.is_self_focused() {
-            cx.focus(&self.picker);
-        }
-    }
-}
-
-impl PickerDelegate for CommandPalette {
    fn match_count(&self) -> usize {
        self.matches.len()
    }
@@ -153,26 +72,55 @@ impl PickerDelegate for CommandPalette {
        self.selected_ix
    }

-    fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Self>) {
+    fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Picker<Self>>) {
        self.selected_ix = ix;
    }

    fn update_matches(
        &mut self,
        query: String,
-        cx: &mut gpui::ViewContext<Self>,
+        cx: &mut ViewContext<Picker<Self>>,
    ) -> gpui::Task<()> {
-        let candidates = self
-            .actions
-            .iter()
-            .enumerate()
-            .map(|(ix, command)| StringMatchCandidate {
-                id: ix,
-                string: command.name.to_string(),
-                char_bag: command.name.chars().collect(),
-            })
-            .collect::<Vec<_>>();
-        cx.spawn(move |this, mut cx| async move {
+        let window_id = cx.window_id();
+        let view_id = self.focused_view_id;
+        cx.spawn(move |picker, mut cx| async move {
+            let actions = cx
+                .available_actions(window_id, view_id)
+                .into_iter()
+                .filter_map(|(name, action, bindings)| {
+                    let filtered = cx.read(|cx| {
+                        if cx.has_global::<CommandPaletteFilter>() {
+                            let filter = cx.global::<CommandPaletteFilter>();
+                            filter.filtered_namespaces.contains(action.namespace())
+                        } else {
+                            false
+                        }
+                    });
+
+                    if filtered {
+                        None
+                    } else {
+                        Some(Command {
+                            name: humanize_action_name(name),
+                            action,
+                            keystrokes: bindings
+                                .iter()
+                                .map(|binding| binding.keystrokes())
+                                .last()
+                                .map_or(Vec::new(), |keystrokes| keystrokes.to_vec()),
+                        })
+                    }
+                })
+                .collect::<Vec<_>>();
+            let candidates = actions
+                .iter()
+                .enumerate()
+                .map(|(ix, command)| StringMatchCandidate {
+                    id: ix,
+                    string: command.name.to_string(),
+                    char_bag: command.name.chars().collect(),
+                })
+                .collect::<Vec<_>>();
            let matches = if query.is_empty() {
                candidates
                    .into_iter()
@@ -195,32 +143,37 @@ impl PickerDelegate for CommandPalette {
                )
                .await
            };
-            this.update(&mut cx, |this, _| {
-                this.matches = matches;
-                if this.matches.is_empty() {
-                    this.selected_ix = 0;
-                } else {
-                    this.selected_ix = cmp::min(this.selected_ix, this.matches.len() - 1);
-                }
-            });
+            picker
+                .update(&mut cx, |picker, _| {
+                    let delegate = picker.delegate_mut();
+                    delegate.actions = actions;
+                    delegate.matches = matches;
+                    if delegate.matches.is_empty() {
+                        delegate.selected_ix = 0;
+                    } else {
+                        delegate.selected_ix =
+                            cmp::min(delegate.selected_ix, delegate.matches.len() - 1);
+                    }
+                })
+                .log_err();
        })
    }

-    fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
-        cx.emit(Event::Dismissed);
-    }
+    fn dismissed(&mut self, _cx: &mut ViewContext<Picker<Self>>) {}

-    fn confirm(&mut self, cx: &mut ViewContext<Self>) {
+    fn confirm(&mut self, cx: &mut ViewContext<Picker<Self>>) {
        if !self.matches.is_empty() {
+            let window_id = cx.window_id();
+            let focused_view_id = self.focused_view_id;
            let action_ix = self.matches[self.selected_ix].candidate_id;
-            cx.emit(Event::Confirmed {
-                window_id: cx.window_id(),
-                focused_view_id: self.focused_view_id,
-                action: self.actions.remove(action_ix).action,
-            });
-        } else {
-            cx.emit(Event::Dismissed);
+            let action = self.actions.remove(action_ix).action;
+            cx.app_context()
+                .spawn(move |mut cx| async move {
+                    cx.dispatch_action(window_id, focused_view_id, action.as_ref())
+                })
+                .detach_and_log_err(cx);
        }
+        cx.emit(PickerEvent::Dismiss);
    }

    fn render_match(
@@ -229,7 +182,7 @@ impl PickerDelegate for CommandPalette {
        mouse_state: &mut MouseState,
        selected: bool,
        cx: &gpui::AppContext,
-    ) -> gpui::ElementBox {
+    ) -> AnyElement<Picker<Self>> {
        let mat = &self.matches[ix];
        let command = &self.actions[mat.candidate_id];
        let settings = cx.global::<Settings>();
@@ -241,8 +194,7 @@ impl PickerDelegate for CommandPalette {
        Flex::row()
            .with_child(
                Label::new(mat.string.clone(), style.label.clone())
-                    .with_highlights(mat.positions.clone())
-                    .boxed(),
+                    .with_highlights(mat.positions.clone()),
            )
            .with_children(command.keystrokes.iter().map(|keystroke| {
                Flex::row()
@@ -259,8 +211,7 @@ impl PickerDelegate for CommandPalette {
                                Some(
                                    Label::new(label, key_style.label.clone())
                                        .contained()
-                                        .with_style(key_style.container)
-                                        .boxed(),
+                                        .with_style(key_style.container),
                                )
                            } else {
                                None
@@ -270,17 +221,15 @@ impl PickerDelegate for CommandPalette {
                    .with_child(
                        Label::new(keystroke.key.clone(), key_style.label.clone())
                            .contained()
-                            .with_style(key_style.container)
-                            .boxed(),
+                            .with_style(key_style.container),
                    )
                    .contained()
                    .with_margin_left(keystroke_spacing)
                    .flex_float()
-                    .boxed()
            }))
            .contained()
            .with_style(style.container)
-            .boxed()
+            .into_any()
    }
 }

@@ -319,9 +268,11 @@ impl std::fmt::Debug for Command {

 #[cfg(test)]
 mod tests {
+    use std::sync::Arc;
+
    use super::*;
    use editor::Editor;
-    use gpui::TestAppContext;
+    use gpui::{executor::Deterministic, TestAppContext};
    use project::Project;
    use workspace::{AppState, Workspace};

@@ -342,7 +293,8 @@ mod tests {
    }

    #[gpui::test]
-    async fn test_command_palette(cx: &mut TestAppContext) {
+    async fn test_command_palette(deterministic: Arc<Deterministic>, cx: &mut TestAppContext) {
+        deterministic.forbid_parking();
        let app_state = cx.update(AppState::test);

        cx.update(|cx| {
@@ -352,22 +304,20 @@ mod tests {
        });

        let project = Project::test(app_state.fs.clone(), [], cx).await;
-        let (_, workspace) = cx.add_window(|cx| {
-            Workspace::new(Default::default(), 0, project, |_, _| unimplemented!(), cx)
-        });
-        let editor = cx.add_view(&workspace, |cx| {
+        let (window_id, workspace) = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
+        let editor = cx.add_view(window_id, |cx| {
            let mut editor = Editor::single_line(None, cx);
            editor.set_text("abc", cx);
            editor
        });

        workspace.update(cx, |workspace, cx| {
-            cx.focus(editor.clone());
+            cx.focus(&editor);
            workspace.add_item(Box::new(editor.clone()), cx)
        });

        workspace.update(cx, |workspace, cx| {
-            CommandPalette::toggle(workspace, &Toggle, cx)
+            toggle_command_palette(workspace, &Toggle, cx);
        });

        let palette = workspace.read_with(cx, |workspace, _| {
@@ -376,15 +326,17 @@ mod tests {

        palette
            .update(cx, |palette, cx| {
-                palette.update_matches("bcksp".to_string(), cx)
+                palette
+                    .delegate_mut()
+                    .update_matches("bcksp".to_string(), cx)
            })
            .await;

        palette.update(cx, |palette, cx| {
-            assert_eq!(palette.matches[0].string, "editor: backspace");
-            palette.confirm(cx);
+            assert_eq!(palette.delegate().matches[0].string, "editor: backspace");
+            palette.confirm(&Default::default(), cx);
        });
-
+        deterministic.run_until_parked();
        editor.read_with(cx, |editor, cx| {
            assert_eq!(editor.text(cx), "ab");
        });
@@ -397,7 +349,7 @@ mod tests {
        });

        workspace.update(cx, |workspace, cx| {
-            CommandPalette::toggle(workspace, &Toggle, cx);
+            toggle_command_palette(workspace, &Toggle, cx);
        });

        // Assert editor command not present
@@ -407,10 +359,14 @@ mod tests {

        palette
            .update(cx, |palette, cx| {
-                palette.update_matches("bcksp".to_string(), cx)
+                palette
+                    .delegate_mut()
+                    .update_matches("bcksp".to_string(), cx)
            })
            .await;

-        palette.update(cx, |palette, _| assert!(palette.matches.is_empty()));
+        palette.update(cx, |palette, _| {
+            assert!(palette.delegate().matches.is_empty())
+        });
    }
 }
--- a/crates/context_menu/Cargo.toml
+++ b/crates/context_menu/Cargo.toml
@@ -13,4 +13,4 @@ gpui = { path = "../gpui" }
 menu = { path = "../menu" }
 settings = { path = "../settings" }
 theme = { path = "../theme" }
-smallvec = "1.6"
+smallvec.workspace = true
--- a/crates/context_menu/src/context_menu.rs
+++ b/crates/context_menu/src/context_menu.rs
@@ -1,40 +1,100 @@
 use gpui::{
-    elements::*, geometry::vector::Vector2F, impl_internal_actions, keymap_matcher::KeymapContext,
-    platform::CursorStyle, Action, AnyViewHandle, AppContext, Axis, Entity, MouseButton,
-    MutableAppContext, RenderContext, SizeConstraint, Subscription, View, ViewContext,
+    anyhow,
+    elements::*,
+    geometry::vector::Vector2F,
+    keymap_matcher::KeymapContext,
+    platform::{CursorStyle, MouseButton},
+    Action, AnyViewHandle, AppContext, Axis, Entity, MouseState, SizeConstraint, Subscription,
+    View, ViewContext,
 };
 use menu::*;
 use settings::Settings;
-use std::{any::TypeId, time::Duration};
+use std::{any::TypeId, borrow::Cow, sync::Arc, time::Duration};

-#[derive(Copy, Clone, PartialEq)]
-struct Clicked;
-
-impl_internal_actions!(context_menu, [Clicked]);
-
-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(ContextMenu::select_first);
    cx.add_action(ContextMenu::select_last);
    cx.add_action(ContextMenu::select_next);
    cx.add_action(ContextMenu::select_prev);
-    cx.add_action(ContextMenu::clicked);
    cx.add_action(ContextMenu::confirm);
    cx.add_action(ContextMenu::cancel);
 }

+pub type StaticItem = Box<dyn Fn(&mut AppContext) -> AnyElement<ContextMenu>>;
+
+type ContextMenuItemBuilder =
+    Box<dyn Fn(&mut MouseState, &theme::ContextMenuItem) -> AnyElement<ContextMenu>>;
+
+pub enum ContextMenuItemLabel {
+    String(Cow<'static, str>),
+    Element(ContextMenuItemBuilder),
+}
+
+impl From<Cow<'static, str>> for ContextMenuItemLabel {
+    fn from(s: Cow<'static, str>) -> Self {
+        Self::String(s)
+    }
+}
+
+impl From<&'static str> for ContextMenuItemLabel {
+    fn from(s: &'static str) -> Self {
+        Self::String(s.into())
+    }
+}
+
+impl From<String> for ContextMenuItemLabel {
+    fn from(s: String) -> Self {
+        Self::String(s.into())
+    }
+}
+
+impl<T> From<T> for ContextMenuItemLabel
+where
+    T: 'static + Fn(&mut MouseState, &theme::ContextMenuItem) -> AnyElement<ContextMenu>,
+{
+    fn from(f: T) -> Self {
+        Self::Element(Box::new(f))
+    }
+}
+
+pub enum ContextMenuItemAction {
+    Action(Box<dyn Action>),
+    Handler(Arc<dyn Fn(&mut ViewContext<ContextMenu>)>),
+}
+
+impl Clone for ContextMenuItemAction {
+    fn clone(&self) -> Self {
+        match self {
+            Self::Action(action) => Self::Action(action.boxed_clone()),
+            Self::Handler(handler) => Self::Handler(handler.clone()),
+        }
+    }
+}
+
 pub enum ContextMenuItem {
    Item {
-        label: String,
-        action: Box<dyn Action>,
+        label: ContextMenuItemLabel,
+        action: ContextMenuItemAction,
    },
+    Static(StaticItem),
    Separator,
 }

 impl ContextMenuItem {
-    pub fn item(label: impl ToString, action: impl 'static + Action) -> Self {
+    pub fn action(label: impl Into<ContextMenuItemLabel>, action: impl 'static + Action) -> Self {
        Self::Item {
-            label: label.to_string(),
-            action: Box::new(action),
+            label: label.into(),
+            action: ContextMenuItemAction::Action(Box::new(action)),
+        }
+    }
+
+    pub fn handler(
+        label: impl Into<ContextMenuItemLabel>,
+        handler: impl 'static + Fn(&mut ViewContext<ContextMenu>),
+    ) -> Self {
+        Self::Item {
+            label: label.into(),
+            action: ContextMenuItemAction::Handler(Arc::new(handler)),
        }
    }

@@ -42,14 +102,17 @@ impl ContextMenuItem {
        Self::Separator
    }

-    fn is_separator(&self) -> bool {
-        matches!(self, Self::Separator)
+    fn is_action(&self) -> bool {
+        matches!(self, Self::Item { .. })
    }

    fn action_id(&self) -> Option<TypeId> {
        match self {
-            ContextMenuItem::Item { action, .. } => Some(action.id()),
-            ContextMenuItem::Separator => None,
+            ContextMenuItem::Item { action, .. } => match action {
+                ContextMenuItemAction::Action(action) => Some(action.id()),
+                ContextMenuItemAction::Handler(_) => None,
+            },
+            ContextMenuItem::Static(..) | ContextMenuItem::Separator => None,
        }
    }
 }
@@ -58,11 +121,11 @@ pub struct ContextMenu {
    show_count: usize,
    anchor_position: Vector2F,
    anchor_corner: AnchorCorner,
+    position_mode: OverlayPositionMode,
    items: Vec<ContextMenuItem>,
    selected_index: Option<usize>,
    visible: bool,
    previously_focused_view_id: Option<usize>,
-    clicked: bool,
    parent_view_id: usize,
    _actions_observation: Subscription,
 }
@@ -76,36 +139,35 @@ impl View for ContextMenu {
        "ContextMenu"
    }

-    fn keymap_context(&self, _: &AppContext) -> KeymapContext {
-        let mut cx = Self::default_keymap_context();
-        cx.set.insert("menu".into());
-        cx
+    fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
+        Self::reset_to_default_keymap_context(keymap);
+        keymap.add_identifier("menu");
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        if !self.visible {
-            return Empty::new().boxed();
+            return Empty::new().into_any();
        }

        // Render the menu once at minimum width.
-        let mut collapsed_menu = self.render_menu_for_measurement(cx).boxed();
-        let expanded_menu = self
-            .render_menu(cx)
-            .constrained()
-            .dynamically(move |constraint, cx| {
-                SizeConstraint::strict_along(
-                    Axis::Horizontal,
-                    collapsed_menu.layout(constraint, cx).x(),
-                )
-            })
-            .boxed();
+        let mut collapsed_menu = self.render_menu_for_measurement(cx);
+        let expanded_menu =
+            self.render_menu(cx)
+                .constrained()
+                .dynamically(move |constraint, view, cx| {
+                    SizeConstraint::strict_along(
+                        Axis::Horizontal,
+                        collapsed_menu.layout(constraint, view, cx).0.x(),
+                    )
+                });

        Overlay::new(expanded_menu)
            .with_hoverable(true)
            .with_fit_mode(OverlayFitMode::SnapToWindow)
            .with_anchor_position(self.anchor_position)
            .with_anchor_corner(self.anchor_corner)
-            .boxed()
+            .with_position_mode(self.position_mode)
+            .into_any()
    }

    fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
@@ -114,18 +176,16 @@ impl View for ContextMenu {
 }

 impl ContextMenu {
-    pub fn new(cx: &mut ViewContext<Self>) -> Self {
-        let parent_view_id = cx.parent().unwrap();
-
+    pub fn new(parent_view_id: usize, cx: &mut ViewContext<Self>) -> Self {
        Self {
            show_count: 0,
            anchor_position: Default::default(),
            anchor_corner: AnchorCorner::TopLeft,
+            position_mode: OverlayPositionMode::Window,
            items: Default::default(),
            selected_index: Default::default(),
            visible: Default::default(),
            previously_focused_view_id: Default::default(),
-            clicked: false,
            parent_view_id,
            _actions_observation: cx.observe_actions(Self::action_dispatched),
        }
@@ -141,28 +201,33 @@ impl ContextMenu {
            .iter()
            .position(|item| item.action_id() == Some(action_id))
        {
-            if self.clicked {
-                self.cancel(&Default::default(), cx);
-            } else {
-                self.selected_index = Some(ix);
-                cx.notify();
-                cx.spawn(|this, mut cx| async move {
-                    cx.background().timer(Duration::from_millis(50)).await;
-                    this.update(&mut cx, |this, cx| this.cancel(&Default::default(), cx));
-                })
-                .detach();
-            }
+            self.selected_index = Some(ix);
+            cx.notify();
+            cx.spawn(|this, mut cx| async move {
+                cx.background().timer(Duration::from_millis(50)).await;
+                this.update(&mut cx, |this, cx| this.cancel(&Default::default(), cx))?;
+                anyhow::Ok(())
+            })
+            .detach_and_log_err(cx);
        }
    }

-    fn clicked(&mut self, _: &Clicked, _: &mut ViewContext<Self>) {
-        self.clicked = true;
-    }
-
    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
        if let Some(ix) = self.selected_index {
            if let Some(ContextMenuItem::Item { action, .. }) = self.items.get(ix) {
-                cx.dispatch_any_action(action.boxed_clone());
+                match action {
+                    ContextMenuItemAction::Action(action) => {
+                        let window_id = cx.window_id();
+                        let view_id = self.parent_view_id;
+                        let action = action.boxed_clone();
+                        cx.app_context()
+                            .spawn(|mut cx| async move {
+                                cx.dispatch_action(window_id, view_id, action.as_ref())
+                            })
+                            .detach_and_log_err(cx);
+                    }
+                    ContextMenuItemAction::Handler(handler) => handler(cx),
+                }
                self.reset(cx);
            }
        }
@@ -183,18 +248,17 @@ impl ContextMenu {
        self.items.clear();
        self.visible = false;
        self.selected_index.take();
-        self.clicked = false;
        cx.notify();
    }

    fn select_first(&mut self, _: &SelectFirst, cx: &mut ViewContext<Self>) {
-        self.selected_index = self.items.iter().position(|item| !item.is_separator());
+        self.selected_index = self.items.iter().position(|item| item.is_action());
        cx.notify();
    }

    fn select_last(&mut self, _: &SelectLast, cx: &mut ViewContext<Self>) {
        for (ix, item) in self.items.iter().enumerate().rev() {
-            if !item.is_separator() {
+            if item.is_action() {
                self.selected_index = Some(ix);
                cx.notify();
                break;
@@ -205,7 +269,7 @@ impl ContextMenu {
    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
        if let Some(ix) = self.selected_index {
            for (ix, item) in self.items.iter().enumerate().skip(ix + 1) {
-                if !item.is_separator() {
+                if item.is_action() {
                    self.selected_index = Some(ix);
                    cx.notify();
                    break;
@@ -219,7 +283,7 @@ impl ContextMenu {
    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
        if let Some(ix) = self.selected_index {
            for (ix, item) in self.items.iter().enumerate().take(ix).rev() {
-                if !item.is_separator() {
+                if item.is_action() {
                    self.selected_index = Some(ix);
                    cx.notify();
                    break;
@@ -234,7 +298,7 @@ impl ContextMenu {
        &mut self,
        anchor_position: Vector2F,
        anchor_corner: AnchorCorner,
-        items: impl IntoIterator<Item = ContextMenuItem>,
+        items: Vec<ContextMenuItem>,
        cx: &mut ViewContext<Self>,
    ) {
        let mut items = items.into_iter().peekable();
@@ -245,7 +309,7 @@ impl ContextMenu {
            self.visible = true;
            self.show_count += 1;
            if !cx.is_self_focused() {
-                self.previously_focused_view_id = cx.focused_view_id(cx.window_id());
+                self.previously_focused_view_id = cx.focused_view_id();
            }
            cx.focus_self();
        } else {
@@ -254,35 +318,46 @@ impl ContextMenu {
        cx.notify();
    }

-    fn render_menu_for_measurement(&self, cx: &mut RenderContext<Self>) -> impl Element {
-        let window_id = cx.window_id();
+    pub fn set_position_mode(&mut self, mode: OverlayPositionMode) {
+        self.position_mode = mode;
+    }
+
+    fn render_menu_for_measurement(&self, cx: &mut ViewContext<Self>) -> impl Element<ContextMenu> {
        let style = cx.global::<Settings>().theme.context_menu.clone();
        Flex::row()
            .with_child(
-                Flex::column()
-                    .with_children(self.items.iter().enumerate().map(|(ix, item)| {
-                        match item {
-                            ContextMenuItem::Item { label, .. } => {
-                                let style = style.item.style_for(
-                                    &mut Default::default(),
-                                    Some(ix) == self.selected_index,
-                                );
+                Flex::column().with_children(self.items.iter().enumerate().map(|(ix, item)| {
+                    match item {
+                        ContextMenuItem::Item { label, .. } => {
+                            let style = style.item.style_for(
+                                &mut Default::default(),
+                                Some(ix) == self.selected_index,
+                            );

-                                Label::new(label.to_string(), style.label.clone())
-                                    .contained()
-                                    .with_style(style.container)
-                                    .boxed()
+                            match label {
+                                ContextMenuItemLabel::String(label) => {
+                                    Label::new(label.to_string(), style.label.clone())
+                                        .contained()
+                                        .with_style(style.container)
+                                        .into_any()
+                                }
+                                ContextMenuItemLabel::Element(element) => {
+                                    element(&mut Default::default(), style)
+                                }
                            }
-                            ContextMenuItem::Separator => Empty::new()
-                                .collapsed()
-                                .contained()
-                                .with_style(style.separator)
-                                .constrained()
-                                .with_height(1.)
-                                .boxed(),
                        }
-                    }))
-                    .boxed(),
+
+                        ContextMenuItem::Static(f) => f(cx),
+
+                        ContextMenuItem::Separator => Empty::new()
+                            .collapsed()
+                            .contained()
+                            .with_style(style.separator)
+                            .constrained()
+                            .with_height(1.)
+                            .into_any(),
+                    }
+                })),
            )
            .with_child(
                Flex::column()
@@ -293,92 +368,125 @@ impl ContextMenu {
                                    &mut Default::default(),
                                    Some(ix) == self.selected_index,
                                );
-                                KeystrokeLabel::new(
-                                    window_id,
-                                    self.parent_view_id,
-                                    action.boxed_clone(),
-                                    style.keystroke.container,
-                                    style.keystroke.text.clone(),
-                                )
-                                .boxed()
+
+                                match action {
+                                    ContextMenuItemAction::Action(action) => KeystrokeLabel::new(
+                                        self.parent_view_id,
+                                        action.boxed_clone(),
+                                        style.keystroke.container,
+                                        style.keystroke.text.clone(),
+                                    )
+                                    .into_any(),
+                                    ContextMenuItemAction::Handler(_) => Empty::new().into_any(),
+                                }
                            }
+
+                            ContextMenuItem::Static(_) => Empty::new().into_any(),
+
                            ContextMenuItem::Separator => Empty::new()
                                .collapsed()
                                .constrained()
                                .with_height(1.)
                                .contained()
                                .with_style(style.separator)
-                                .boxed(),
+                                .into_any(),
                        }
                    }))
                    .contained()
-                    .with_margin_left(style.keystroke_margin)
-                    .boxed(),
+                    .with_margin_left(style.keystroke_margin),
            )
            .contained()
            .with_style(style.container)
    }

-    fn render_menu(&self, cx: &mut RenderContext<Self>) -> impl Element {
+    fn render_menu(&self, cx: &mut ViewContext<Self>) -> impl Element<ContextMenu> {
        enum Menu {}
        enum MenuItem {}

        let style = cx.global::<Settings>().theme.context_menu.clone();

-        let window_id = cx.window_id();
-        MouseEventHandler::<Menu>::new(0, cx, |_, cx| {
+        MouseEventHandler::<Menu, ContextMenu>::new(0, cx, |_, cx| {
            Flex::column()
                .with_children(self.items.iter().enumerate().map(|(ix, item)| {
                    match item {
                        ContextMenuItem::Item { label, action } => {
-                            let action = action.boxed_clone();
-
-                            MouseEventHandler::<MenuItem>::new(ix, cx, |state, _| {
+                            let action = action.clone();
+                            let view_id = self.parent_view_id;
+                            MouseEventHandler::<MenuItem, ContextMenu>::new(ix, cx, |state, _| {
                                let style =
                                    style.item.style_for(state, Some(ix) == self.selected_index);
-
-                                Flex::row()
-                                    .with_child(
-                                        Label::new(label.to_string(), style.label.clone())
-                                            .contained()
-                                            .boxed(),
-                                    )
-                                    .with_child({
+                                let keystroke = match &action {
+                                    ContextMenuItemAction::Action(action) => Some(
                                        KeystrokeLabel::new(
-                                            window_id,
-                                            self.parent_view_id,
+                                            view_id,
                                            action.boxed_clone(),
                                            style.keystroke.container,
                                            style.keystroke.text.clone(),
                                        )
-                                        .flex_float()
-                                        .boxed()
+                                        .flex_float(),
+                                    ),
+                                    ContextMenuItemAction::Handler(_) => None,
+                                };
+
+                                Flex::row()
+                                    .with_child(match label {
+                                        ContextMenuItemLabel::String(label) => {
+                                            Label::new(label.clone(), style.label.clone())
+                                                .contained()
+                                                .into_any()
+                                        }
+                                        ContextMenuItemLabel::Element(element) => {
+                                            element(state, style)
+                                        }
                                    })
+                                    .with_children(keystroke)
                                    .contained()
                                    .with_style(style.container)
-                                    .boxed()
                            })
                            .with_cursor_style(CursorStyle::PointingHand)
-                            .on_click(MouseButton::Left, move |_, cx| {
-                                cx.dispatch_action(Clicked);
-                                cx.dispatch_any_action(action.boxed_clone());
+                            .on_up(MouseButton::Left, |_, _, _| {}) // Capture these events
+                            .on_down(MouseButton::Left, |_, _, _| {}) // Capture these events
+                            .on_click(MouseButton::Left, move |_, menu, cx| {
+                                menu.cancel(&Default::default(), cx);
+                                let window_id = cx.window_id();
+                                match &action {
+                                    ContextMenuItemAction::Action(action) => {
+                                        let action = action.boxed_clone();
+                                        cx.app_context()
+                                            .spawn(|mut cx| async move {
+                                                cx.dispatch_action(
+                                                    window_id,
+                                                    view_id,
+                                                    action.as_ref(),
+                                                )
+                                            })
+                                            .detach_and_log_err(cx);
+                                    }
+                                    ContextMenuItemAction::Handler(handler) => handler(cx),
+                                }
                            })
-                            .on_drag(MouseButton::Left, |_, _| {})
-                            .boxed()
+                            .on_drag(MouseButton::Left, |_, _, _| {})
+                            .into_any()
                        }
+
+                        ContextMenuItem::Static(f) => f(cx),
+
                        ContextMenuItem::Separator => Empty::new()
                            .constrained()
                            .with_height(1.)
                            .contained()
                            .with_style(style.separator)
-                            .boxed(),
+                            .into_any(),
                    }
                }))
                .contained()
                .with_style(style.container)
-                .boxed()
        })
-        .on_down_out(MouseButton::Left, |_, cx| cx.dispatch_action(Cancel))
-        .on_down_out(MouseButton::Right, |_, cx| cx.dispatch_action(Cancel))
+        .on_down_out(MouseButton::Left, |_, this, cx| {
+            this.cancel(&Default::default(), cx);
+        })
+        .on_down_out(MouseButton::Right, |_, this, cx| {
+            this.cancel(&Default::default(), cx);
+        })
    }
 }
--- a/crates/copilot/Cargo.toml
+++ b/crates/copilot/Cargo.toml
@@ -0,0 +1,49 @@
+[package]
+name = "copilot"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+path = "src/copilot.rs"
+doctest = false
+
+[features]
+test-support = [
+    "collections/test-support",
+    "gpui/test-support",
+    "language/test-support",
+    "lsp/test-support",
+    "settings/test-support",
+    "util/test-support",
+]
+
+[dependencies]
+collections = { path = "../collections" }
+context_menu = { path = "../context_menu" }
+gpui = { path = "../gpui" }
+language = { path = "../language" }
+settings = { path = "../settings" }
+theme = { path = "../theme" }
+lsp = { path = "../lsp" }
+node_runtime = { path = "../node_runtime"}
+util = { path = "../util" }
+async-compression = { version = "0.3", features = ["gzip", "futures-bufread"] }
+async-tar = "0.4.2"
+anyhow.workspace = true
+log.workspace = true
+serde.workspace = true
+serde_derive.workspace = true
+smol.workspace = true
+futures.workspace = true
+
+[dev-dependencies]
+clock = { path = "../clock" }
+collections = { path = "../collections", features = ["test-support"] }
+fs = { path = "../fs", features = ["test-support"] }
+gpui = { path = "../gpui", features = ["test-support"] }
+language = { path = "../language", features = ["test-support"] }
+lsp = { path = "../lsp", features = ["test-support"] }
+rpc = { path = "../rpc", features = ["test-support"] }
+settings = { path = "../settings", features = ["test-support"] }
+util = { path = "../util", features = ["test-support"] }
--- a/crates/copilot/src/copilot.rs
+++ b/crates/copilot/src/copilot.rs
--- a/crates/copilot/src/request.rs
+++ b/crates/copilot/src/request.rs
@@ -0,0 +1,225 @@
+use serde::{Deserialize, Serialize};
+
+pub enum CheckStatus {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CheckStatusParams {
+    pub local_checks_only: bool,
+}
+
+impl lsp::request::Request for CheckStatus {
+    type Params = CheckStatusParams;
+    type Result = SignInStatus;
+    const METHOD: &'static str = "checkStatus";
+}
+
+pub enum SignInInitiate {}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SignInInitiateParams {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(tag = "status")]
+pub enum SignInInitiateResult {
+    AlreadySignedIn { user: String },
+    PromptUserDeviceFlow(PromptUserDeviceFlow),
+}
+
+#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PromptUserDeviceFlow {
+    pub user_code: String,
+    pub verification_uri: String,
+}
+
+impl lsp::request::Request for SignInInitiate {
+    type Params = SignInInitiateParams;
+    type Result = SignInInitiateResult;
+    const METHOD: &'static str = "signInInitiate";
+}
+
+pub enum SignInConfirm {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignInConfirmParams {
+    pub user_code: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(tag = "status")]
+pub enum SignInStatus {
+    #[serde(rename = "OK")]
+    Ok {
+        user: String,
+    },
+    MaybeOk {
+        user: String,
+    },
+    AlreadySignedIn {
+        user: String,
+    },
+    NotAuthorized {
+        user: String,
+    },
+    NotSignedIn,
+}
+
+impl lsp::request::Request for SignInConfirm {
+    type Params = SignInConfirmParams;
+    type Result = SignInStatus;
+    const METHOD: &'static str = "signInConfirm";
+}
+
+pub enum SignOut {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignOutParams {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignOutResult {}
+
+impl lsp::request::Request for SignOut {
+    type Params = SignOutParams;
+    type Result = SignOutResult;
+    const METHOD: &'static str = "signOut";
+}
+
+pub enum GetCompletions {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct GetCompletionsParams {
+    pub doc: GetCompletionsDocument,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct GetCompletionsDocument {
+    pub tab_size: u32,
+    pub indent_size: u32,
+    pub insert_spaces: bool,
+    pub uri: lsp::Url,
+    pub relative_path: String,
+    pub position: lsp::Position,
+    pub version: usize,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct GetCompletionsResult {
+    pub completions: Vec<Completion>,
+}
+
+#[derive(Clone, Debug, Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Completion {
+    pub text: String,
+    pub position: lsp::Position,
+    pub uuid: String,
+    pub range: lsp::Range,
+    pub display_text: String,
+}
+
+impl lsp::request::Request for GetCompletions {
+    type Params = GetCompletionsParams;
+    type Result = GetCompletionsResult;
+    const METHOD: &'static str = "getCompletions";
+}
+
+pub enum GetCompletionsCycling {}
+
+impl lsp::request::Request for GetCompletionsCycling {
+    type Params = GetCompletionsParams;
+    type Result = GetCompletionsResult;
+    const METHOD: &'static str = "getCompletionsCycling";
+}
+
+pub enum LogMessage {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct LogMessageParams {
+    pub level: u8,
+    pub message: String,
+    pub metadata_str: String,
+    pub extra: Vec<String>,
+}
+
+impl lsp::notification::Notification for LogMessage {
+    type Params = LogMessageParams;
+    const METHOD: &'static str = "LogMessage";
+}
+
+pub enum StatusNotification {}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct StatusNotificationParams {
+    pub message: String,
+    pub status: String, // One of Normal/InProgress
+}
+
+impl lsp::notification::Notification for StatusNotification {
+    type Params = StatusNotificationParams;
+    const METHOD: &'static str = "statusNotification";
+}
+
+pub enum SetEditorInfo {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SetEditorInfoParams {
+    pub editor_info: EditorInfo,
+    pub editor_plugin_info: EditorPluginInfo,
+}
+
+impl lsp::request::Request for SetEditorInfo {
+    type Params = SetEditorInfoParams;
+    type Result = String;
+    const METHOD: &'static str = "setEditorInfo";
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct EditorInfo {
+    pub name: String,
+    pub version: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct EditorPluginInfo {
+    pub name: String,
+    pub version: String,
+}
+
+pub enum NotifyAccepted {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct NotifyAcceptedParams {
+    pub uuid: String,
+}
+
+impl lsp::request::Request for NotifyAccepted {
+    type Params = NotifyAcceptedParams;
+    type Result = String;
+    const METHOD: &'static str = "notifyAccepted";
+}
+
+pub enum NotifyRejected {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct NotifyRejectedParams {
+    pub uuids: Vec<String>,
+}
+
+impl lsp::request::Request for NotifyRejected {
+    type Params = NotifyRejectedParams;
+    type Result = String;
+    const METHOD: &'static str = "notifyRejected";
+}
--- a/crates/copilot/src/sign_in.rs
+++ b/crates/copilot/src/sign_in.rs
@@ -0,0 +1,376 @@
+use crate::{request::PromptUserDeviceFlow, Copilot, Status};
+use gpui::{
+    elements::*,
+    geometry::rect::RectF,
+    platform::{WindowBounds, WindowKind, WindowOptions},
+    AnyElement, AnyViewHandle, AppContext, ClipboardItem, Element, Entity, View, ViewContext,
+    ViewHandle,
+};
+use settings::Settings;
+use theme::ui::modal;
+
+#[derive(PartialEq, Eq, Debug, Clone)]
+struct CopyUserCode;
+
+#[derive(PartialEq, Eq, Debug, Clone)]
+struct OpenGithub;
+
+const COPILOT_SIGN_UP_URL: &'static str = "https://github.com/features/copilot";
+
+pub fn init(cx: &mut AppContext) {
+    if let Some(copilot) = Copilot::global(cx) {
+        let mut code_verification: Option<ViewHandle<CopilotCodeVerification>> = None;
+        cx.observe(&copilot, move |copilot, cx| {
+            let status = copilot.read(cx).status();
+
+            match &status {
+                crate::Status::SigningIn { prompt } => {
+                    if let Some(code_verification_handle) = code_verification.as_mut() {
+                        let window_id = code_verification_handle.window_id();
+                        let updated = cx.update_window(window_id, |cx| {
+                            code_verification_handle.update(cx, |code_verification, cx| {
+                                code_verification.set_status(status.clone(), cx)
+                            });
+                            cx.activate_window();
+                        });
+                        if updated.is_none() {
+                            code_verification = Some(create_copilot_auth_window(cx, &status));
+                        }
+                    } else if let Some(_prompt) = prompt {
+                        code_verification = Some(create_copilot_auth_window(cx, &status));
+                    }
+                }
+                Status::Authorized | Status::Unauthorized => {
+                    if let Some(code_verification) = code_verification.as_ref() {
+                        let window_id = code_verification.window_id();
+                        cx.update_window(window_id, |cx| {
+                            code_verification.update(cx, |code_verification, cx| {
+                                code_verification.set_status(status, cx)
+                            });
+
+                            cx.platform().activate(true);
+                            cx.activate_window();
+                        });
+                    }
+                }
+                _ => {
+                    if let Some(code_verification) = code_verification.take() {
+                        cx.update_window(code_verification.window_id(), |cx| cx.remove_window());
+                    }
+                }
+            }
+        })
+        .detach();
+    }
+}
+
+fn create_copilot_auth_window(
+    cx: &mut AppContext,
+    status: &Status,
+) -> ViewHandle<CopilotCodeVerification> {
+    let window_size = cx.global::<Settings>().theme.copilot.modal.dimensions();
+    let window_options = WindowOptions {
+        bounds: WindowBounds::Fixed(RectF::new(Default::default(), window_size)),
+        titlebar: None,
+        center: true,
+        focus: true,
+        kind: WindowKind::Normal,
+        is_movable: true,
+        screen: None,
+    };
+    let (_, view) = cx.add_window(window_options, |_cx| {
+        CopilotCodeVerification::new(status.clone())
+    });
+    view
+}
+
+pub struct CopilotCodeVerification {
+    status: Status,
+    connect_clicked: bool,
+}
+
+impl CopilotCodeVerification {
+    pub fn new(status: Status) -> Self {
+        Self {
+            status,
+            connect_clicked: false,
+        }
+    }
+
+    pub fn set_status(&mut self, status: Status, cx: &mut ViewContext<Self>) {
+        self.status = status;
+        cx.notify();
+    }
+
+    fn render_device_code(
+        data: &PromptUserDeviceFlow,
+        style: &theme::Copilot,
+        cx: &mut ViewContext<Self>,
+    ) -> impl Element<Self> {
+        let copied = cx
+            .read_from_clipboard()
+            .map(|item| item.text() == &data.user_code)
+            .unwrap_or(false);
+
+        let device_code_style = &style.auth.prompting.device_code;
+
+        MouseEventHandler::<Self, _>::new(0, cx, |state, _cx| {
+            Flex::row()
+                .with_child(
+                    Label::new(data.user_code.clone(), device_code_style.text.clone())
+                        .aligned()
+                        .contained()
+                        .with_style(device_code_style.left_container)
+                        .constrained()
+                        .with_width(device_code_style.left),
+                )
+                .with_child(
+                    Label::new(
+                        if copied { "Copied!" } else { "Copy" },
+                        device_code_style.cta.style_for(state, false).text.clone(),
+                    )
+                    .aligned()
+                    .contained()
+                    .with_style(*device_code_style.right_container.style_for(state, false))
+                    .constrained()
+                    .with_width(device_code_style.right),
+                )
+                .contained()
+                .with_style(device_code_style.cta.style_for(state, false).container)
+        })
+        .on_click(gpui::platform::MouseButton::Left, {
+            let user_code = data.user_code.clone();
+            move |_, _, cx| {
+                cx.platform()
+                    .write_to_clipboard(ClipboardItem::new(user_code.clone()));
+                cx.notify();
+            }
+        })
+        .with_cursor_style(gpui::platform::CursorStyle::PointingHand)
+    }
+
+    fn render_prompting_modal(
+        connect_clicked: bool,
+        data: &PromptUserDeviceFlow,
+        style: &theme::Copilot,
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        enum ConnectButton {}
+
+        Flex::column()
+            .with_child(
+                Flex::column()
+                    .with_children([
+                        Label::new(
+                            "Enable Copilot by connecting",
+                            style.auth.prompting.subheading.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new(
+                            "your existing license.",
+                            style.auth.prompting.subheading.text.clone(),
+                        )
+                        .aligned(),
+                    ])
+                    .align_children_center()
+                    .contained()
+                    .with_style(style.auth.prompting.subheading.container),
+            )
+            .with_child(Self::render_device_code(data, &style, cx))
+            .with_child(
+                Flex::column()
+                    .with_children([
+                        Label::new(
+                            "Paste this code into GitHub after",
+                            style.auth.prompting.hint.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new(
+                            "clicking the button below.",
+                            style.auth.prompting.hint.text.clone(),
+                        )
+                        .aligned(),
+                    ])
+                    .align_children_center()
+                    .contained()
+                    .with_style(style.auth.prompting.hint.container.clone()),
+            )
+            .with_child(theme::ui::cta_button::<ConnectButton, _, _, _>(
+                if connect_clicked {
+                    "Waiting for connection..."
+                } else {
+                    "Connect to GitHub"
+                },
+                style.auth.content_width,
+                &style.auth.cta_button,
+                cx,
+                {
+                    let verification_uri = data.verification_uri.clone();
+                    move |_, verification, cx| {
+                        cx.platform().open_url(&verification_uri);
+                        verification.connect_clicked = true;
+                    }
+                },
+            ))
+            .align_children_center()
+            .into_any()
+    }
+
+    fn render_enabled_modal(
+        style: &theme::Copilot,
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        enum DoneButton {}
+
+        let enabled_style = &style.auth.authorized;
+        Flex::column()
+            .with_child(
+                Label::new("Copilot Enabled!", enabled_style.subheading.text.clone())
+                    .contained()
+                    .with_style(enabled_style.subheading.container)
+                    .aligned(),
+            )
+            .with_child(
+                Flex::column()
+                    .with_children([
+                        Label::new(
+                            "You can update your settings or",
+                            enabled_style.hint.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new(
+                            "sign out from the Copilot menu in",
+                            enabled_style.hint.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new("the status bar.", enabled_style.hint.text.clone()).aligned(),
+                    ])
+                    .align_children_center()
+                    .contained()
+                    .with_style(enabled_style.hint.container),
+            )
+            .with_child(theme::ui::cta_button::<DoneButton, _, _, _>(
+                "Done",
+                style.auth.content_width,
+                &style.auth.cta_button,
+                cx,
+                |_, _, cx| cx.remove_window(),
+            ))
+            .align_children_center()
+            .into_any()
+    }
+
+    fn render_unauthorized_modal(
+        style: &theme::Copilot,
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        let unauthorized_style = &style.auth.not_authorized;
+
+        Flex::column()
+            .with_child(
+                Flex::column()
+                    .with_children([
+                        Label::new(
+                            "Enable Copilot by connecting",
+                            unauthorized_style.subheading.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new(
+                            "your existing license.",
+                            unauthorized_style.subheading.text.clone(),
+                        )
+                        .aligned(),
+                    ])
+                    .align_children_center()
+                    .contained()
+                    .with_style(unauthorized_style.subheading.container),
+            )
+            .with_child(
+                Flex::column()
+                    .with_children([
+                        Label::new(
+                            "You must have an active copilot",
+                            unauthorized_style.warning.text.clone(),
+                        )
+                        .aligned(),
+                        Label::new(
+                            "license to use it in Zed.",
+                            unauthorized_style.warning.text.clone(),
+                        )
+                        .aligned(),
+                    ])
+                    .align_children_center()
+                    .contained()
+                    .with_style(unauthorized_style.warning.container),
+            )
+            .with_child(theme::ui::cta_button::<Self, _, _, _>(
+                "Subscribe on GitHub",
+                style.auth.content_width,
+                &style.auth.cta_button,
+                cx,
+                |_, _, cx| {
+                    cx.remove_window();
+                    cx.platform().open_url(COPILOT_SIGN_UP_URL)
+                },
+            ))
+            .align_children_center()
+            .into_any()
+    }
+}
+
+impl Entity for CopilotCodeVerification {
+    type Event = ();
+}
+
+impl View for CopilotCodeVerification {
+    fn ui_name() -> &'static str {
+        "CopilotCodeVerification"
+    }
+
+    fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
+        cx.notify()
+    }
+
+    fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
+        cx.notify()
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+        enum ConnectModal {}
+
+        let style = cx.global::<Settings>().theme.clone();
+
+        modal::<ConnectModal, _, _, _, _>(
+            "Connect Copilot to Zed",
+            &style.copilot.modal,
+            cx,
+            |cx| {
+                Flex::column()
+                    .with_children([
+                        theme::ui::icon(&style.copilot.auth.header).into_any(),
+                        match &self.status {
+                            Status::SigningIn {
+                                prompt: Some(prompt),
+                            } => Self::render_prompting_modal(
+                                self.connect_clicked,
+                                &prompt,
+                                &style.copilot,
+                                cx,
+                            ),
+                            Status::Unauthorized => {
+                                self.connect_clicked = false;
+                                Self::render_unauthorized_modal(&style.copilot, cx)
+                            }
+                            Status::Authorized => {
+                                self.connect_clicked = false;
+                                Self::render_enabled_modal(&style.copilot, cx)
+                            }
+                            _ => Empty::new().into_any(),
+                        },
+                    ])
+                    .align_children_center()
+            },
+        )
+        .into_any()
+    }
+}
--- a/crates/copilot_button/Cargo.toml
+++ b/crates/copilot_button/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "copilot_button"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+path = "src/copilot_button.rs"
+doctest = false
+
+[dependencies]
+assets = { path = "../assets" }
+copilot = { path = "../copilot" }
+editor = { path = "../editor" }
+context_menu = { path = "../context_menu" }
+gpui = { path = "../gpui" }
+settings = { path = "../settings" }
+theme = { path = "../theme" }
+util = { path = "../util" }
+workspace = { path = "../workspace" }
+anyhow.workspace = true
+smol.workspace = true
+futures.workspace = true
--- a/crates/copilot_button/src/copilot_button.rs
+++ b/crates/copilot_button/src/copilot_button.rs
@@ -0,0 +1,434 @@
+use anyhow::Result;
+use context_menu::{ContextMenu, ContextMenuItem};
+use copilot::{Copilot, SignOut, Status};
+use editor::{scroll::autoscroll::Autoscroll, Editor};
+use gpui::{
+    elements::*,
+    platform::{CursorStyle, MouseButton},
+    AnyElement, AppContext, AsyncAppContext, Element, Entity, MouseState, Subscription, View,
+    ViewContext, ViewHandle, WeakViewHandle, WindowContext,
+};
+use settings::{settings_file::SettingsFile, Settings};
+use std::{path::Path, sync::Arc};
+use util::{paths, ResultExt};
+use workspace::{
+    create_and_open_local_file, item::ItemHandle,
+    notifications::simple_message_notification::OsOpen, StatusItemView, Toast, Workspace,
+};
+
+const COPILOT_SETTINGS_URL: &str = "https://github.com/settings/copilot";
+const COPILOT_STARTING_TOAST_ID: usize = 1337;
+const COPILOT_ERROR_TOAST_ID: usize = 1338;
+
+pub struct CopilotButton {
+    popup_menu: ViewHandle<ContextMenu>,
+    editor_subscription: Option<(Subscription, usize)>,
+    editor_enabled: Option<bool>,
+    language: Option<Arc<str>>,
+    path: Option<Arc<Path>>,
+}
+
+impl Entity for CopilotButton {
+    type Event = ();
+}
+
+impl View for CopilotButton {
+    fn ui_name() -> &'static str {
+        "CopilotButton"
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+        let settings = cx.global::<Settings>();
+
+        if !settings.features.copilot {
+            return Empty::new().into_any();
+        }
+
+        let theme = settings.theme.clone();
+        let active = self.popup_menu.read(cx).visible();
+        let Some(copilot) = Copilot::global(cx) else {
+            return Empty::new().into_any();
+        };
+        let status = copilot.read(cx).status();
+
+        let enabled = self
+            .editor_enabled
+            .unwrap_or(settings.show_copilot_suggestions(None, None));
+
+        Stack::new()
+            .with_child(
+                MouseEventHandler::<Self, _>::new(0, cx, {
+                    let theme = theme.clone();
+                    let status = status.clone();
+                    move |state, _cx| {
+                        let style = theme
+                            .workspace
+                            .status_bar
+                            .sidebar_buttons
+                            .item
+                            .style_for(state, active);
+
+                        Flex::row()
+                            .with_child(
+                                Svg::new({
+                                    match status {
+                                        Status::Error(_) => "icons/copilot_error_16.svg",
+                                        Status::Authorized => {
+                                            if enabled {
+                                                "icons/copilot_16.svg"
+                                            } else {
+                                                "icons/copilot_disabled_16.svg"
+                                            }
+                                        }
+                                        _ => "icons/copilot_init_16.svg",
+                                    }
+                                })
+                                .with_color(style.icon_color)
+                                .constrained()
+                                .with_width(style.icon_size)
+                                .aligned()
+                                .into_any_named("copilot-icon"),
+                            )
+                            .constrained()
+                            .with_height(style.icon_size)
+                            .contained()
+                            .with_style(style.container)
+                    }
+                })
+                .with_cursor_style(CursorStyle::PointingHand)
+                .on_click(MouseButton::Left, {
+                    let status = status.clone();
+                    move |_, this, cx| match status {
+                        Status::Authorized => this.deploy_copilot_menu(cx),
+                        Status::Error(ref e) => {
+                            if let Some(workspace) = cx.root_view().clone().downcast::<Workspace>()
+                            {
+                                workspace.update(cx, |workspace, cx| {
+                                    workspace.show_toast(
+                                        Toast::new(
+                                            COPILOT_ERROR_TOAST_ID,
+                                            format!("Copilot can't be started: {}", e),
+                                        )
+                                        .on_click(
+                                            "Reinstall Copilot",
+                                            |cx| {
+                                                if let Some(copilot) = Copilot::global(cx) {
+                                                    copilot
+                                                        .update(cx, |copilot, cx| {
+                                                            copilot.reinstall(cx)
+                                                        })
+                                                        .detach();
+                                                }
+                                            },
+                                        ),
+                                        cx,
+                                    );
+                                });
+                            }
+                        }
+                        _ => this.deploy_copilot_start_menu(cx),
+                    }
+                })
+                .with_tooltip::<Self>(
+                    0,
+                    "GitHub Copilot".into(),
+                    None,
+                    theme.tooltip.clone(),
+                    cx,
+                ),
+            )
+            .with_child(ChildView::new(&self.popup_menu, cx).aligned().top().right())
+            .into_any()
+    }
+}
+
+impl CopilotButton {
+    pub fn new(cx: &mut ViewContext<Self>) -> Self {
+        let button_view_id = cx.view_id();
+        let menu = cx.add_view(|cx| {
+            let mut menu = ContextMenu::new(button_view_id, cx);
+            menu.set_position_mode(OverlayPositionMode::Local);
+            menu
+        });
+
+        cx.observe(&menu, |_, _, cx| cx.notify()).detach();
+
+        Copilot::global(cx).map(|copilot| cx.observe(&copilot, |_, _, cx| cx.notify()).detach());
+
+        cx.observe_global::<Settings, _>(move |_, cx| cx.notify())
+            .detach();
+
+        Self {
+            popup_menu: menu,
+            editor_subscription: None,
+            editor_enabled: None,
+            language: None,
+            path: None,
+        }
+    }
+
+    pub fn deploy_copilot_start_menu(&mut self, cx: &mut ViewContext<Self>) {
+        let mut menu_options = Vec::with_capacity(2);
+
+        menu_options.push(ContextMenuItem::handler("Sign In", |cx| {
+            initiate_sign_in(cx)
+        }));
+        menu_options.push(ContextMenuItem::handler("Disable Copilot", |cx| {
+            hide_copilot(cx)
+        }));
+
+        self.popup_menu.update(cx, |menu, cx| {
+            menu.show(
+                Default::default(),
+                AnchorCorner::BottomRight,
+                menu_options,
+                cx,
+            );
+        });
+    }
+
+    pub fn deploy_copilot_menu(&mut self, cx: &mut ViewContext<Self>) {
+        let settings = cx.global::<Settings>();
+
+        let mut menu_options = Vec::with_capacity(8);
+
+        if let Some(language) = self.language.clone() {
+            let language_enabled = settings.copilot_enabled_for_language(Some(language.as_ref()));
+            menu_options.push(ContextMenuItem::handler(
+                format!(
+                    "{} Suggestions for {}",
+                    if language_enabled { "Hide" } else { "Show" },
+                    language
+                ),
+                move |cx| toggle_copilot_for_language(language.clone(), cx),
+            ));
+        }
+
+        if let Some(path) = self.path.as_ref() {
+            let path_enabled = settings.copilot_enabled_for_path(path);
+            let path = path.clone();
+            menu_options.push(ContextMenuItem::handler(
+                format!(
+                    "{} Suggestions for This Path",
+                    if path_enabled { "Hide" } else { "Show" }
+                ),
+                move |cx| {
+                    if let Some(workspace) = cx.root_view().clone().downcast::<Workspace>() {
+                        let workspace = workspace.downgrade();
+                        cx.spawn(|_, cx| {
+                            configure_disabled_globs(
+                                workspace,
+                                path_enabled.then_some(path.clone()),
+                                cx,
+                            )
+                        })
+                        .detach_and_log_err(cx);
+                    }
+                },
+            ));
+        }
+
+        let globally_enabled = cx.global::<Settings>().features.copilot;
+        menu_options.push(ContextMenuItem::handler(
+            if globally_enabled {
+                "Hide Suggestions for All Files"
+            } else {
+                "Show Suggestions for All Files"
+            },
+            |cx| toggle_copilot_globally(cx),
+        ));
+
+        menu_options.push(ContextMenuItem::Separator);
+
+        let icon_style = settings.theme.copilot.out_link_icon.clone();
+        menu_options.push(ContextMenuItem::action(
+            move |state: &mut MouseState, style: &theme::ContextMenuItem| {
+                Flex::row()
+                    .with_child(Label::new("Copilot Settings", style.label.clone()))
+                    .with_child(theme::ui::icon(icon_style.style_for(state, false)))
+                    .align_children_center()
+                    .into_any()
+            },
+            OsOpen::new(COPILOT_SETTINGS_URL),
+        ));
+
+        menu_options.push(ContextMenuItem::action("Sign Out", SignOut));
+
+        self.popup_menu.update(cx, |menu, cx| {
+            menu.show(
+                Default::default(),
+                AnchorCorner::BottomRight,
+                menu_options,
+                cx,
+            );
+        });
+    }
+
+    pub fn update_enabled(&mut self, editor: ViewHandle<Editor>, cx: &mut ViewContext<Self>) {
+        let editor = editor.read(cx);
+
+        let snapshot = editor.buffer().read(cx).snapshot(cx);
+        let settings = cx.global::<Settings>();
+        let suggestion_anchor = editor.selections.newest_anchor().start;
+
+        let language_name = snapshot
+            .language_at(suggestion_anchor)
+            .map(|language| language.name());
+        let path = snapshot
+            .file_at(suggestion_anchor)
+            .map(|file| file.path().clone());
+
+        self.editor_enabled =
+            Some(settings.show_copilot_suggestions(language_name.as_deref(), path.as_deref()));
+        self.language = language_name;
+        self.path = path;
+
+        cx.notify()
+    }
+}
+
+impl StatusItemView for CopilotButton {
+    fn set_active_pane_item(&mut self, item: Option<&dyn ItemHandle>, cx: &mut ViewContext<Self>) {
+        if let Some(editor) = item.map(|item| item.act_as::<Editor>(cx)).flatten() {
+            self.editor_subscription =
+                Some((cx.observe(&editor, Self::update_enabled), editor.id()));
+            self.update_enabled(editor, cx);
+        } else {
+            self.language = None;
+            self.editor_subscription = None;
+            self.editor_enabled = None;
+        }
+        cx.notify();
+    }
+}
+
+async fn configure_disabled_globs(
+    workspace: WeakViewHandle<Workspace>,
+    path_to_disable: Option<Arc<Path>>,
+    mut cx: AsyncAppContext,
+) -> Result<()> {
+    let settings_editor = workspace
+        .update(&mut cx, |_, cx| {
+            create_and_open_local_file(&paths::SETTINGS, cx, || {
+                Settings::initial_user_settings_content(&assets::Assets)
+                    .as_ref()
+                    .into()
+            })
+        })?
+        .await?
+        .downcast::<Editor>()
+        .unwrap();
+
+    settings_editor.downgrade().update(&mut cx, |item, cx| {
+        let text = item.buffer().read(cx).snapshot(cx).text();
+
+        let edits = SettingsFile::update_unsaved(&text, cx, |file| {
+            let copilot = file.copilot.get_or_insert_with(Default::default);
+            let globs = copilot.disabled_globs.get_or_insert_with(|| {
+                cx.global::<Settings>()
+                    .copilot
+                    .disabled_globs
+                    .clone()
+                    .iter()
+                    .map(|glob| glob.as_str().to_string())
+                    .collect::<Vec<_>>()
+            });
+
+            if let Some(path_to_disable) = &path_to_disable {
+                globs.push(path_to_disable.to_string_lossy().into_owned());
+            } else {
+                globs.clear();
+            }
+        });
+
+        if !edits.is_empty() {
+            item.change_selections(Some(Autoscroll::newest()), cx, |selections| {
+                selections.select_ranges(edits.iter().map(|e| e.0.clone()));
+            });
+
+            // When *enabling* a path, don't actually perform an edit, just select the range.
+            if path_to_disable.is_some() {
+                item.edit(edits.iter().cloned(), cx);
+            }
+        }
+    })?;
+
+    anyhow::Ok(())
+}
+
+fn toggle_copilot_globally(cx: &mut AppContext) {
+    let show_copilot_suggestions = cx.global::<Settings>().show_copilot_suggestions(None, None);
+    SettingsFile::update(cx, move |file_contents| {
+        file_contents.editor.show_copilot_suggestions = Some((!show_copilot_suggestions).into())
+    });
+}
+
+fn toggle_copilot_for_language(language: Arc<str>, cx: &mut AppContext) {
+    let show_copilot_suggestions = cx
+        .global::<Settings>()
+        .show_copilot_suggestions(Some(&language), None);
+
+    SettingsFile::update(cx, move |file_contents| {
+        file_contents.languages.insert(
+            language,
+            settings::EditorSettings {
+                show_copilot_suggestions: Some((!show_copilot_suggestions).into()),
+                ..Default::default()
+            },
+        );
+    });
+}
+
+fn hide_copilot(cx: &mut AppContext) {
+    SettingsFile::update(cx, move |file_contents| {
+        file_contents.features.copilot = Some(false)
+    });
+}
+
+fn initiate_sign_in(cx: &mut WindowContext) {
+    let Some(copilot) = Copilot::global(cx) else {
+        return;
+    };
+    let status = copilot.read(cx).status();
+
+    match status {
+        Status::Starting { task } => {
+            let Some(workspace) = cx.root_view().clone().downcast::<Workspace>() else {
+                return;
+            };
+
+            workspace.update(cx, |workspace, cx| {
+                workspace.show_toast(
+                    Toast::new(COPILOT_STARTING_TOAST_ID, "Copilot is starting..."),
+                    cx,
+                )
+            });
+            let workspace = workspace.downgrade();
+            cx.spawn(|mut cx| async move {
+                task.await;
+                if let Some(copilot) = cx.read(Copilot::global) {
+                    workspace
+                        .update(&mut cx, |workspace, cx| match copilot.read(cx).status() {
+                            Status::Authorized => workspace.show_toast(
+                                Toast::new(COPILOT_STARTING_TOAST_ID, "Copilot has started!"),
+                                cx,
+                            ),
+                            _ => {
+                                workspace.dismiss_toast(COPILOT_STARTING_TOAST_ID, cx);
+                                copilot
+                                    .update(cx, |copilot, cx| copilot.sign_in(cx))
+                                    .detach_and_log_err(cx);
+                            }
+                        })
+                        .log_err();
+                }
+            })
+            .detach();
+        }
+        _ => {
+            copilot
+                .update(cx, |copilot, cx| copilot.sign_in(cx))
+                .detach_and_log_err(cx);
+        }
+    }
+}
--- a/crates/db/Cargo.toml
+++ b/crates/db/Cargo.toml
@@ -17,16 +17,17 @@ gpui = { path = "../gpui" }
 sqlez = { path = "../sqlez" }
 sqlez_macros = { path = "../sqlez_macros" }
 util = { path = "../util" }
-anyhow = "1.0.57"
+anyhow.workspace = true
 indoc = "1.0.4"
-async-trait = "0.1"
-lazy_static = "1.4.0"
-log = { version = "0.4.16", features = ["kv_unstable_serde"] }
-parking_lot = "0.11.1"
-serde = { version = "1.0", features = ["derive"] }
-smol = "1.2"
+async-trait.workspace = true
+lazy_static.workspace = true
+log.workspace = true
+parking_lot.workspace = true
+serde.workspace = true
+serde_derive.workspace = true
+smol.workspace = true

 [dev-dependencies]
 gpui = { path = "../gpui", features = ["test-support"] }
-env_logger = "0.9.1"
-tempdir = { version = "0.3.7" }
+env_logger.workspace = true
+tempdir.workspace = true
--- a/crates/db/src/db.rs
+++ b/crates/db/src/db.rs
@@ -4,6 +4,7 @@ pub mod query;
 // Re-export
 pub use anyhow;
 use anyhow::Context;
+use gpui::AppContext;
 pub use indoc::indoc;
 pub use lazy_static;
 use parking_lot::{Mutex, RwLock};
@@ -17,6 +18,7 @@ use sqlez::domain::Migrator;
 use sqlez::thread_safe_connection::ThreadSafeConnection;
 use sqlez_macros::sql;
 use std::fs::create_dir_all;
+use std::future::Future;
 use std::path::{Path, PathBuf};
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::time::{SystemTime, UNIX_EPOCH};
@@ -39,6 +41,7 @@ const FALLBACK_DB_NAME: &'static str = "FALLBACK_MEMORY_DB";
 const DB_FILE_NAME: &'static str = "db.sqlite";

 lazy_static::lazy_static! {
+    // !!!!!!! CHANGE BACK TO DEFAULT FALSE BEFORE SHIPPING
    static ref ZED_STATELESS: bool = std::env::var("ZED_STATELESS").map_or(false, |v| !v.is_empty());
    static ref DB_FILE_OPERATIONS: Mutex<()> = Mutex::new(());
    pub static ref BACKUP_DB_PATH: RwLock<Option<PathBuf>> = RwLock::new(None);
@@ -63,11 +66,11 @@ pub async fn open_db<M: Migrator + 'static>(
    let connection = async_iife!({
        // Note: This still has a race condition where 1 set of migrations succeeds
        // (e.g. (Workspace, Editor)) and another fails (e.g. (Workspace, Terminal))
-        // This will cause the first connection to have the database taken out 
+        // This will cause the first connection to have the database taken out
        // from under it. This *should* be fine though. The second dabatase failure will
        // cause errors in the log and so should be observed by developers while writing
        // soon-to-be good migrations. If user databases are corrupted, we toss them out
-        // and try again from a blank. As long as running all migrations from start to end 
+        // and try again from a blank. As long as running all migrations from start to end
        // on a blank database is ok, this race condition will never be triggered.
        //
        // Basically: Don't ever push invalid migrations to stable or everyone will have
@@ -85,7 +88,7 @@ pub async fn open_db<M: Migrator + 'static>(
            };
        }

-        // Take a lock in the failure case so that we move the db once per process instead 
+        // Take a lock in the failure case so that we move the db once per process instead
        // of potentially multiple times from different threads. This shouldn't happen in the
        // normal path
        let _lock = DB_FILE_OPERATIONS.lock();
@@ -236,6 +239,15 @@ macro_rules! define_connection {
    };
 }

+pub fn write_and_log<F>(cx: &mut AppContext, db_write: impl FnOnce() -> F + Send + 'static)
+where
+    F: Future<Output = anyhow::Result<()>> + Send,
+{
+    cx.background()
+        .spawn(async move { db_write().await.log_err() })
+        .detach()
+}
+
 #[cfg(test)]
 mod tests {
    use std::{fs, thread};
--- a/crates/diagnostics/Cargo.toml
+++ b/crates/diagnostics/Cargo.toml
@@ -9,24 +9,28 @@ path = "src/diagnostics.rs"
 doctest = false

 [dependencies]
-anyhow = "1.0"
-smallvec = { version = "1.6", features = ["union"] }
 collections = { path = "../collections" }
 editor = { path = "../editor" }
-language = { path = "../language" }
 gpui = { path = "../gpui" }
+language = { path = "../language" }
+lsp = { path = "../lsp" }
 project = { path = "../project" }
 settings = { path = "../settings" }
 theme = { path = "../theme" }
 util = { path = "../util" }
 workspace = { path = "../workspace" }
-postage = { version = "0.4", features = ["futures-traits"] }
+
+anyhow.workspace = true
+smallvec.workspace = true
+postage.workspace = true

 [dev-dependencies]
-unindent = "0.1"
 client = { path = "../client", features = ["test-support"] }
 editor = { path = "../editor", features = ["test-support"] }
 language = { path = "../language", features = ["test-support"] }
+lsp = { path = "../lsp", features = ["test-support"] }
 gpui = { path = "../gpui", features = ["test-support"] }
 workspace = { path = "../workspace", features = ["test-support"] }
-serde_json = { version = "1", features = ["preserve_order"] }
+
+serde_json.workspace = true
+unindent.workspace = true
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -1,7 +1,7 @@
 pub mod items;

 use anyhow::Result;
-use collections::{BTreeMap, HashSet};
+use collections::{BTreeSet, HashSet};
 use editor::{
    diagnostic_block_renderer,
    display_map::{BlockDisposition, BlockId, BlockProperties, BlockStyle, RenderBlock},
@@ -10,20 +10,21 @@ use editor::{
    Editor, ExcerptId, ExcerptRange, MultiBuffer, ToOffset,
 };
 use gpui::{
-    actions, elements::*, fonts::TextStyle, impl_internal_actions, serde_json, AnyViewHandle,
-    AppContext, Entity, ModelHandle, MutableAppContext, RenderContext, Task, View, ViewContext,
-    ViewHandle, WeakViewHandle,
+    actions, elements::*, fonts::TextStyle, serde_json, AnyViewHandle, AppContext, Entity,
+    ModelHandle, Task, View, ViewContext, ViewHandle, WeakViewHandle,
 };
 use language::{
    Anchor, Bias, Buffer, Diagnostic, DiagnosticEntry, DiagnosticSeverity, Point, Selection,
    SelectionGoal,
 };
+use lsp::LanguageServerId;
 use project::{DiagnosticSummary, Project, ProjectPath};
 use serde_json::json;
 use settings::Settings;
 use smallvec::SmallVec;
 use std::{
    any::{Any, TypeId},
+    borrow::Cow,
    cmp::Ordering,
    ops::Range,
    path::PathBuf,
@@ -31,17 +32,15 @@ use std::{
 };
 use util::TryFutureExt;
 use workspace::{
-    item::{Item, ItemEvent, ItemHandle},
-    ItemNavHistory, Pane, Workspace,
+    item::{BreadcrumbText, Item, ItemEvent, ItemHandle},
+    ItemNavHistory, Pane, ToolbarItemLocation, Workspace,
 };

 actions!(diagnostics, [Deploy]);

-impl_internal_actions!(diagnostics, [Jump]);
-
 const CONTEXT_LINE_COUNT: u32 = 1;

-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(ProjectDiagnosticsEditor::deploy);
    items::init(cx);
 }
@@ -55,7 +54,7 @@ struct ProjectDiagnosticsEditor {
    summary: DiagnosticSummary,
    excerpts: ModelHandle<MultiBuffer>,
    path_states: Vec<PathState>,
-    paths_to_update: BTreeMap<ProjectPath, usize>,
+    paths_to_update: BTreeSet<(ProjectPath, LanguageServerId)>,
 }

 struct PathState {
@@ -71,6 +70,7 @@ struct Jump {
 }

 struct DiagnosticGroupState {
+    language_server_id: LanguageServerId,
    primary_diagnostic: DiagnosticEntry<language::Anchor>,
    primary_excerpt_ix: usize,
    excerpts: Vec<ExcerptId>,
@@ -87,16 +87,16 @@ impl View for ProjectDiagnosticsEditor {
        "ProjectDiagnosticsEditor"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        if self.path_states.is_empty() {
            let theme = &cx.global::<Settings>().theme.project_diagnostics;
            Label::new("No problems in workspace", theme.empty_message.clone())
                .aligned()
                .contained()
                .with_style(theme.container)
-                .boxed()
+                .into_any()
        } else {
-            ChildView::new(&self.editor, cx).boxed()
+            ChildView::new(&self.editor, cx).into_any()
        }
    }

@@ -115,7 +115,7 @@ impl View for ProjectDiagnosticsEditor {
            }),
            "summary": self.summary,
            "paths_to_update": self.paths_to_update.iter().map(|(path, server_id)|
-                (path.path.to_string_lossy(), server_id)
+                (path.path.to_string_lossy(), server_id.0)
            ).collect::<Vec<_>>(),
            "paths_states": self.path_states.iter().map(|state|
                json!({
@@ -148,7 +148,7 @@ impl ProjectDiagnosticsEditor {
                path,
            } => {
                this.paths_to_update
-                    .insert(path.clone(), *language_server_id);
+                    .insert((path.clone(), *language_server_id));
            }
            _ => {}
        })
@@ -167,7 +167,7 @@ impl ProjectDiagnosticsEditor {
        let project = project_handle.read(cx);
        let paths_to_update = project
            .diagnostic_summaries(cx)
-            .map(|e| (e.0, e.1.language_server_id))
+            .map(|(path, server_id, _)| (path, server_id))
            .collect();
        let summary = project.diagnostic_summary(cx);
        let mut this = Self {
@@ -195,9 +195,13 @@ impl ProjectDiagnosticsEditor {
        }
    }

-    fn update_excerpts(&mut self, language_server_id: Option<usize>, cx: &mut ViewContext<Self>) {
+    fn update_excerpts(
+        &mut self,
+        language_server_id: Option<LanguageServerId>,
+        cx: &mut ViewContext<Self>,
+    ) {
        let mut paths = Vec::new();
-        self.paths_to_update.retain(|path, server_id| {
+        self.paths_to_update.retain(|(path, server_id)| {
            if language_server_id
                .map_or(true, |language_server_id| language_server_id == *server_id)
            {
@@ -214,7 +218,9 @@ impl ProjectDiagnosticsEditor {
                    let buffer = project
                        .update(&mut cx, |project, cx| project.open_buffer(path.clone(), cx))
                        .await?;
-                    this.update(&mut cx, |this, cx| this.populate_excerpts(path, buffer, cx))
+                    this.update(&mut cx, |this, cx| {
+                        this.populate_excerpts(path, language_server_id, buffer, cx)
+                    })?;
                }
                Result::<_, anyhow::Error>::Ok(())
            }
@@ -226,6 +232,7 @@ impl ProjectDiagnosticsEditor {
    fn populate_excerpts(
        &mut self,
        path: ProjectPath,
+        language_server_id: Option<LanguageServerId>,
        buffer: ModelHandle<Buffer>,
        cx: &mut ViewContext<Self>,
    ) {
@@ -264,9 +271,9 @@ impl ProjectDiagnosticsEditor {
        let excerpts_snapshot = self.excerpts.update(cx, |excerpts, excerpts_cx| {
            let mut old_groups = path_state.diagnostic_groups.iter().enumerate().peekable();
            let mut new_groups = snapshot
-                .diagnostic_groups()
+                .diagnostic_groups(language_server_id)
                .into_iter()
-                .filter(|group| {
+                .filter(|(_, group)| {
                    group.entries[group.primary_ix].diagnostic.severity
                        <= DiagnosticSeverity::WARNING
                })
@@ -278,12 +285,27 @@ impl ProjectDiagnosticsEditor {
                match (old_groups.peek(), new_groups.peek()) {
                    (None, None) => break,
                    (None, Some(_)) => to_insert = new_groups.next(),
-                    (Some(_), None) => to_remove = old_groups.next(),
-                    (Some((_, old_group)), Some(new_group)) => {
+                    (Some((_, old_group)), None) => {
+                        if language_server_id.map_or(true, |id| id == old_group.language_server_id)
+                        {
+                            to_remove = old_groups.next();
+                        } else {
+                            to_keep = old_groups.next();
+                        }
+                    }
+                    (Some((_, old_group)), Some((_, new_group))) => {
                        let old_primary = &old_group.primary_diagnostic;
                        let new_primary = &new_group.entries[new_group.primary_ix];
                        match compare_diagnostics(old_primary, new_primary, &snapshot) {
-                            Ordering::Less => to_remove = old_groups.next(),
+                            Ordering::Less => {
+                                if language_server_id
+                                    .map_or(true, |id| id == old_group.language_server_id)
+                                {
+                                    to_remove = old_groups.next();
+                                } else {
+                                    to_keep = old_groups.next();
+                                }
+                            }
                            Ordering::Equal => {
                                to_keep = old_groups.next();
                                new_groups.next();
@@ -293,8 +315,9 @@ impl ProjectDiagnosticsEditor {
                    }
                }

-                if let Some(group) = to_insert {
+                if let Some((language_server_id, group)) = to_insert {
                    let mut group_state = DiagnosticGroupState {
+                        language_server_id,
                        primary_diagnostic: group.entries[group.primary_ix].clone(),
                        primary_excerpt_ix: 0,
                        excerpts: Default::default(),
@@ -505,12 +528,12 @@ impl ProjectDiagnosticsEditor {
 }

 impl Item for ProjectDiagnosticsEditor {
-    fn tab_content(
+    fn tab_content<T: View>(
        &self,
        _detail: Option<usize>,
        style: &theme::Tab,
        cx: &AppContext,
-    ) -> ElementBox {
+    ) -> AnyElement<T> {
        render_summary(
            &self.summary,
            &style.label.text,
@@ -526,11 +549,20 @@ impl Item for ProjectDiagnosticsEditor {
        false
    }

+    fn added_to_workspace(&mut self, workspace: &mut Workspace, cx: &mut ViewContext<Self>) {
+        self.editor
+            .update(cx, |editor, cx| editor.added_to_workspace(workspace, cx));
+    }
+
    fn navigate(&mut self, data: Box<dyn Any>, cx: &mut ViewContext<Self>) -> bool {
        self.editor
            .update(cx, |editor, cx| editor.navigate(data, cx))
    }

+    fn tab_tooltip_text(&self, _: &AppContext) -> Option<Cow<str>> {
+        Some("Project Diagnostics".into())
+    }
+
    fn is_dirty(&self, cx: &AppContext) -> bool {
        self.excerpts.read(cx).is_dirty(cx)
    }
@@ -602,16 +634,16 @@ impl Item for ProjectDiagnosticsEditor {
        ))
    }

-    fn act_as_type(
-        &self,
+    fn act_as_type<'a>(
+        &'a self,
        type_id: TypeId,
-        self_handle: &ViewHandle<Self>,
-        _: &AppContext,
-    ) -> Option<AnyViewHandle> {
+        self_handle: &'a ViewHandle<Self>,
+        _: &'a AppContext,
+    ) -> Option<&AnyViewHandle> {
        if type_id == TypeId::of::<Self>() {
-            Some(self_handle.into())
+            Some(self_handle)
        } else if type_id == TypeId::of::<Editor>() {
-            Some((&self.editor).into())
+            Some(&self.editor)
        } else {
            None
        }
@@ -625,6 +657,14 @@ impl Item for ProjectDiagnosticsEditor {
        Some("diagnostics")
    }

+    fn breadcrumbs(&self, theme: &theme::Theme, cx: &AppContext) -> Option<Vec<BreadcrumbText>> {
+        self.editor.breadcrumbs(theme, cx)
+    }
+
+    fn breadcrumb_location(&self) -> ToolbarItemLocation {
+        ToolbarItemLocation::PrimaryLeft { flex: None }
+    }
+
    fn deserialize(
        project: ModelHandle<Project>,
        workspace: WeakViewHandle<Workspace>,
@@ -637,7 +677,7 @@ impl Item for ProjectDiagnosticsEditor {
 }

 fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
-    let (message, highlights) = highlight_diagnostic_message(&diagnostic.message);
+    let (message, highlights) = highlight_diagnostic_message(Vec::new(), &diagnostic.message);
    Arc::new(move |cx| {
        let settings = cx.global::<Settings>();
        let theme = &settings.theme.editor;
@@ -658,8 +698,17 @@ fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
                    .with_width(icon_width)
                    .aligned()
                    .contained()
-                    .boxed(),
+                    .with_margin_right(cx.gutter_padding),
            )
+            .with_children(diagnostic.source.as_ref().map(|source| {
+                Label::new(
+                    format!("{source}: "),
+                    style.source.label.clone().with_font_size(font_size),
+                )
+                .contained()
+                .with_style(style.message.container)
+                .aligned()
+            }))
            .with_child(
                Label::new(
                    message.clone(),
@@ -668,47 +717,45 @@ fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
                .with_highlights(highlights.clone())
                .contained()
                .with_style(style.message.container)
-                .with_margin_left(cx.gutter_padding)
-                .aligned()
-                .boxed(),
+                .aligned(),
            )
            .with_children(diagnostic.code.clone().map(|code| {
                Label::new(code, style.code.text.clone().with_font_size(font_size))
                    .contained()
                    .with_style(style.code.container)
                    .aligned()
-                    .boxed()
            }))
            .contained()
            .with_style(style.container)
            .with_padding_left(cx.gutter_padding)
            .with_padding_right(cx.gutter_padding)
            .expanded()
-            .named("diagnostic header")
+            .into_any_named("diagnostic header")
    })
 }

-pub(crate) fn render_summary(
+pub(crate) fn render_summary<T: View>(
    summary: &DiagnosticSummary,
    text_style: &TextStyle,
    theme: &theme::ProjectDiagnostics,
-) -> ElementBox {
+) -> AnyElement<T> {
    if summary.error_count == 0 && summary.warning_count == 0 {
-        Label::new("No problems", text_style.clone()).boxed()
+        Label::new("No problems", text_style.clone()).into_any()
    } else {
        let icon_width = theme.tab_icon_width;
        let icon_spacing = theme.tab_icon_spacing;
        let summary_spacing = theme.tab_summary_spacing;
        Flex::row()
-            .with_children([
+            .with_child(
                Svg::new("icons/circle_x_mark_12.svg")
                    .with_color(text_style.color)
                    .constrained()
                    .with_width(icon_width)
                    .aligned()
                    .contained()
-                    .with_margin_right(icon_spacing)
-                    .named("no-icon"),
+                    .with_margin_right(icon_spacing),
+            )
+            .with_child(
                Label::new(
                    summary.error_count.to_string(),
                    LabelStyle {
@@ -716,8 +763,9 @@ pub(crate) fn render_summary(
                        highlight_text: None,
                    },
                )
-                .aligned()
-                .boxed(),
+                .aligned(),
+            )
+            .with_child(
                Svg::new("icons/triangle_exclamation_12.svg")
                    .with_color(text_style.color)
                    .constrained()
@@ -725,8 +773,9 @@ pub(crate) fn render_summary(
                    .aligned()
                    .contained()
                    .with_margin_left(summary_spacing)
-                    .with_margin_right(icon_spacing)
-                    .named("warn-icon"),
+                    .with_margin_right(icon_spacing),
+            )
+            .with_child(
                Label::new(
                    summary.warning_count.to_string(),
                    LabelStyle {
@@ -734,10 +783,9 @@ pub(crate) fn render_summary(
                        highlight_text: None,
                    },
                )
-                .aligned()
-                .boxed(),
-            ])
-            .boxed()
+                .aligned(),
+            )
+            .into_any()
    }
 }

@@ -766,28 +814,26 @@ mod tests {
        display_map::{BlockContext, TransformBlock},
        DisplayPoint,
    };
-    use gpui::TestAppContext;
+    use gpui::{TestAppContext, WindowContext};
    use language::{Diagnostic, DiagnosticEntry, DiagnosticSeverity, PointUtf16, Unclipped};
+    use project::FakeFs;
    use serde_json::json;
    use unindent::Unindent as _;
-    use workspace::AppState;

    #[gpui::test]
    async fn test_diagnostics(cx: &mut TestAppContext) {
-        let app_state = cx.update(AppState::test);
-        app_state
-            .fs
-            .as_fake()
-            .insert_tree(
-                "/test",
-                json!({
-                    "consts.rs": "
+        Settings::test_async(cx);
+        let fs = FakeFs::new(cx.background());
+        fs.insert_tree(
+            "/test",
+            json!({
+                "consts.rs": "
                        const a: i32 = 'a';
                        const b: i32 = c;
                    "
-                    .unindent(),
+                .unindent(),

-                    "main.rs": "
+                "main.rs": "
                        fn main() {
                            let x = vec![];
                            let y = vec![];
@@ -799,27 +845,20 @@ mod tests {
                            d(x);
                        }
                    "
-                    .unindent(),
-                }),
-            )
-            .await;
+                .unindent(),
+            }),
+        )
+        .await;

-        let project = Project::test(app_state.fs.clone(), ["/test".as_ref()], cx).await;
-        let (_, workspace) = cx.add_window(|cx| {
-            Workspace::new(
-                Default::default(),
-                0,
-                project.clone(),
-                |_, _| unimplemented!(),
-                cx,
-            )
-        });
+        let language_server_id = LanguageServerId(0);
+        let project = Project::test(fs.clone(), ["/test".as_ref()], cx).await;
+        let (window_id, workspace) = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));

        // Create some diagnostics
        project.update(cx, |project, cx| {
            project
                .update_diagnostic_entries(
-                    0,
+                    language_server_id,
                    PathBuf::from("/test/main.rs"),
                    None,
                    vec![
@@ -900,7 +939,7 @@ mod tests {
        });

        // Open the project diagnostics view while there are already diagnostics.
-        let view = cx.add_view(&workspace, |cx| {
+        let view = cx.add_view(window_id, |cx| {
            ProjectDiagnosticsEditor::new(project.clone(), workspace.downgrade(), cx)
        });

@@ -968,10 +1007,10 @@ mod tests {

        // Diagnostics are added for another earlier path.
        project.update(cx, |project, cx| {
-            project.disk_based_diagnostics_started(0, cx);
+            project.disk_based_diagnostics_started(language_server_id, cx);
            project
                .update_diagnostic_entries(
-                    0,
+                    language_server_id,
                    PathBuf::from("/test/consts.rs"),
                    None,
                    vec![DiagnosticEntry {
@@ -988,7 +1027,7 @@ mod tests {
                    cx,
                )
                .unwrap();
-            project.disk_based_diagnostics_finished(0, cx);
+            project.disk_based_diagnostics_finished(language_server_id, cx);
        });

        view.next_notification(cx).await;
@@ -1068,10 +1107,10 @@ mod tests {

        // Diagnostics are added to the first path
        project.update(cx, |project, cx| {
-            project.disk_based_diagnostics_started(0, cx);
+            project.disk_based_diagnostics_started(language_server_id, cx);
            project
                .update_diagnostic_entries(
-                    0,
+                    language_server_id,
                    PathBuf::from("/test/consts.rs"),
                    None,
                    vec![
@@ -1104,7 +1143,7 @@ mod tests {
                    cx,
                )
                .unwrap();
-            project.disk_based_diagnostics_finished(0, cx);
+            project.disk_based_diagnostics_finished(language_server_id, cx);
        });

        view.next_notification(cx).await;
@@ -1184,13 +1223,274 @@ mod tests {
        });
    }

-    fn editor_blocks(
-        editor: &ViewHandle<Editor>,
-        cx: &mut MutableAppContext,
-    ) -> Vec<(u32, String)> {
-        let mut presenter = cx.build_presenter(editor.id(), 0., Default::default());
-        let mut cx = presenter.build_layout_context(Default::default(), false, cx);
-        cx.render(editor, |editor, cx| {
+    #[gpui::test]
+    async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
+        Settings::test_async(cx);
+        let fs = FakeFs::new(cx.background());
+        fs.insert_tree(
+            "/test",
+            json!({
+                "main.js": "
+                    a();
+                    b();
+                    c();
+                    d();
+                    e();
+                ".unindent()
+            }),
+        )
+        .await;
+
+        let server_id_1 = LanguageServerId(100);
+        let server_id_2 = LanguageServerId(101);
+        let project = Project::test(fs.clone(), ["/test".as_ref()], cx).await;
+        let (window_id, workspace) = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
+
+        let view = cx.add_view(window_id, |cx| {
+            ProjectDiagnosticsEditor::new(project.clone(), workspace.downgrade(), cx)
+        });
+
+        // Two language servers start updating diagnostics
+        project.update(cx, |project, cx| {
+            project.disk_based_diagnostics_started(server_id_1, cx);
+            project.disk_based_diagnostics_started(server_id_2, cx);
+            project
+                .update_diagnostic_entries(
+                    server_id_1,
+                    PathBuf::from("/test/main.js"),
+                    None,
+                    vec![DiagnosticEntry {
+                        range: Unclipped(PointUtf16::new(0, 0))..Unclipped(PointUtf16::new(0, 1)),
+                        diagnostic: Diagnostic {
+                            message: "error 1".to_string(),
+                            severity: DiagnosticSeverity::WARNING,
+                            is_primary: true,
+                            is_disk_based: true,
+                            group_id: 1,
+                            ..Default::default()
+                        },
+                    }],
+                    cx,
+                )
+                .unwrap();
+            project
+                .update_diagnostic_entries(
+                    server_id_2,
+                    PathBuf::from("/test/main.js"),
+                    None,
+                    vec![DiagnosticEntry {
+                        range: Unclipped(PointUtf16::new(1, 0))..Unclipped(PointUtf16::new(1, 1)),
+                        diagnostic: Diagnostic {
+                            message: "warning 1".to_string(),
+                            severity: DiagnosticSeverity::ERROR,
+                            is_primary: true,
+                            is_disk_based: true,
+                            group_id: 2,
+                            ..Default::default()
+                        },
+                    }],
+                    cx,
+                )
+                .unwrap();
+        });
+
+        // The first language server finishes
+        project.update(cx, |project, cx| {
+            project.disk_based_diagnostics_finished(server_id_1, cx);
+        });
+
+        // Only the first language server's diagnostics are shown.
+        cx.foreground().run_until_parked();
+        view.update(cx, |view, cx| {
+            assert_eq!(
+                editor_blocks(&view.editor, cx),
+                [
+                    (0, "path header block".into()),
+                    (2, "diagnostic header".into()),
+                ]
+            );
+            assert_eq!(
+                view.editor.update(cx, |editor, cx| editor.display_text(cx)),
+                concat!(
+                    "\n", // filename
+                    "\n", // padding
+                    // diagnostic group 1
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "a();\n", //
+                    "b();",
+                )
+            );
+        });
+
+        // The second language server finishes
+        project.update(cx, |project, cx| {
+            project.disk_based_diagnostics_finished(server_id_2, cx);
+        });
+
+        // Both language server's diagnostics are shown.
+        cx.foreground().run_until_parked();
+        view.update(cx, |view, cx| {
+            assert_eq!(
+                editor_blocks(&view.editor, cx),
+                [
+                    (0, "path header block".into()),
+                    (2, "diagnostic header".into()),
+                    (6, "collapsed context".into()),
+                    (7, "diagnostic header".into()),
+                ]
+            );
+            assert_eq!(
+                view.editor.update(cx, |editor, cx| editor.display_text(cx)),
+                concat!(
+                    "\n", // filename
+                    "\n", // padding
+                    // diagnostic group 1
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "a();\n", // location
+                    "b();\n", //
+                    "\n",     // collapsed context
+                    // diagnostic group 2
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "a();\n", // context
+                    "b();\n", //
+                    "c();",   // context
+                )
+            );
+        });
+
+        // Both language servers start updating diagnostics, and the first server finishes.
+        project.update(cx, |project, cx| {
+            project.disk_based_diagnostics_started(server_id_1, cx);
+            project.disk_based_diagnostics_started(server_id_2, cx);
+            project
+                .update_diagnostic_entries(
+                    server_id_1,
+                    PathBuf::from("/test/main.js"),
+                    None,
+                    vec![DiagnosticEntry {
+                        range: Unclipped(PointUtf16::new(2, 0))..Unclipped(PointUtf16::new(2, 1)),
+                        diagnostic: Diagnostic {
+                            message: "warning 2".to_string(),
+                            severity: DiagnosticSeverity::WARNING,
+                            is_primary: true,
+                            is_disk_based: true,
+                            group_id: 1,
+                            ..Default::default()
+                        },
+                    }],
+                    cx,
+                )
+                .unwrap();
+            project
+                .update_diagnostic_entries(
+                    server_id_2,
+                    PathBuf::from("/test/main.rs"),
+                    None,
+                    vec![],
+                    cx,
+                )
+                .unwrap();
+            project.disk_based_diagnostics_finished(server_id_1, cx);
+        });
+
+        // Only the first language server's diagnostics are updated.
+        cx.foreground().run_until_parked();
+        view.update(cx, |view, cx| {
+            assert_eq!(
+                editor_blocks(&view.editor, cx),
+                [
+                    (0, "path header block".into()),
+                    (2, "diagnostic header".into()),
+                    (7, "collapsed context".into()),
+                    (8, "diagnostic header".into()),
+                ]
+            );
+            assert_eq!(
+                view.editor.update(cx, |editor, cx| editor.display_text(cx)),
+                concat!(
+                    "\n", // filename
+                    "\n", // padding
+                    // diagnostic group 1
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "a();\n", // location
+                    "b();\n", //
+                    "c();\n", // context
+                    "\n",     // collapsed context
+                    // diagnostic group 2
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "b();\n", // context
+                    "c();\n", //
+                    "d();",   // context
+                )
+            );
+        });
+
+        // The second language server finishes.
+        project.update(cx, |project, cx| {
+            project
+                .update_diagnostic_entries(
+                    server_id_2,
+                    PathBuf::from("/test/main.js"),
+                    None,
+                    vec![DiagnosticEntry {
+                        range: Unclipped(PointUtf16::new(3, 0))..Unclipped(PointUtf16::new(3, 1)),
+                        diagnostic: Diagnostic {
+                            message: "warning 2".to_string(),
+                            severity: DiagnosticSeverity::WARNING,
+                            is_primary: true,
+                            is_disk_based: true,
+                            group_id: 1,
+                            ..Default::default()
+                        },
+                    }],
+                    cx,
+                )
+                .unwrap();
+            project.disk_based_diagnostics_finished(server_id_2, cx);
+        });
+
+        // Both language servers' diagnostics are updated.
+        cx.foreground().run_until_parked();
+        view.update(cx, |view, cx| {
+            assert_eq!(
+                editor_blocks(&view.editor, cx),
+                [
+                    (0, "path header block".into()),
+                    (2, "diagnostic header".into()),
+                    (7, "collapsed context".into()),
+                    (8, "diagnostic header".into()),
+                ]
+            );
+            assert_eq!(
+                view.editor.update(cx, |editor, cx| editor.display_text(cx)),
+                concat!(
+                    "\n", // filename
+                    "\n", // padding
+                    // diagnostic group 1
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "b();\n", // location
+                    "c();\n", //
+                    "d();\n", // context
+                    "\n",     // collapsed context
+                    // diagnostic group 2
+                    "\n",     // primary message
+                    "\n",     // padding
+                    "c();\n", // context
+                    "d();\n", //
+                    "e();",   // context
+                )
+            );
+        });
+    }
+
+    fn editor_blocks(editor: &ViewHandle<Editor>, cx: &mut WindowContext) -> Vec<(u32, String)> {
+        editor.update(cx, |editor, cx| {
            let snapshot = editor.snapshot(cx);
            snapshot
                .blocks_in_range(0..snapshot.max_point().row())
@@ -1198,7 +1498,7 @@ mod tests {
                    let name = match block {
                        TransformBlock::Custom(block) => block
                            .render(&mut BlockContext {
-                                cx,
+                                view_context: cx,
                                anchor_x: 0.,
                                scroll_x: 0.,
                                gutter_padding: 0.,
--- a/crates/diagnostics/src/items.rs
+++ b/crates/diagnostics/src/items.rs
@@ -1,28 +1,33 @@
 use collections::HashSet;
 use editor::{Editor, GoToDiagnostic};
 use gpui::{
-    elements::*, platform::CursorStyle, serde_json, Entity, ModelHandle, MouseButton,
-    MutableAppContext, RenderContext, Subscription, View, ViewContext, ViewHandle, WeakViewHandle,
+    elements::*,
+    platform::{CursorStyle, MouseButton},
+    serde_json, AppContext, Entity, Subscription, View, ViewContext, ViewHandle, WeakViewHandle,
 };
 use language::Diagnostic;
-use project::Project;
+use lsp::LanguageServerId;
 use settings::Settings;
-use workspace::{item::ItemHandle, StatusItemView};
+use workspace::{item::ItemHandle, StatusItemView, Workspace};
+
+use crate::ProjectDiagnosticsEditor;

 pub struct DiagnosticIndicator {
    summary: project::DiagnosticSummary,
    active_editor: Option<WeakViewHandle<Editor>>,
+    workspace: WeakViewHandle<Workspace>,
    current_diagnostic: Option<Diagnostic>,
-    in_progress_checks: HashSet<usize>,
+    in_progress_checks: HashSet<LanguageServerId>,
    _observe_active_editor: Option<Subscription>,
 }

-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(cx: &mut AppContext) {
    cx.add_action(DiagnosticIndicator::go_to_next_diagnostic);
 }

 impl DiagnosticIndicator {
-    pub fn new(project: &ModelHandle<Project>, cx: &mut ViewContext<Self>) -> Self {
+    pub fn new(workspace: &Workspace, cx: &mut ViewContext<Self>) -> Self {
+        let project = workspace.project();
        cx.subscribe(project, |this, project, event, cx| match event {
            project::Event::DiskBasedDiagnosticsStarted { language_server_id } => {
                this.in_progress_checks.insert(*language_server_id);
@@ -43,6 +48,7 @@ impl DiagnosticIndicator {
                .language_servers_running_disk_based_diagnostics()
                .collect(),
            active_editor: None,
+            workspace: workspace.weak_handle(),
            current_diagnostic: None,
            _observe_active_editor: None,
        }
@@ -82,14 +88,14 @@ impl View for DiagnosticIndicator {
        "DiagnosticIndicator"
    }

-    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        enum Summary {}
        enum Message {}

        let tooltip_style = cx.global::<Settings>().theme.tooltip.clone();
        let in_progress = !self.in_progress_checks.is_empty();
        let mut element = Flex::row().with_child(
-            MouseEventHandler::<Summary>::new(0, cx, |state, cx| {
+            MouseEventHandler::<Summary, _>::new(0, cx, |state, cx| {
                let style = cx
                    .global::<Settings>()
                    .theme
@@ -100,23 +106,23 @@ impl View for DiagnosticIndicator {

                let mut summary_row = Flex::row();
                if self.summary.error_count > 0 {
-                    summary_row.add_children([
+                    summary_row.add_child(
                        Svg::new("icons/circle_x_mark_16.svg")
                            .with_color(style.icon_color_error)
                            .constrained()
                            .with_width(style.icon_width)
                            .aligned()
                            .contained()
-                            .with_margin_right(style.icon_spacing)
-                            .named("error-icon"),
+                            .with_margin_right(style.icon_spacing),
+                    );
+                    summary_row.add_child(
                        Label::new(self.summary.error_count.to_string(), style.text.clone())
-                            .aligned()
-                            .boxed(),
-                    ]);
+                            .aligned(),
+                    );
                }

                if self.summary.warning_count > 0 {
-                    summary_row.add_children([
+                    summary_row.add_child(
                        Svg::new("icons/triangle_exclamation_16.svg")
                            .with_color(style.icon_color_warning)
                            .constrained()
@@ -128,12 +134,12 @@ impl View for DiagnosticIndicator {
                                style.summary_spacing
                            } else {
                                0.
-                            })
-                            .named("warning-icon"),
+                            }),
+                    );
+                    summary_row.add_child(
                        Label::new(self.summary.warning_count.to_string(), style.text.clone())
-                            .aligned()
-                            .boxed(),
-                    ]);
+                            .aligned(),
+                    );
                }

                if self.summary.error_count == 0 && self.summary.warning_count == 0 {
@@ -143,7 +149,7 @@ impl View for DiagnosticIndicator {
                            .constrained()
                            .with_width(style.icon_width)
                            .aligned()
-                            .named("ok-icon"),
+                            .into_any_named("ok-icon"),
                    );
                }

@@ -158,11 +164,16 @@ impl View for DiagnosticIndicator {
                    } else {
                        style.container_ok
                    })
-                    .boxed()
            })
            .with_cursor_style(CursorStyle::PointingHand)
-            .on_click(MouseButton::Left, |_, cx| cx.dispatch_action(crate::Deploy))
-            .with_tooltip::<Summary, _>(
+            .on_click(MouseButton::Left, |_, this, cx| {
+                if let Some(workspace) = this.workspace.upgrade(cx) {
+                    workspace.update(cx, |workspace, cx| {
+                        ProjectDiagnosticsEditor::deploy(workspace, &Default::default(), cx)
+                    })
+                }
+            })
+            .with_tooltip::<Summary>(
                0,
                "Project Diagnostics".to_string(),
                Some(Box::new(crate::Deploy)),
@@ -170,7 +181,7 @@ impl View for DiagnosticIndicator {
                cx,
            )
            .aligned()
-            .boxed(),
+            .into_any(),
        );

        let style = &cx.global::<Settings>().theme.workspace.status_bar;
@@ -181,13 +192,12 @@ impl View for DiagnosticIndicator {
                Label::new("Checking…", style.diagnostic_message.default.text.clone())
                    .aligned()
                    .contained()
-                    .with_margin_left(item_spacing)
-                    .boxed(),
+                    .with_margin_left(item_spacing),
            );
        } else if let Some(diagnostic) = &self.current_diagnostic {
            let message_style = style.diagnostic_message.clone();
            element.add_child(
-                MouseEventHandler::<Message>::new(1, cx, |state, _| {
+                MouseEventHandler::<Message, _>::new(1, cx, |state, _| {
                    Label::new(
                        diagnostic.message.split('\n').next().unwrap().to_string(),
                        message_style.style_for(state, false).text.clone(),
@@ -195,17 +205,15 @@ impl View for DiagnosticIndicator {
                    .aligned()
                    .contained()
                    .with_margin_left(item_spacing)
-                    .boxed()
                })
                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, |_, cx| {
-                    cx.dispatch_action(GoToDiagnostic)
-                })
-                .boxed(),
+                .on_click(MouseButton::Left, |_, this, cx| {
+                    this.go_to_next_diagnostic(&Default::default(), cx)
+                }),
            );
        }

-        element.named("diagnostic indicator")
+        element.into_any_named("diagnostic indicator")
    }

    fn debug_json(&self, _: &gpui::AppContext) -> serde_json::Value {
--- a/crates/drag_and_drop/src/drag_and_drop.rs
+++ b/crates/drag_and_drop/src/drag_and_drop.rs
@@ -4,9 +4,9 @@ use collections::HashSet;
 use gpui::{
    elements::{Empty, MouseEventHandler, Overlay},
    geometry::{rect::RectF, vector::Vector2F},
+    platform::{CursorStyle, MouseButton},
    scene::{MouseDown, MouseDrag},
-    CursorStyle, Element, ElementBox, EventContext, MouseButton, MutableAppContext, RenderContext,
-    View, WeakViewHandle,
+    AnyElement, Element, View, ViewContext, WeakViewHandle, WindowContext,
 };

 const DEAD_ZONE: f32 = 4.;
@@ -26,7 +26,7 @@ enum State<V: View> {
        region_offset: Vector2F,
        region: RectF,
        payload: Rc<dyn Any + 'static>,
-        render: Rc<dyn Fn(Rc<dyn Any>, &mut RenderContext<V>) -> ElementBox>,
+        render: Rc<dyn Fn(Rc<dyn Any>, &mut ViewContext<V>) -> AnyElement<V>>,
    },
    Canceled,
 }
@@ -111,7 +111,7 @@ impl<V: View> DragAndDrop<V> {
        })
    }

-    pub fn drag_started(event: MouseDown, cx: &mut EventContext) {
+    pub fn drag_started(event: MouseDown, cx: &mut WindowContext) {
        cx.update_global(|this: &mut Self, _| {
            this.currently_dragged = Some(State::Down {
                region_offset: event.position - event.region.origin(),
@@ -123,8 +123,8 @@ impl<V: View> DragAndDrop<V> {
    pub fn dragging<T: Any>(
        event: MouseDrag,
        payload: Rc<T>,
-        cx: &mut EventContext,
-        render: Rc<impl 'static + Fn(&T, &mut RenderContext<V>) -> ElementBox>,
+        cx: &mut WindowContext,
+        render: Rc<impl 'static + Fn(&T, &mut ViewContext<V>) -> AnyElement<V>>,
    ) {
        let window_id = cx.window_id();
        cx.update_global(|this: &mut Self, cx| {
@@ -178,7 +178,7 @@ impl<V: View> DragAndDrop<V> {
        });
    }

-    pub fn render(cx: &mut RenderContext<V>) -> Option<ElementBox> {
+    pub fn render(cx: &mut ViewContext<V>) -> Option<AnyElement<V>> {
        enum DraggedElementHandler {}
        cx.global::<Self>()
            .currently_dragged
@@ -199,23 +199,25 @@ impl<V: View> DragAndDrop<V> {
                            return None;
                        }

-                        let position = position - region_offset;
+                        let position = (position - region_offset).round();
                        Some(
                            Overlay::new(
-                                MouseEventHandler::<DraggedElementHandler>::new(0, cx, |_, cx| {
-                                    render(payload, cx)
-                                })
+                                MouseEventHandler::<DraggedElementHandler, V>::new(
+                                    0,
+                                    cx,
+                                    |_, cx| render(payload, cx),
+                                )
                                .with_cursor_style(CursorStyle::Arrow)
-                                .on_up(MouseButton::Left, |_, cx| {
-                                    cx.defer(|cx| {
+                                .on_up(MouseButton::Left, |_, _, cx| {
+                                    cx.window_context().defer(|cx| {
                                        cx.update_global::<Self, _, _>(|this, cx| {
                                            this.finish_dragging(cx)
                                        });
                                    });
                                    cx.propagate_event();
                                })
-                                .on_up_out(MouseButton::Left, |_, cx| {
-                                    cx.defer(|cx| {
+                                .on_up_out(MouseButton::Left, |_, _, cx| {
+                                    cx.window_context().defer(|cx| {
                                        cx.update_global::<Self, _, _>(|this, cx| {
                                            this.finish_dragging(cx)
                                        });
@@ -225,43 +227,38 @@ impl<V: View> DragAndDrop<V> {
                                .with_hoverable(false)
                                .constrained()
                                .with_width(region.width())
-                                .with_height(region.height())
-                                .boxed(),
+                                .with_height(region.height()),
                            )
                            .with_anchor_position(position)
-                            .boxed(),
+                            .into_any(),
                        )
                    }

                    State::Canceled => Some(
-                        MouseEventHandler::<DraggedElementHandler>::new(0, cx, |_, _| {
-                            Empty::new()
-                                .constrained()
-                                .with_width(0.)
-                                .with_height(0.)
-                                .boxed()
+                        MouseEventHandler::<DraggedElementHandler, V>::new(0, cx, |_, _| {
+                            Empty::new().constrained().with_width(0.).with_height(0.)
                        })
-                        .on_up(MouseButton::Left, |_, cx| {
-                            cx.defer(|cx| {
+                        .on_up(MouseButton::Left, |_, _, cx| {
+                            cx.window_context().defer(|cx| {
                                cx.update_global::<Self, _, _>(|this, _| {
                                    this.currently_dragged = None;
                                });
                            });
                        })
-                        .on_up_out(MouseButton::Left, |_, cx| {
-                            cx.defer(|cx| {
+                        .on_up_out(MouseButton::Left, |_, _, cx| {
+                            cx.window_context().defer(|cx| {
                                cx.update_global::<Self, _, _>(|this, _| {
                                    this.currently_dragged = None;
                                });
                            });
                        })
-                        .boxed(),
+                        .into_any(),
                    ),
                }
            })
    }

-    pub fn cancel_dragging<P: Any>(&mut self, cx: &mut MutableAppContext) {
+    pub fn cancel_dragging<P: Any>(&mut self, cx: &mut WindowContext) {
        if let Some(State::Dragging {
            payload, window_id, ..
        }) = &self.currently_dragged
@@ -274,13 +271,13 @@ impl<V: View> DragAndDrop<V> {
        }
    }

-    fn finish_dragging(&mut self, cx: &mut MutableAppContext) {
+    fn finish_dragging(&mut self, cx: &mut WindowContext) {
        if let Some(State::Dragging { window_id, .. }) = self.currently_dragged.take() {
            self.notify_containers_for_window(window_id, cx);
        }
    }

-    fn notify_containers_for_window(&mut self, window_id: usize, cx: &mut MutableAppContext) {
+    fn notify_containers_for_window(&mut self, window_id: usize, cx: &mut WindowContext) {
        self.containers.retain(|container| {
            if let Some(container) = container.upgrade(cx) {
                if container.window_id() == window_id {
@@ -294,35 +291,35 @@ impl<V: View> DragAndDrop<V> {
    }
 }

-pub trait Draggable {
-    fn as_draggable<V: View, P: Any>(
+pub trait Draggable<V: View> {
+    fn as_draggable<D: View, P: Any>(
        self,
        payload: P,
-        render: impl 'static + Fn(&P, &mut RenderContext<V>) -> ElementBox,
+        render: impl 'static + Fn(&P, &mut ViewContext<D>) -> AnyElement<D>,
    ) -> Self
    where
        Self: Sized;
 }

-impl<Tag> Draggable for MouseEventHandler<Tag> {
-    fn as_draggable<V: View, P: Any>(
+impl<Tag, V: View> Draggable<V> for MouseEventHandler<Tag, V> {
+    fn as_draggable<D: View, P: Any>(
        self,
        payload: P,
-        render: impl 'static + Fn(&P, &mut RenderContext<V>) -> ElementBox,
+        render: impl 'static + Fn(&P, &mut ViewContext<D>) -> AnyElement<D>,
    ) -> Self
    where
        Self: Sized,
    {
        let payload = Rc::new(payload);
        let render = Rc::new(render);
-        self.on_down(MouseButton::Left, move |e, cx| {
+        self.on_down(MouseButton::Left, move |e, _, cx| {
            cx.propagate_event();
-            DragAndDrop::<V>::drag_started(e, cx);
+            DragAndDrop::<D>::drag_started(e, cx);
        })
-        .on_drag(MouseButton::Left, move |e, cx| {
+        .on_drag(MouseButton::Left, move |e, _, cx| {
            let payload = payload.clone();
            let render = render.clone();
-            DragAndDrop::<V>::dragging(e, payload, cx, render)
+            DragAndDrop::<D>::dragging(e, payload, cx, render)
        })
    }
 }
--- a/crates/editor/Cargo.toml
+++ b/crates/editor/Cargo.toml
@@ -11,6 +11,7 @@ doctest = false
 [features]
 test-support = [
    "rand",
+    "copilot/test-support",
    "text/test-support",
    "language/test-support",
    "gpui/test-support",
@@ -22,10 +23,11 @@ test-support = [
 ]

 [dependencies]
-drag_and_drop = { path = "../drag_and_drop" }
-text = { path = "../text" }
+client = { path = "../client" }
 clock = { path = "../clock" }
+copilot = { path = "../copilot" }
 db = { path = "../db" }
+drag_and_drop = { path = "../drag_and_drop" }
 collections = { path = "../collections" }
 context_menu = { path = "../context_menu" }
 fuzzy = { path = "../fuzzy" }
@@ -38,30 +40,35 @@ rpc = { path = "../rpc" }
 settings = { path = "../settings" }
 snippet = { path = "../snippet" }
 sum_tree = { path = "../sum_tree" }
+text = { path = "../text" }
 theme = { path = "../theme" }
 util = { path = "../util" }
 sqlez = { path = "../sqlez" }
 workspace = { path = "../workspace" }
+
 aho-corasick = "0.7"
-anyhow = "1.0"
-futures = "0.3"
+anyhow.workspace = true
+futures.workspace = true
 indoc = "1.0.4"
 itertools = "0.10"
-lazy_static = "1.4"
-log = { version = "0.4.16", features = ["kv_unstable_serde"] }
-ordered-float = "2.1.1"
-parking_lot = "0.11"
-postage = { version = "0.4", features = ["futures-traits"] }
-rand = { version = "0.8.3", optional = true }
-serde = { workspace = true }
-smallvec = { version = "1.6", features = ["union"] }
-smol = "1.2"
+lazy_static.workspace = true
+log.workspace = true
+ordered-float.workspace = true
+parking_lot.workspace = true
+postage.workspace = true
+pulldown-cmark = { version = "0.9.2", default-features = false }
+rand = { workspace = true, optional = true }
+serde.workspace = true
+serde_derive.workspace = true
+smallvec.workspace = true
+smol.workspace = true
 tree-sitter-rust = { version = "*", optional = true }
 tree-sitter-html = { version = "*", optional = true }
 tree-sitter-javascript = { version = "*", optional = true }
 tree-sitter-typescript = { git = "https://github.com/tree-sitter/tree-sitter-typescript", rev = "5d20856f34315b068c41edaee2ac8a100081d259", optional = true }

 [dev-dependencies]
+copilot = { path = "../copilot", features = ["test-support"] }
 text = { path = "../text", features = ["test-support"] }
 language = { path = "../language", features = ["test-support"] }
 lsp = { path = "../lsp", features = ["test-support"] }
@@ -70,10 +77,12 @@ util = { path = "../util", features = ["test-support"] }
 project = { path = "../project", features = ["test-support"] }
 settings = { path = "../settings", features = ["test-support"] }
 workspace = { path = "../workspace", features = ["test-support"] }
-ctor = "0.1"
-env_logger = "0.9"
-rand = "0.8"
-unindent = "0.1.7"
+
+ctor.workspace = true
+env_logger.workspace = true
+glob.workspace = true
+rand.workspace = true
+unindent.workspace = true
 tree-sitter = "0.20"
 tree-sitter-rust = "0.20"
 tree-sitter-html = "0.19"
--- a/crates/editor/src/blink_manager.rs
+++ b/crates/editor/src/blink_manager.rs
@@ -15,12 +15,9 @@ pub struct BlinkManager {

 impl BlinkManager {
    pub fn new(blink_interval: Duration, cx: &mut ModelContext<Self>) -> Self {
-        let weak_handle = cx.weak_handle();
-        cx.observe_global::<Settings, _>(move |_, cx| {
-            if let Some(this) = weak_handle.upgrade(cx) {
-                // Make sure we blink the cursors if the setting is re-enabled
-                this.update(cx, |this, cx| this.blink_cursors(this.blink_epoch, cx));
-            }
+        cx.observe_global::<Settings, _>(move |this, cx| {
+            // Make sure we blink the cursors if the setting is re-enabled
+            this.blink_cursors(this.blink_epoch, cx)
        })
        .detach();

--- a/crates/editor/src/display_map.rs
+++ b/crates/editor/src/display_map.rs
@@ -1,19 +1,23 @@
 mod block_map;
 mod fold_map;
+mod suggestion_map;
 mod tab_map;
 mod wrap_map;

 use crate::{Anchor, AnchorRangeExt, MultiBuffer, MultiBufferSnapshot, ToOffset, ToPoint};
-use block_map::{BlockMap, BlockPoint};
+pub use block_map::{BlockMap, BlockPoint};
 use collections::{HashMap, HashSet};
-use fold_map::FoldMap;
+use fold_map::{FoldMap, FoldOffset};
 use gpui::{
+    color::Color,
    fonts::{FontId, HighlightStyle},
    Entity, ModelContext, ModelHandle,
 };
 use language::{OffsetUtf16, Point, Subscription as BufferSubscription};
 use settings::Settings;
 use std::{any::TypeId, fmt::Debug, num::NonZeroU32, ops::Range, sync::Arc};
+pub use suggestion_map::Suggestion;
+use suggestion_map::SuggestionMap;
 use sum_tree::{Bias, TreeMap};
 use tab_map::TabMap;
 use wrap_map::WrapMap;
@@ -23,6 +27,12 @@ pub use block_map::{
    BlockDisposition, BlockId, BlockProperties, BlockStyle, RenderBlock, TransformBlock,
 };

+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum FoldStatus {
+    Folded,
+    Foldable,
+}
+
 pub trait ToDisplayPoint {
    fn to_display_point(&self, map: &DisplaySnapshot) -> DisplayPoint;
 }
@@ -33,6 +43,7 @@ pub struct DisplayMap {
    buffer: ModelHandle<MultiBuffer>,
    buffer_subscription: BufferSubscription,
    fold_map: FoldMap,
+    suggestion_map: SuggestionMap,
    tab_map: TabMap,
    wrap_map: ModelHandle<WrapMap>,
    block_map: BlockMap,
@@ -58,6 +69,7 @@ impl DisplayMap {

        let tab_size = Self::tab_size(&buffer, cx);
        let (fold_map, snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
+        let (suggestion_map, snapshot) = SuggestionMap::new(snapshot);
        let (tab_map, snapshot) = TabMap::new(snapshot, tab_size);
        let (wrap_map, snapshot) = WrapMap::new(snapshot, font_id, font_size, wrap_width, cx);
        let block_map = BlockMap::new(snapshot, buffer_header_height, excerpt_header_height);
@@ -66,6 +78,7 @@ impl DisplayMap {
            buffer,
            buffer_subscription,
            fold_map,
+            suggestion_map,
            tab_map,
            wrap_map,
            block_map,
@@ -77,21 +90,25 @@ impl DisplayMap {
    pub fn snapshot(&self, cx: &mut ModelContext<Self>) -> DisplaySnapshot {
        let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
        let edits = self.buffer_subscription.consume().into_inner();
-        let (folds_snapshot, edits) = self.fold_map.read(buffer_snapshot, edits);
+        let (fold_snapshot, edits) = self.fold_map.read(buffer_snapshot, edits);
+        let (suggestion_snapshot, edits) = self.suggestion_map.sync(fold_snapshot.clone(), edits);

        let tab_size = Self::tab_size(&self.buffer, cx);
-        let (tabs_snapshot, edits) = self.tab_map.sync(folds_snapshot.clone(), edits, tab_size);
-        let (wraps_snapshot, edits) = self
+        let (tab_snapshot, edits) = self
+            .tab_map
+            .sync(suggestion_snapshot.clone(), edits, tab_size);
+        let (wrap_snapshot, edits) = self
            .wrap_map
-            .update(cx, |map, cx| map.sync(tabs_snapshot.clone(), edits, cx));
-        let blocks_snapshot = self.block_map.read(wraps_snapshot.clone(), edits);
+            .update(cx, |map, cx| map.sync(tab_snapshot.clone(), edits, cx));
+        let block_snapshot = self.block_map.read(wrap_snapshot.clone(), edits);

        DisplaySnapshot {
            buffer_snapshot: self.buffer.read(cx).snapshot(cx),
-            folds_snapshot,
-            tabs_snapshot,
-            wraps_snapshot,
-            blocks_snapshot,
+            fold_snapshot,
+            suggestion_snapshot,
+            tab_snapshot,
+            wrap_snapshot,
+            block_snapshot,
            text_highlights: self.text_highlights.clone(),
            clip_at_line_ends: self.clip_at_line_ends,
        }
@@ -115,12 +132,14 @@ impl DisplayMap {
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
        let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
        self.block_map.read(snapshot, edits);
        let (snapshot, edits) = fold_map.fold(ranges);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
@@ -138,12 +157,14 @@ impl DisplayMap {
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
        let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
        self.block_map.read(snapshot, edits);
        let (snapshot, edits) = fold_map.unfold(ranges, inclusive);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
@@ -160,6 +181,7 @@ impl DisplayMap {
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
        let (snapshot, edits) = self.fold_map.read(snapshot, edits);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
@@ -177,6 +199,7 @@ impl DisplayMap {
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
        let (snapshot, edits) = self.fold_map.read(snapshot, edits);
+        let (snapshot, edits) = self.suggestion_map.sync(snapshot, edits);
        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
        let (snapshot, edits) = self
            .wrap_map
@@ -207,11 +230,41 @@ impl DisplayMap {
        self.text_highlights.remove(&Some(type_id))
    }

+    pub fn has_suggestion(&self) -> bool {
+        self.suggestion_map.has_suggestion()
+    }
+
+    pub fn replace_suggestion<T>(
+        &self,
+        new_suggestion: Option<Suggestion<T>>,
+        cx: &mut ModelContext<Self>,
+    ) -> Option<Suggestion<FoldOffset>>
+    where
+        T: ToPoint,
+    {
+        let snapshot = self.buffer.read(cx).snapshot(cx);
+        let edits = self.buffer_subscription.consume().into_inner();
+        let tab_size = Self::tab_size(&self.buffer, cx);
+        let (snapshot, edits) = self.fold_map.read(snapshot, edits);
+        let (snapshot, edits, old_suggestion) =
+            self.suggestion_map.replace(new_suggestion, snapshot, edits);
+        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
+        let (snapshot, edits) = self
+            .wrap_map
+            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
+        self.block_map.read(snapshot, edits);
+        old_suggestion
+    }
+
    pub fn set_font(&self, font_id: FontId, font_size: f32, cx: &mut ModelContext<Self>) -> bool {
        self.wrap_map
            .update(cx, |map, cx| map.set_font(font_id, font_size, cx))
    }

+    pub fn set_fold_ellipses_color(&mut self, color: Color) -> bool {
+        self.fold_map.set_ellipses_color(color)
+    }
+
    pub fn set_wrap_width(&self, width: Option<f32>, cx: &mut ModelContext<Self>) -> bool {
        self.wrap_map
            .update(cx, |map, cx| map.set_wrap_width(width, cx))
@@ -235,10 +288,11 @@ impl DisplayMap {

 pub struct DisplaySnapshot {
    pub buffer_snapshot: MultiBufferSnapshot,
-    folds_snapshot: fold_map::FoldSnapshot,
-    tabs_snapshot: tab_map::TabSnapshot,
-    wraps_snapshot: wrap_map::WrapSnapshot,
-    blocks_snapshot: block_map::BlockSnapshot,
+    fold_snapshot: fold_map::FoldSnapshot,
+    suggestion_snapshot: suggestion_map::SuggestionSnapshot,
+    tab_snapshot: tab_map::TabSnapshot,
+    wrap_snapshot: wrap_map::WrapSnapshot,
+    block_snapshot: block_map::BlockSnapshot,
    text_highlights: TextHighlights,
    clip_at_line_ends: bool,
 }
@@ -246,7 +300,7 @@ pub struct DisplaySnapshot {
 impl DisplaySnapshot {
    #[cfg(test)]
    pub fn fold_count(&self) -> usize {
-        self.folds_snapshot.fold_count()
+        self.fold_snapshot.fold_count()
    }

    pub fn is_empty(&self) -> bool {
@@ -254,7 +308,7 @@ impl DisplaySnapshot {
    }

    pub fn buffer_rows(&self, start_row: u32) -> DisplayBufferRows {
-        self.blocks_snapshot.buffer_rows(start_row)
+        self.block_snapshot.buffer_rows(start_row)
    }

    pub fn max_buffer_row(&self) -> u32 {
@@ -263,9 +317,9 @@ impl DisplaySnapshot {

    pub fn prev_line_boundary(&self, mut point: Point) -> (Point, DisplayPoint) {
        loop {
-            let mut fold_point = self.folds_snapshot.to_fold_point(point, Bias::Left);
+            let mut fold_point = self.fold_snapshot.to_fold_point(point, Bias::Left);
            *fold_point.column_mut() = 0;
-            point = fold_point.to_buffer_point(&self.folds_snapshot);
+            point = fold_point.to_buffer_point(&self.fold_snapshot);

            let mut display_point = self.point_to_display_point(point, Bias::Left);
            *display_point.column_mut() = 0;
@@ -279,9 +333,9 @@ impl DisplaySnapshot {

    pub fn next_line_boundary(&self, mut point: Point) -> (Point, DisplayPoint) {
        loop {
-            let mut fold_point = self.folds_snapshot.to_fold_point(point, Bias::Right);
-            *fold_point.column_mut() = self.folds_snapshot.line_len(fold_point.row());
-            point = fold_point.to_buffer_point(&self.folds_snapshot);
+            let mut fold_point = self.fold_snapshot.to_fold_point(point, Bias::Right);
+            *fold_point.column_mut() = self.fold_snapshot.line_len(fold_point.row());
+            point = fold_point.to_buffer_point(&self.fold_snapshot);

            let mut display_point = self.point_to_display_point(point, Bias::Right);
            *display_point.column_mut() = self.line_len(display_point.row());
@@ -311,37 +365,39 @@ impl DisplaySnapshot {
    }

    fn point_to_display_point(&self, point: Point, bias: Bias) -> DisplayPoint {
-        let fold_point = self.folds_snapshot.to_fold_point(point, bias);
-        let tab_point = self.tabs_snapshot.to_tab_point(fold_point);
-        let wrap_point = self.wraps_snapshot.tab_point_to_wrap_point(tab_point);
-        let block_point = self.blocks_snapshot.to_block_point(wrap_point);
+        let fold_point = self.fold_snapshot.to_fold_point(point, bias);
+        let suggestion_point = self.suggestion_snapshot.to_suggestion_point(fold_point);
+        let tab_point = self.tab_snapshot.to_tab_point(suggestion_point);
+        let wrap_point = self.wrap_snapshot.tab_point_to_wrap_point(tab_point);
+        let block_point = self.block_snapshot.to_block_point(wrap_point);
        DisplayPoint(block_point)
    }

    fn display_point_to_point(&self, point: DisplayPoint, bias: Bias) -> Point {
        let block_point = point.0;
-        let wrap_point = self.blocks_snapshot.to_wrap_point(block_point);
-        let tab_point = self.wraps_snapshot.to_tab_point(wrap_point);
-        let fold_point = self.tabs_snapshot.to_fold_point(tab_point, bias).0;
-        fold_point.to_buffer_point(&self.folds_snapshot)
+        let wrap_point = self.block_snapshot.to_wrap_point(block_point);
+        let tab_point = self.wrap_snapshot.to_tab_point(wrap_point);
+        let suggestion_point = self.tab_snapshot.to_suggestion_point(tab_point, bias).0;
+        let fold_point = self.suggestion_snapshot.to_fold_point(suggestion_point);
+        fold_point.to_buffer_point(&self.fold_snapshot)
    }

    pub fn max_point(&self) -> DisplayPoint {
-        DisplayPoint(self.blocks_snapshot.max_point())
+        DisplayPoint(self.block_snapshot.max_point())
    }

    /// Returns text chunks starting at the given display row until the end of the file
    pub fn text_chunks(&self, display_row: u32) -> impl Iterator<Item = &str> {
-        self.blocks_snapshot
-            .chunks(display_row..self.max_point().row() + 1, false, None)
+        self.block_snapshot
+            .chunks(display_row..self.max_point().row() + 1, false, None, None)
            .map(|h| h.text)
    }

    /// Returns text chunks starting at the end of the given display row in reverse until the start of the file
    pub fn reverse_text_chunks(&self, display_row: u32) -> impl Iterator<Item = &str> {
        (0..=display_row).into_iter().rev().flat_map(|row| {
-            self.blocks_snapshot
-                .chunks(row..row + 1, false, None)
+            self.block_snapshot
+                .chunks(row..row + 1, false, None, None)
                .map(|h| h.text)
                .collect::<Vec<_>>()
                .into_iter()
@@ -349,16 +405,25 @@ impl DisplaySnapshot {
        })
    }

-    pub fn chunks(&self, display_rows: Range<u32>, language_aware: bool) -> DisplayChunks<'_> {
-        self.blocks_snapshot
-            .chunks(display_rows, language_aware, Some(&self.text_highlights))
+    pub fn chunks(
+        &self,
+        display_rows: Range<u32>,
+        language_aware: bool,
+        suggestion_highlight: Option<HighlightStyle>,
+    ) -> DisplayChunks<'_> {
+        self.block_snapshot.chunks(
+            display_rows,
+            language_aware,
+            Some(&self.text_highlights),
+            suggestion_highlight,
+        )
    }

    pub fn chars_at(
        &self,
        mut point: DisplayPoint,
    ) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
-        point = DisplayPoint(self.blocks_snapshot.clip_point(point.0, Bias::Left));
+        point = DisplayPoint(self.block_snapshot.clip_point(point.0, Bias::Left));
        self.text_chunks(point.row())
            .flat_map(str::chars)
            .skip_while({
@@ -385,7 +450,7 @@ impl DisplaySnapshot {
        &self,
        mut point: DisplayPoint,
    ) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
-        point = DisplayPoint(self.blocks_snapshot.clip_point(point.0, Bias::Left));
+        point = DisplayPoint(self.block_snapshot.clip_point(point.0, Bias::Left));
        self.reverse_text_chunks(point.row())
            .flat_map(|chunk| chunk.chars().rev())
            .skip_while({
@@ -499,7 +564,7 @@ impl DisplaySnapshot {
    }

    pub fn clip_point(&self, point: DisplayPoint, bias: Bias) -> DisplayPoint {
-        let mut clipped = self.blocks_snapshot.clip_point(point.0, bias);
+        let mut clipped = self.block_snapshot.clip_point(point.0, bias);
        if self.clip_at_line_ends {
            clipped = self.clip_at_line_end(DisplayPoint(clipped)).0
        }
@@ -510,7 +575,7 @@ impl DisplaySnapshot {
        let mut point = point.0;
        if point.column == self.line_len(point.row) {
            point.column = point.column.saturating_sub(1);
-            point = self.blocks_snapshot.clip_point(point, Bias::Left);
+            point = self.block_snapshot.clip_point(point, Bias::Left);
        }
        DisplayPoint(point)
    }
@@ -519,37 +584,34 @@ impl DisplaySnapshot {
    where
        T: ToOffset,
    {
-        self.folds_snapshot.folds_in_range(range)
+        self.fold_snapshot.folds_in_range(range)
    }

    pub fn blocks_in_range(
        &self,
        rows: Range<u32>,
    ) -> impl Iterator<Item = (u32, &TransformBlock)> {
-        self.blocks_snapshot.blocks_in_range(rows)
+        self.block_snapshot.blocks_in_range(rows)
    }

    pub fn intersects_fold<T: ToOffset>(&self, offset: T) -> bool {
-        self.folds_snapshot.intersects_fold(offset)
+        self.fold_snapshot.intersects_fold(offset)
    }

-    pub fn is_line_folded(&self, display_row: u32) -> bool {
-        let block_point = BlockPoint(Point::new(display_row, 0));
-        let wrap_point = self.blocks_snapshot.to_wrap_point(block_point);
-        let tab_point = self.wraps_snapshot.to_tab_point(wrap_point);
-        self.folds_snapshot.is_line_folded(tab_point.row())
+    pub fn is_line_folded(&self, buffer_row: u32) -> bool {
+        self.fold_snapshot.is_line_folded(buffer_row)
    }

    pub fn is_block_line(&self, display_row: u32) -> bool {
-        self.blocks_snapshot.is_block_line(display_row)
+        self.block_snapshot.is_block_line(display_row)
    }

    pub fn soft_wrap_indent(&self, display_row: u32) -> Option<u32> {
        let wrap_row = self
-            .blocks_snapshot
+            .block_snapshot
            .to_wrap_point(BlockPoint::new(display_row, 0))
            .row();
-        self.wraps_snapshot.soft_wrap_indent(wrap_row)
+        self.wrap_snapshot.soft_wrap_indent(wrap_row)
    }

    pub fn text(&self) -> String {
@@ -583,12 +645,92 @@ impl DisplaySnapshot {
        (indent, is_blank)
    }

+    pub fn line_indent_for_buffer_row(&self, buffer_row: u32) -> (u32, bool) {
+        let (buffer, range) = self
+            .buffer_snapshot
+            .buffer_line_for_row(buffer_row)
+            .unwrap();
+
+        let mut indent_size = 0;
+        let mut is_blank = false;
+        for c in buffer.chars_at(Point::new(range.start.row, 0)) {
+            if c == ' ' || c == '\t' {
+                indent_size += 1;
+            } else {
+                if c == '\n' {
+                    is_blank = true;
+                }
+                break;
+            }
+        }
+
+        (indent_size, is_blank)
+    }
+
    pub fn line_len(&self, row: u32) -> u32 {
-        self.blocks_snapshot.line_len(row)
+        self.block_snapshot.line_len(row)
    }

    pub fn longest_row(&self) -> u32 {
-        self.blocks_snapshot.longest_row()
+        self.block_snapshot.longest_row()
+    }
+
+    pub fn fold_for_line(self: &Self, buffer_row: u32) -> Option<FoldStatus> {
+        if self.is_line_folded(buffer_row) {
+            Some(FoldStatus::Folded)
+        } else if self.is_foldable(buffer_row) {
+            Some(FoldStatus::Foldable)
+        } else {
+            None
+        }
+    }
+
+    pub fn is_foldable(self: &Self, buffer_row: u32) -> bool {
+        let max_row = self.buffer_snapshot.max_buffer_row();
+        if buffer_row >= max_row {
+            return false;
+        }
+
+        let (indent_size, is_blank) = self.line_indent_for_buffer_row(buffer_row);
+        if is_blank {
+            return false;
+        }
+
+        for next_row in (buffer_row + 1)..=max_row {
+            let (next_indent_size, next_line_is_blank) = self.line_indent_for_buffer_row(next_row);
+            if next_indent_size > indent_size {
+                return true;
+            } else if !next_line_is_blank {
+                break;
+            }
+        }
+
+        false
+    }
+
+    pub fn foldable_range(self: &Self, buffer_row: u32) -> Option<Range<Point>> {
+        let start = Point::new(buffer_row, self.buffer_snapshot.line_len(buffer_row));
+        if self.is_foldable(start.row) && !self.is_line_folded(start.row) {
+            let (start_indent, _) = self.line_indent_for_buffer_row(buffer_row);
+            let max_point = self.buffer_snapshot.max_point();
+            let mut end = None;
+
+            for row in (buffer_row + 1)..=max_point.row {
+                let (indent, is_blank) = self.line_indent_for_buffer_row(row);
+                if !is_blank && indent <= start_indent {
+                    let prev_row = row - 1;
+                    end = Some(Point::new(
+                        prev_row,
+                        self.buffer_snapshot.line_len(prev_row),
+                    ));
+                    break;
+                }
+            }
+            let end = end.unwrap_or(max_point);
+            Some(start..end)
+        } else {
+            None
+        }
    }

    #[cfg(any(test, feature = "test-support"))]
@@ -647,10 +789,11 @@ impl DisplayPoint {
    }

    pub fn to_offset(self, map: &DisplaySnapshot, bias: Bias) -> usize {
-        let unblocked_point = map.blocks_snapshot.to_wrap_point(self.0);
-        let unwrapped_point = map.wraps_snapshot.to_tab_point(unblocked_point);
-        let unexpanded_point = map.tabs_snapshot.to_fold_point(unwrapped_point, bias).0;
-        unexpanded_point.to_buffer_offset(&map.folds_snapshot)
+        let wrap_point = map.block_snapshot.to_wrap_point(self.0);
+        let tab_point = map.wrap_snapshot.to_tab_point(wrap_point);
+        let suggestion_point = map.tab_snapshot.to_suggestion_point(tab_point, bias).0;
+        let fold_point = map.suggestion_snapshot.to_fold_point(suggestion_point);
+        fold_point.to_buffer_offset(&map.fold_snapshot)
    }
 }

@@ -678,11 +821,29 @@ impl ToDisplayPoint for Anchor {
    }
 }

+pub fn next_rows(display_row: u32, display_map: &DisplaySnapshot) -> impl Iterator<Item = u32> {
+    let max_row = display_map.max_point().row();
+    let start_row = display_row + 1;
+    let mut current = None;
+    std::iter::from_fn(move || {
+        if current == None {
+            current = Some(start_row);
+        } else {
+            current = Some(current.unwrap() + 1)
+        }
+        if current.unwrap() > max_row {
+            None
+        } else {
+            current
+        }
+    })
+}
+
 #[cfg(test)]
 pub mod tests {
    use super::*;
    use crate::{movement, test::marked_display_snapshot};
-    use gpui::{color::Color, elements::*, test::observe, MutableAppContext};
+    use gpui::{color::Color, elements::*, test::observe, AppContext};
    use language::{Buffer, Language, LanguageConfig, SelectionGoal};
    use rand::{prelude::*, Rng};
    use smol::stream::StreamExt;
@@ -703,7 +864,9 @@ pub mod tests {
        let mut tab_size = rng.gen_range(1..=4);
        let buffer_start_excerpt_header_height = rng.gen_range(1..=5);
        let excerpt_header_height = rng.gen_range(1..=5);
-        let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -753,10 +916,10 @@ pub mod tests {

        let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
        log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
-        log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
-        log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
-        log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
-        log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
+        log::info!("fold text: {:?}", snapshot.fold_snapshot.text());
+        log::info!("tab text: {:?}", snapshot.tab_snapshot.text());
+        log::info!("wrap text: {:?}", snapshot.wrap_snapshot.text());
+        log::info!("block text: {:?}", snapshot.block_snapshot.text());
        log::info!("display text: {:?}", snapshot.text());

        for _i in 0..operations {
@@ -810,7 +973,7 @@ pub mod tests {
                                        position,
                                        height,
                                        disposition,
-                                        render: Arc::new(|_| Empty::new().boxed()),
+                                        render: Arc::new(|_| Empty::new().into_any()),
                                    }
                                })
                                .collect::<Vec<_>>();
@@ -861,10 +1024,10 @@ pub mod tests {
            let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
            fold_count = snapshot.fold_count();
            log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
-            log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
-            log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
-            log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
-            log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
+            log::info!("fold text: {:?}", snapshot.fold_snapshot.text());
+            log::info!("tab text: {:?}", snapshot.tab_snapshot.text());
+            log::info!("wrap text: {:?}", snapshot.wrap_snapshot.text());
+            log::info!("block text: {:?}", snapshot.block_snapshot.text());
            log::info!("display text: {:?}", snapshot.text());

            // Line boundaries
@@ -954,13 +1117,15 @@ pub mod tests {
    }

    #[gpui::test(retries = 5)]
-    fn test_soft_wraps(cx: &mut MutableAppContext) {
+    fn test_soft_wraps(cx: &mut AppContext) {
        cx.foreground().set_block_on_ticks(usize::MAX..=usize::MAX);
        cx.foreground().forbid_parking();

        let font_cache = cx.font_cache();

-        let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1045,11 +1210,14 @@ pub mod tests {
    }

    #[gpui::test]
-    fn test_text_chunks(cx: &mut gpui::MutableAppContext) {
+    fn test_text_chunks(cx: &mut gpui::AppContext) {
        cx.set_global(Settings::test(cx));
        let text = sample_text(6, 6, 'a');
        let buffer = MultiBuffer::build_simple(&text, cx);
-        let family_id = cx.font_cache().load_family(&["Helvetica"]).unwrap();
+        let family_id = cx
+            .font_cache()
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = cx
            .font_cache()
            .select_font(family_id, &Default::default())
@@ -1132,7 +1300,9 @@ pub mod tests {
        let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));

        let font_cache = cx.font_cache();
-        let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1167,7 +1337,7 @@ pub mod tests {
            vec![
                ("fn ".to_string(), None),
                ("out".to_string(), Some(Color::blue())),
-                ("…".to_string(), None),
+                ("⋯".to_string(), None),
                ("  fn ".to_string(), Some(Color::red())),
                ("inner".to_string(), Some(Color::blue())),
                ("() {}\n}".to_string(), Some(Color::red())),
@@ -1220,7 +1390,9 @@ pub mod tests {

        let font_cache = cx.font_cache();

-        let family_id = font_cache.load_family(&["Courier"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Courier"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1248,7 +1420,7 @@ pub mod tests {
            cx.update(|cx| syntax_chunks(1..4, &map, &theme, cx)),
            [
                ("out".to_string(), Some(Color::blue())),
-                ("…\n".to_string(), None),
+                ("⋯\n".to_string(), None),
                ("  \nfn ".to_string(), Some(Color::red())),
                ("i\n".to_string(), Some(Color::blue()))
            ]
@@ -1292,7 +1464,9 @@ pub mod tests {
        let buffer_snapshot = buffer.read_with(cx, |buffer, cx| buffer.snapshot(cx));

        let font_cache = cx.font_cache();
-        let family_id = font_cache.load_family(&["Courier"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Courier"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1335,9 +1509,9 @@ pub mod tests {
    }

    #[gpui::test]
-    fn test_clip_point(cx: &mut gpui::MutableAppContext) {
+    fn test_clip_point(cx: &mut gpui::AppContext) {
        cx.set_global(Settings::test(cx));
-        fn assert(text: &str, shift_right: bool, bias: Bias, cx: &mut gpui::MutableAppContext) {
+        fn assert(text: &str, shift_right: bool, bias: Bias, cx: &mut gpui::AppContext) {
            let (unmarked_snapshot, mut markers) = marked_display_snapshot(text, cx);

            match bias {
@@ -1384,10 +1558,10 @@ pub mod tests {
    }

    #[gpui::test]
-    fn test_clip_at_line_ends(cx: &mut gpui::MutableAppContext) {
+    fn test_clip_at_line_ends(cx: &mut gpui::AppContext) {
        cx.set_global(Settings::test(cx));

-        fn assert(text: &str, cx: &mut gpui::MutableAppContext) {
+        fn assert(text: &str, cx: &mut gpui::AppContext) {
            let (mut unmarked_snapshot, markers) = marked_display_snapshot(text, cx);
            unmarked_snapshot.clip_at_line_ends = true;
            assert_eq!(
@@ -1403,12 +1577,14 @@ pub mod tests {
    }

    #[gpui::test]
-    fn test_tabs_with_multibyte_chars(cx: &mut gpui::MutableAppContext) {
+    fn test_tabs_with_multibyte_chars(cx: &mut gpui::AppContext) {
        cx.set_global(Settings::test(cx));
        let text = "✅\t\tα\nβ\t\n🏀β\t\tγ";
        let buffer = MultiBuffer::build_simple(text, cx);
        let font_cache = cx.font_cache();
-        let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1462,11 +1638,13 @@ pub mod tests {
    }

    #[gpui::test]
-    fn test_max_point(cx: &mut gpui::MutableAppContext) {
+    fn test_max_point(cx: &mut gpui::AppContext) {
        cx.set_global(Settings::test(cx));
        let buffer = MultiBuffer::build_simple("aaa\n\t\tbbb", cx);
        let font_cache = cx.font_cache();
-        let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
+        let family_id = font_cache
+            .load_family(&["Helvetica"], &Default::default())
+            .unwrap();
        let font_id = font_cache
            .select_font(family_id, &Default::default())
            .unwrap();
@@ -1509,7 +1687,7 @@ pub mod tests {
        rows: Range<u32>,
        map: &ModelHandle<DisplayMap>,
        theme: &'a SyntaxTheme,
-        cx: &mut MutableAppContext,
+        cx: &mut AppContext,
    ) -> Vec<(String, Option<Color>)> {
        chunks(rows, map, theme, cx)
            .into_iter()
@@ -1521,11 +1699,11 @@ pub mod tests {
        rows: Range<u32>,
        map: &ModelHandle<DisplayMap>,
        theme: &'a SyntaxTheme,
-        cx: &mut MutableAppContext,
+        cx: &mut AppContext,
    ) -> Vec<(String, Option<Color>, Option<Color>)> {
        let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
        let mut chunks: Vec<(String, Option<Color>, Option<Color>)> = Vec::new();
-        for chunk in snapshot.chunks(rows, true) {
+        for chunk in snapshot.chunks(rows, true, None) {
            let syntax_color = chunk
                .syntax_highlight_id
                .and_then(|id| id.style(theme)?.color);
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
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