zed 0.98.2

Piotr/optimize search selections with a limit (#2831 )
/cc @nathansobo @maxbrunsfeld Release Notes: - Fixed scrollbar selections causing noticeable slowdowns with large quantities of selections.
2023-08-08 12:32:38 -07:00 · 2023-08-08 12:32:09 -07:00 · 2023-08-07 14:32:26 -07:00 · 2023-08-02 12:20:57 -07:00 · 2023-08-02 12:19:31 -07:00 · 2023-08-02 13:50:08 -04:00
253 changed files with 5914 additions and 14589 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1479,7 +1479,7 @@ dependencies = [

 [[package]]
 name = "collab"
-version = "0.17.0"
+version = "0.16.0"
 dependencies = [
 "anyhow",
 "async-tungstenite",
@@ -1552,7 +1552,6 @@ dependencies = [
 "clock",
 "collections",
 "context_menu",
- "db",
 "editor",
 "feedback",
 "futures 0.3.28",
@@ -1564,11 +1563,9 @@ dependencies = [
 "postage",
 "project",
 "recent_projects",
- "schemars",
 "serde",
 "serde_derive",
 "settings",
- "staff_mode",
 "theme",
 "theme_selector",
 "util",
@@ -1652,21 +1649,6 @@ dependencies = [
 "theme",
 ]

-[[package]]
-name = "convert_case"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
-
-[[package]]
-name = "convert_case"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
-dependencies = [
- "unicode-segmentation",
-]
-
 [[package]]
 name = "copilot"
 version = "0.1.0"
@@ -2151,19 +2133,6 @@ dependencies = [
 "serde",
 ]

-[[package]]
-name = "derive_more"
-version = "0.99.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
-dependencies = [
- "convert_case 0.4.0",
- "proc-macro2",
- "quote",
- "rustc_version 0.4.0",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "dhat"
 version = "0.3.2"
@@ -2345,7 +2314,6 @@ dependencies = [
 "clock",
 "collections",
 "context_menu",
- "convert_case 0.6.0",
 "copilot",
 "ctor",
 "db",
@@ -3128,7 +3096,6 @@ dependencies = [
 "core-graphics",
 "core-text",
 "ctor",
- "derive_more",
 "dhat",
 "env_logger 0.9.3",
 "etagere",
@@ -5139,7 +5106,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39fe46acc5503595e5949c17b818714d26fdf9b4920eacf3b2947f0199f4a6ff"
 dependencies = [
- "rustc_version 0.3.3",
+ "rustc_version",
 ]

 [[package]]
@@ -6309,16 +6276,7 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee"
 dependencies = [
- "semver 0.11.0",
-]
-
-[[package]]
-name = "rustc_version"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
-dependencies = [
- "semver 1.0.18",
+ "semver",
 ]

 [[package]]
@@ -6758,12 +6716,6 @@ dependencies = [
 "semver-parser",
 ]

-[[package]]
-name = "semver"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
-
 [[package]]
 name = "semver-parser"
 version = "0.10.2"
@@ -9863,7 +9815,7 @@ dependencies = [

 [[package]]
 name = "zed"
-version = "0.100.0"
+version = "0.98.2"
 dependencies = [
 "activity_indicator",
 "ai",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -79,7 +79,6 @@ resolver = "2"
 anyhow = { version = "1.0.57" }
 async-trait = { version = "0.1" }
 ctor = { version = "0.1" }
-derive_more = { version = "0.99.17" }
 env_logger = { version = "0.9" }
 futures = { version = "0.3" }
 globset = { version = "0.4" }
--- a/assets/fonts/plex/IBMPlexSans-Bold.ttf
+++ b/assets/fonts/plex/IBMPlexSans-Bold.ttf
--- a/assets/fonts/plex/IBMPlexSans-Italic.ttf
+++ b/assets/fonts/plex/IBMPlexSans-Italic.ttf
--- a/assets/fonts/plex/IBMPlexSans-Regular.ttf
+++ b/assets/fonts/plex/IBMPlexSans-Regular.ttf
--- a/assets/fonts/plex/LICENSE.txt
+++ b/assets/fonts/plex/LICENSE.txt
@@ -1,93 +0,0 @@
-Copyright © 2017 IBM Corp. with Reserved Font Name "Plex"
-
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-
-This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL
-
-
-----------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
-
-PREAMBLE
-The goals of the Open Font License (OFL) are to stimulate worldwide
-development of collaborative font projects, to support the font creation
-efforts of academic and linguistic communities, and to provide a free and
-open framework in which fonts may be shared and improved in partnership
-with others.
-
-The OFL allows the licensed fonts to be used, studied, modified and
-redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
-redistributed and/or sold with any software provided that any reserved
-names are not used by derivative works. The fonts and derivatives,
-however, cannot be released under any other type of license. The
-requirement for fonts to remain under this license does not apply
-to any document created using the fonts or their derivatives.
-
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
-Holder(s) under this license and clearly marked as such. This may
-include source files, build scripts and documentation.
-
-"Reserved Font Name" refers to any names specified as such after the
-copyright statement(s).
-
-"Original Version" refers to the collection of Font Software components as
-distributed by the Copyright Holder(s).
-
-"Modified Version" refers to any derivative made by adding to, deleting,
-or substituting -- in part or in whole -- any of the components of the
-Original Version, by changing formats or by porting the Font Software to a
-new environment.
-
-"Author" refers to any designer, engineer, programmer, technical
-writer or other person who contributed to the Font Software.
-
-PERMISSION & CONDITIONS
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of the Font Software, to use, study, copy, merge, embed, modify,
-redistribute, and sell modified and unmodified copies of the Font
-Software, subject to the following conditions:
-
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
-This license becomes null and void if any of the above conditions are
-not met.
-
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.
--- a/assets/icons/ai.svg
+++ b/assets/icons/ai.svg
@@ -1,23 +0,0 @@
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--- a/assets/icons/arrow_left.svg
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@@ -1,3 +0,0 @@
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@@ -1,3 +0,0 @@
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@@ -1,4 +0,0 @@
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--- a/assets/icons/match_word.svg
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--- a/assets/icons/microphone.svg
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@@ -1,5 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M3.96454 5.6762C3.93131 5.60672 3.86114 5.5625 3.78412 5.5625H3.30547C3.19501 5.5625 3.10547 5.65204 3.10547 5.7625V7.13672C3.10547 7.41286 2.88161 7.63672 2.60547 7.63672H2.5C2.22386 7.63672 2 7.41286 2 7.13672V2.5C2 2.22386 2.22386 2 2.5 2H4.04688C5.27344 2 6.02344 2.67969 6.02344 3.79688C6.02344 4.44581 5.71823 4.99918 5.2201 5.28443C5.11826 5.34275 5.06859 5.46921 5.12107 5.57418L5.79054 6.91311C5.95677 7.24556 5.71502 7.63672 5.34333 7.63672H5.21743C5.02489 7.63672 4.84946 7.52617 4.76638 7.35248L3.96454 5.6762ZM3.30547 2.90625C3.19501 2.90625 3.10547 2.99579 3.10547 3.10625V4.51094C3.10547 4.62139 3.19501 4.71094 3.30547 4.71094H3.89062C4.51953 4.71094 4.89453 4.37109 4.89453 3.80078C4.89453 3.24219 4.52734 2.90625 3.90234 2.90625H3.30547Z" fill="black" fill-opacity="0.75"/>
-<path d="M3.78412 5.6125C3.84188 5.6125 3.89451 5.64567 3.91944 5.69777L4.72127 7.37405C4.81266 7.56511 5.00564 7.68672 5.21743 7.68672H5.34333C5.75219 7.68672 6.01811 7.25645 5.83526 6.89075L5.1658 5.55182C5.12715 5.47453 5.16207 5.37528 5.24495 5.32782C5.76044 5.03262 6.07344 4.46155 6.07344 3.79688C6.07344 3.22658 5.88164 2.76303 5.52873 2.44248C5.17642 2.12247 4.6691 1.95 4.04688 1.95H2.5C2.19624 1.95 1.95 2.19624 1.95 2.5V7.13672C1.95 7.44048 2.19624 7.68672 2.5 7.68672H2.60547C2.90923 7.68672 3.15547 7.44048 3.15547 7.13672V5.7625C3.15547 5.67966 3.22263 5.6125 3.30547 5.6125H3.78412ZM3.15547 3.10625C3.15547 3.02341 3.22263 2.95625 3.30547 2.95625H3.90234C4.20626 2.95625 4.44101 3.03787 4.59926 3.18111C4.75686 3.32376 4.84453 3.5329 4.84453 3.80078C4.84453 4.07452 4.75491 4.28758 4.59484 4.43268C4.43413 4.57837 4.19643 4.66094 3.89062 4.66094H3.30547C3.22263 4.66094 3.15547 4.59378 3.15547 4.51094V3.10625Z" stroke="black" stroke-opacity="0.75" stroke-width="0.1"/>
-<path d="M7.5 5.88672C9.433 5.88672 11 7.45372 11 9.38672V12M11 12L13 10M11 12L9 10" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>
--- a/assets/icons/screen.svg
+++ b/assets/icons/screen.svg
@@ -1,4 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<rect x="2" y="2" width="10" height="7" rx="0.5" fill="black" fill-opacity="0.25" stroke="black" stroke-width="1.25"/>
-<path d="M7 9V12M7 12H9M7 12H5" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
-</svg>
--- a/assets/icons/split.svg
+++ b/assets/icons/split.svg
@@ -1,5 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M7 2H10C11.1046 2 12 2.89543 12 4V10C12 11.1046 11.1046 12 10 12H7V2Z" fill="black" fill-opacity="0.25"/>
-<rect x="2" y="2" width="10" height="10" rx="0.5" stroke="black" stroke-width="1.25"/>
-<line x1="7" y1="2" x2="7" y2="12" stroke="black" stroke-width="1.25"/>
-</svg>
--- a/assets/icons/success.svg
+++ b/assets/icons/success.svg
@@ -1,4 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M2 2.5C2 2.22386 2.22386 2 2.5 2H11.5C11.7761 2 12 2.22386 12 2.5V11.5C12 11.7761 11.7761 12 11.5 12H2.5C2.22386 12 2 11.7761 2 11.5V2.5Z" stroke="black" stroke-opacity="0.75" stroke-width="1.25" stroke-linejoin="round"/>
-<path d="M4.60938 7.625L6.3125 8.89062L9.35938 4.64062" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>
--- a/assets/icons/terminal.svg
+++ b/assets/icons/terminal.svg
@@ -1,5 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M1.65625 2.5C1.65625 2.22386 1.88011 2 2.15625 2H11.8437C12.1199 2 12.3438 2.22386 12.3438 2.5V11.5C12.3438 11.7761 12.1199 12 11.8437 12H2.15625C1.88011 12 1.65625 11.7761 1.65625 11.5V2.5Z" stroke="black" stroke-width="1.25"/>
-<path d="M4.375 9L6.375 7L4.375 5" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M7.625 9L9.90625 9" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
-</svg>
--- a/assets/icons/warning.svg
+++ b/assets/icons/warning.svg
@@ -1,5 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M9.5 6.5L11.994 11.625C12.1556 11.9571 11.9137 12.3438 11.5444 12.3438H2.45563C2.08628 12.3438 1.84442 11.9571 2.00603 11.625L4.5 6.5" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M7 7L7 2" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-<circle cx="7" cy="9.24219" r="0.75" fill="black"/>
-</svg>
--- a/assets/icons/x.svg
+++ b/assets/icons/x.svg
@@ -1,3 +0,0 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M9.82843 4.17157L4.17157 9.82842M9.82843 9.82842L4.17157 4.17157" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
-</svg>
--- a/assets/keymaps/default.json
+++ b/assets/keymaps/default.json
@@ -13,7 +13,6 @@
      "cmd-up": "menu::SelectFirst",
      "cmd-down": "menu::SelectLast",
      "enter": "menu::Confirm",
-      "ctrl-enter": "menu::ShowContextMenu",
      "cmd-enter": "menu::SecondaryConfirm",
      "escape": "menu::Cancel",
      "ctrl-c": "menu::Cancel",
@@ -514,8 +513,7 @@
  {
    "bindings": {
      "ctrl-alt-cmd-f": "workspace::FollowNextCollaborator",
-      // TODO: Move this to a dock open action
-      "cmd-shift-c": "collab_panel::ToggleFocus",
+      "cmd-shift-c": "collab::ToggleContactsMenu",
      "cmd-alt-i": "zed::DebugElements"
    }
  },
@@ -551,25 +549,6 @@
      "alt-shift-f": "project_panel::NewSearchInDirectory"
    }
  },
-  {
-    "context": "CollabPanel",
-    "bindings": {
-      "ctrl-backspace": "collab_panel::Remove",
-      "space": "menu::Confirm"
-    }
-  },
-  {
-    "context": "ChannelModal",
-    "bindings": {
-      "tab": "channel_modal::ToggleMode"
-    }
-  },
-  {
-    "context": "ChannelModal > Picker > Editor",
-    "bindings": {
-      "tab": "channel_modal::ToggleMode"
-    }
-  },
  {
    "context": "Terminal",
    "bindings": {
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -101,8 +101,6 @@
        "vim::SwitchMode",
        "Normal"
      ],
-      "v": "vim::ToggleVisual",
-      "shift-v": "vim::ToggleVisualLine",
      "*": "vim::MoveToNext",
      "#": "vim::MoveToPrev",
      "0": "vim::StartOfLine", // When no number operator present, use start of line motion
@@ -238,14 +236,6 @@
      "ctrl-w ctrl-q": "pane::CloseAllItems"
    }
  },
-  {
-    // escape is in its own section so that it cancels a pending count.
-    "context": "Editor && vim_mode == normal && vim_operator == none && !VimWaiting",
-    "bindings": {
-      "escape": "editor::Cancel",
-      "ctrl+[": "editor::Cancel"
-    }
-  },
  {
    "context": "Editor && vim_mode == normal && (vim_operator == none || vim_operator == n) && !VimWaiting",
    "bindings": {
@@ -276,6 +266,22 @@
      "o": "vim::InsertLineBelow",
      "shift-o": "vim::InsertLineAbove",
      "~": "vim::ChangeCase",
+      "v": [
+        "vim::SwitchMode",
+        {
+          "Visual": {
+            "line": false
+          }
+        }
+      ],
+      "shift-v": [
+        "vim::SwitchMode",
+        {
+          "Visual": {
+            "line": true
+          }
+        }
+      ],
      "p": "vim::Paste",
      "u": "editor::Undo",
      "ctrl-r": "editor::Redo",
@@ -368,14 +374,12 @@
    "context": "Editor && vim_mode == visual && !VimWaiting",
    "bindings": {
      "u": "editor::Undo",
-      "o": "vim::OtherEnd",
-      "shift-o": "vim::OtherEnd",
+      "c": "vim::VisualChange",
      "d": "vim::VisualDelete",
      "x": "vim::VisualDelete",
      "y": "vim::VisualYank",
      "p": "vim::VisualPaste",
      "s": "vim::Substitute",
-      "c": "vim::Substitute",
      "~": "vim::ChangeCase",
      "r": [
        "vim::PushOperator",
@@ -385,14 +389,6 @@
        "vim::SwitchMode",
        "Normal"
      ],
-      "escape": [
-        "vim::SwitchMode",
-        "Normal"
-      ],
-      "ctrl+[": [
-        "vim::SwitchMode",
-        "Normal"
-      ],
      ">": "editor::Indent",
      "<": "editor::Outdent"
    }
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -122,17 +122,7 @@
    // Amount of indentation for nested items.
    "indent_size": 20
  },
-  "collaboration_panel": {
-    // Whether to show the collaboration panel button in the status bar.
-    "button": true,
-    // Where to dock channels panel. Can be 'left' or 'right'.
-    "dock": "right",
-    // Default width of the channels panel.
-    "default_width": 240
-  },
  "assistant": {
-    // Whether to show the assistant panel button in the status bar.
-    "button": true,
    // Where to dock the assistant. Can be 'left', 'right' or 'bottom'.
    "dock": "right",
    // Default width when the assistant is docked to the left or right.
@@ -224,9 +214,7 @@
  "copilot": {
    // The set of glob patterns for which copilot should be disabled
    // in any matching file.
-    "disabled_globs": [
-      ".env"
-    ]
+    "disabled_globs": [".env"]
  },
  // Settings specific to journaling
  "journal": {
--- a/crates/activity_indicator/src/activity_indicator.rs
+++ b/crates/activity_indicator/src/activity_indicator.rs
@@ -318,7 +318,7 @@ impl View for ActivityIndicator {
            on_click,
        } = self.content_to_render(cx);

-        let mut element = MouseEventHandler::new::<Self, _>(0, cx, |state, cx| {
+        let mut element = MouseEventHandler::<Self, _>::new(0, cx, |state, cx| {
            let theme = &theme::current(cx).workspace.status_bar.lsp_status;
            let style = if state.hovered() && on_click.is_some() {
                theme.hovered.as_ref().unwrap_or(&theme.default)
--- a/crates/ai/src/assistant.rs
+++ b/crates/ai/src/assistant.rs
@@ -192,7 +192,6 @@ impl AssistantPanel {
                                old_dock_position = new_dock_position;
                                cx.emit(AssistantPanelEvent::DockPositionChanged);
                            }
-                            cx.notify();
                        })];

                    this
@@ -349,7 +348,7 @@ impl AssistantPanel {
        enum History {}
        let theme = theme::current(cx);
        let tooltip_style = theme::current(cx).tooltip.clone();
-        MouseEventHandler::new::<History, _>(0, cx, |state, _| {
+        MouseEventHandler::<History, _>::new(0, cx, |state, _| {
            let style = theme.assistant.hamburger_button.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -363,7 +362,7 @@ impl AssistantPanel {
                this.set_active_editor_index(this.prev_active_editor_index, cx);
            }
        })
-        .with_tooltip::<History>(1, "History", None, tooltip_style, cx)
+        .with_tooltip::<History>(1, "History".into(), None, tooltip_style, cx)
    }

    fn render_editor_tools(&self, cx: &mut ViewContext<Self>) -> Vec<AnyElement<Self>> {
@@ -381,7 +380,7 @@ impl AssistantPanel {
    fn render_split_button(cx: &mut ViewContext<Self>) -> impl Element<Self> {
        let theme = theme::current(cx);
        let tooltip_style = theme::current(cx).tooltip.clone();
-        MouseEventHandler::new::<Split, _>(0, cx, |state, _| {
+        MouseEventHandler::<Split, _>::new(0, cx, |state, _| {
            let style = theme.assistant.split_button.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -395,7 +394,7 @@ impl AssistantPanel {
        })
        .with_tooltip::<Split>(
            1,
-            "Split Message",
+            "Split Message".into(),
            Some(Box::new(Split)),
            tooltip_style,
            cx,
@@ -405,7 +404,7 @@ impl AssistantPanel {
    fn render_assist_button(cx: &mut ViewContext<Self>) -> impl Element<Self> {
        let theme = theme::current(cx);
        let tooltip_style = theme::current(cx).tooltip.clone();
-        MouseEventHandler::new::<Assist, _>(0, cx, |state, _| {
+        MouseEventHandler::<Assist, _>::new(0, cx, |state, _| {
            let style = theme.assistant.assist_button.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -417,13 +416,19 @@ impl AssistantPanel {
                active_editor.update(cx, |editor, cx| editor.assist(&Default::default(), cx));
            }
        })
-        .with_tooltip::<Assist>(1, "Assist", Some(Box::new(Assist)), tooltip_style, cx)
+        .with_tooltip::<Assist>(
+            1,
+            "Assist".into(),
+            Some(Box::new(Assist)),
+            tooltip_style,
+            cx,
+        )
    }

    fn render_quote_button(cx: &mut ViewContext<Self>) -> impl Element<Self> {
        let theme = theme::current(cx);
        let tooltip_style = theme::current(cx).tooltip.clone();
-        MouseEventHandler::new::<QuoteSelection, _>(0, cx, |state, _| {
+        MouseEventHandler::<QuoteSelection, _>::new(0, cx, |state, _| {
            let style = theme.assistant.quote_button.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -441,7 +446,7 @@ impl AssistantPanel {
        })
        .with_tooltip::<QuoteSelection>(
            1,
-            "Quote Selection",
+            "Quote Selection".into(),
            Some(Box::new(QuoteSelection)),
            tooltip_style,
            cx,
@@ -451,7 +456,7 @@ impl AssistantPanel {
    fn render_plus_button(cx: &mut ViewContext<Self>) -> impl Element<Self> {
        let theme = theme::current(cx);
        let tooltip_style = theme::current(cx).tooltip.clone();
-        MouseEventHandler::new::<NewConversation, _>(0, cx, |state, _| {
+        MouseEventHandler::<NewConversation, _>::new(0, cx, |state, _| {
            let style = theme.assistant.plus_button.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -463,7 +468,7 @@ impl AssistantPanel {
        })
        .with_tooltip::<NewConversation>(
            1,
-            "New Conversation",
+            "New Conversation".into(),
            Some(Box::new(NewConversation)),
            tooltip_style,
            cx,
@@ -481,7 +486,7 @@ impl AssistantPanel {
            &theme.assistant.zoom_in_button
        };

-        MouseEventHandler::new::<ToggleZoomButton, _>(0, cx, |state, _| {
+        MouseEventHandler::<ToggleZoomButton, _>::new(0, cx, |state, _| {
            let style = style.style_for(state);
            Svg::for_style(style.icon.clone())
                .contained()
@@ -493,7 +498,11 @@ impl AssistantPanel {
        })
        .with_tooltip::<ToggleZoom>(
            0,
-            if self.zoomed { "Zoom Out" } else { "Zoom In" },
+            if self.zoomed {
+                "Zoom Out".into()
+            } else {
+                "Zoom In".into()
+            },
            Some(Box::new(ToggleZoom)),
            tooltip_style,
            cx,
@@ -507,7 +516,7 @@ impl AssistantPanel {
    ) -> impl Element<Self> {
        let conversation = &self.saved_conversations[index];
        let path = conversation.path.clone();
-        MouseEventHandler::new::<SavedConversationMetadata, _>(index, cx, move |state, cx| {
+        MouseEventHandler::<SavedConversationMetadata, _>::new(index, cx, move |state, cx| {
            let style = &theme::current(cx).assistant.saved_conversation;
            Flex::row()
                .with_child(
@@ -781,10 +790,8 @@ impl Panel for AssistantPanel {
        }
    }

-    fn icon_path(&self, cx: &WindowContext) -> Option<&'static str> {
-        settings::get::<AssistantSettings>(cx)
-            .button
-            .then(|| "icons/ai.svg")
+    fn icon_path(&self) -> &'static str {
+        "icons/robot_14.svg"
    }

    fn icon_tooltip(&self) -> (String, Option<Box<dyn Action>>) {
@@ -1821,7 +1828,7 @@ impl ConversationEditor {
                            let theme = theme::current(cx);
                            let style = &theme.assistant;
                            let message_id = message.id;
-                            let sender = MouseEventHandler::new::<Sender, _>(
+                            let sender = MouseEventHandler::<Sender, _>::new(
                                message_id.0,
                                cx,
                                |state, _| match message.role {
@@ -2047,7 +2054,7 @@ impl ConversationEditor {
    ) -> impl Element<Self> {
        enum Model {}

-        MouseEventHandler::new::<Model, _>(0, cx, |state, cx| {
+        MouseEventHandler::<Model, _>::new(0, cx, |state, cx| {
            let style = style.model.style_for(state);
            Label::new(self.conversation.read(cx).model.clone(), style.text.clone())
                .contained()
--- a/crates/ai/src/assistant_settings.rs
+++ b/crates/ai/src/assistant_settings.rs
@@ -13,7 +13,6 @@ pub enum AssistantDockPosition {

 #[derive(Deserialize, Debug)]
 pub struct AssistantSettings {
-    pub button: bool,
    pub dock: AssistantDockPosition,
    pub default_width: f32,
    pub default_height: f32,
@@ -21,7 +20,6 @@ pub struct AssistantSettings {

 #[derive(Clone, Default, Serialize, Deserialize, JsonSchema, Debug)]
 pub struct AssistantSettingsContent {
-    pub button: Option<bool>,
    pub dock: Option<AssistantDockPosition>,
    pub default_width: Option<f32>,
    pub default_height: Option<f32>,
--- a/crates/audio/src/audio.rs
+++ b/crates/audio/src/audio.rs
@@ -39,43 +39,29 @@ pub struct Audio {

 impl Audio {
    pub fn new() -> Self {
+        let (_output_stream, output_handle) = OutputStream::try_default().log_err().unzip();
+
        Self {
-            _output_stream: None,
-            output_handle: None,
+            _output_stream,
+            output_handle,
        }
    }

-    fn ensure_output_exists(&mut self) -> Option<&OutputStreamHandle> {
-        if self.output_handle.is_none() {
-            let (_output_stream, output_handle) = OutputStream::try_default().log_err().unzip();
-            self.output_handle = output_handle;
-            self._output_stream = _output_stream;
-        }
-
-        self.output_handle.as_ref()
-    }
-
-    pub fn play_sound(sound: Sound, cx: &mut AppContext) {
+    pub fn play_sound(sound: Sound, cx: &AppContext) {
        if !cx.has_global::<Self>() {
            return;
        }

-        cx.update_global::<Self, _, _>(|this, cx| {
-            let output_handle = this.ensure_output_exists()?;
-            let source = SoundRegistry::global(cx).get(sound.file()).log_err()?;
-            output_handle.play_raw(source).log_err()?;
-            Some(())
-        });
-    }
+        let this = cx.global::<Self>();

-    pub fn end_call(cx: &mut AppContext) {
-        if !cx.has_global::<Self>() {
+        let Some(output_handle) = this.output_handle.as_ref() else {
            return;
-        }
+        };

-        cx.update_global::<Self, _, _>(|this, _| {
-            this._output_stream.take();
-            this.output_handle.take();
-        });
+        let Some(source) = SoundRegistry::global(cx).get(sound.file()).log_err() else {
+        return;
+    };
+
+        output_handle.play_raw(source).log_err();
    }
 }
--- a/crates/auto_update/src/update_notification.rs
+++ b/crates/auto_update/src/update_notification.rs
@@ -31,7 +31,7 @@ impl View for UpdateNotification {

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

-        MouseEventHandler::new::<ViewReleaseNotes, _>(0, cx, |state, cx| {
+        MouseEventHandler::<ViewReleaseNotes, _>::new(0, cx, |state, cx| {
            Flex::column()
                .with_child(
                    Flex::row()
@@ -48,7 +48,7 @@ impl View for UpdateNotification {
                            .flex(1., true),
                        )
                        .with_child(
-                            MouseEventHandler::new::<Cancel, _>(0, cx, |state, _| {
+                            MouseEventHandler::<Cancel, _>::new(0, cx, |state, _| {
                                let style = theme.dismiss_button.style_for(state);
                                Svg::new("icons/x_mark_8.svg")
                                    .with_color(style.color)
--- a/crates/breadcrumbs/src/breadcrumbs.rs
+++ b/crates/breadcrumbs/src/breadcrumbs.rs
@@ -82,7 +82,7 @@ impl View for Breadcrumbs {
                .into_any();
        }

-        MouseEventHandler::new::<Breadcrumbs, _>(0, cx, |state, _| {
+        MouseEventHandler::<Breadcrumbs, Breadcrumbs>::new(0, cx, |state, _| {
            let style = style.style_for(state);
            crumbs.with_style(style.container)
        })
--- a/crates/call/src/call.rs
+++ b/crates/call/src/call.rs
@@ -5,11 +5,8 @@ pub mod room;
 use std::sync::Arc;

 use anyhow::{anyhow, Result};
-use audio::Audio;
 use call_settings::CallSettings;
-use client::{
-    proto, ChannelId, ClickhouseEvent, Client, TelemetrySettings, TypedEnvelope, User, UserStore,
-};
+use client::{proto, ClickhouseEvent, Client, TelemetrySettings, TypedEnvelope, User, UserStore};
 use collections::HashSet;
 use futures::{future::Shared, FutureExt};
 use postage::watch;
@@ -78,10 +75,6 @@ impl ActiveCall {
        }
    }

-    pub fn channel_id(&self, cx: &AppContext) -> Option<ChannelId> {
-        self.room()?.read(cx).channel_id()
-    }
-
    async fn handle_incoming_call(
        this: ModelHandle<Self>,
        envelope: TypedEnvelope<proto::IncomingCall>,
@@ -281,36 +274,9 @@ impl ActiveCall {
        Ok(())
    }

-    pub fn join_channel(
-        &mut self,
-        channel_id: u64,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<()>> {
-        if let Some(room) = self.room().cloned() {
-            if room.read(cx).channel_id() == Some(channel_id) {
-                return Task::ready(Ok(()));
-            } else {
-                room.update(cx, |room, cx| room.clear_state(cx));
-            }
-        }
-
-        let join = Room::join_channel(channel_id, self.client.clone(), self.user_store.clone(), cx);
-
-        cx.spawn(|this, mut cx| async move {
-            let room = join.await?;
-            this.update(&mut cx, |this, cx| this.set_room(Some(room.clone()), cx))
-                .await?;
-            this.update(&mut cx, |this, cx| {
-                this.report_call_event("join channel", cx)
-            });
-            Ok(())
-        })
-    }
-
    pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
        cx.notify();
        self.report_call_event("hang up", cx);
-        Audio::end_call(cx);
        if let Some((room, _)) = self.room.take() {
            room.update(cx, |room, cx| room.leave(cx))
        } else {
--- a/crates/call/src/room.rs
+++ b/crates/call/src/room.rs
@@ -49,7 +49,6 @@ pub enum Event {

 pub struct Room {
    id: u64,
-    channel_id: Option<u64>,
    live_kit: Option<LiveKitRoom>,
    status: RoomStatus,
    shared_projects: HashSet<WeakModelHandle<Project>>,
@@ -94,25 +93,8 @@ impl Entity for Room {
 }

 impl Room {
-    pub fn channel_id(&self) -> Option<u64> {
-        self.channel_id
-    }
-
-    #[cfg(any(test, feature = "test-support"))]
-    pub fn is_connected(&self) -> bool {
-        if let Some(live_kit) = self.live_kit.as_ref() {
-            matches!(
-                *live_kit.room.status().borrow(),
-                live_kit_client::ConnectionState::Connected { .. }
-            )
-        } else {
-            false
-        }
-    }
-
    fn new(
        id: u64,
-        channel_id: Option<u64>,
        live_kit_connection_info: Option<proto::LiveKitConnectionInfo>,
        client: Arc<Client>,
        user_store: ModelHandle<UserStore>,
@@ -203,7 +185,6 @@ impl Room {

        Self {
            id,
-            channel_id,
            live_kit: live_kit_room,
            status: RoomStatus::Online,
            shared_projects: Default::default(),
@@ -236,7 +217,6 @@ impl Room {
            let room = cx.add_model(|cx| {
                Self::new(
                    room_proto.id,
-                    None,
                    response.live_kit_connection_info,
                    client,
                    user_store,
@@ -268,62 +248,33 @@ impl Room {
        })
    }

-    pub(crate) fn join_channel(
-        channel_id: u64,
-        client: Arc<Client>,
-        user_store: ModelHandle<UserStore>,
-        cx: &mut AppContext,
-    ) -> Task<Result<ModelHandle<Self>>> {
-        cx.spawn(|cx| async move {
-            Self::from_join_response(
-                client.request(proto::JoinChannel { channel_id }).await?,
-                client,
-                user_store,
-                cx,
-            )
-        })
-    }
-
    pub(crate) fn join(
        call: &IncomingCall,
        client: Arc<Client>,
        user_store: ModelHandle<UserStore>,
        cx: &mut AppContext,
    ) -> Task<Result<ModelHandle<Self>>> {
-        let id = call.room_id;
-        cx.spawn(|cx| async move {
-            Self::from_join_response(
-                client.request(proto::JoinRoom { id }).await?,
-                client,
-                user_store,
-                cx,
-            )
-        })
-    }
+        let room_id = call.room_id;
+        cx.spawn(|mut cx| async move {
+            let response = client.request(proto::JoinRoom { id: room_id }).await?;
+            let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
+            let room = cx.add_model(|cx| {
+                Self::new(
+                    room_id,
+                    response.live_kit_connection_info,
+                    client,
+                    user_store,
+                    cx,
+                )
+            });
+            room.update(&mut cx, |room, cx| {
+                room.leave_when_empty = true;
+                room.apply_room_update(room_proto, cx)?;
+                anyhow::Ok(())
+            })?;

-    fn from_join_response(
-        response: proto::JoinRoomResponse,
-        client: Arc<Client>,
-        user_store: ModelHandle<UserStore>,
-        mut cx: AsyncAppContext,
-    ) -> Result<ModelHandle<Self>> {
-        let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
-        let room = cx.add_model(|cx| {
-            Self::new(
-                room_proto.id,
-                response.channel_id,
-                response.live_kit_connection_info,
-                client,
-                user_store,
-                cx,
-            )
-        });
-        room.update(&mut cx, |room, cx| {
-            room.leave_when_empty = room.channel_id.is_none();
-            room.apply_room_update(room_proto, cx)?;
-            anyhow::Ok(())
-        })?;
-        Ok(room)
+            Ok(room)
+        })
    }

    fn should_leave(&self) -> bool {
@@ -346,18 +297,7 @@ impl Room {
        }

        log::info!("leaving room");
-        Audio::play_sound(Sound::Leave, cx);

-        self.clear_state(cx);
-
-        let leave_room = self.client.request(proto::LeaveRoom {});
-        cx.background().spawn(async move {
-            leave_room.await?;
-            anyhow::Ok(())
-        })
-    }
-
-    pub(crate) fn clear_state(&mut self, cx: &mut AppContext) {
        for project in self.shared_projects.drain() {
            if let Some(project) = project.upgrade(cx) {
                project.update(cx, |project, cx| {
@@ -374,6 +314,8 @@ impl Room {
            }
        }

+        Audio::play_sound(Sound::Leave, cx);
+
        self.status = RoomStatus::Offline;
        self.remote_participants.clear();
        self.pending_participants.clear();
@@ -382,6 +324,12 @@ impl Room {
        self.live_kit.take();
        self.pending_room_update.take();
        self.maintain_connection.take();
+
+        let leave_room = self.client.request(proto::LeaveRoom {});
+        cx.background().spawn(async move {
+            leave_room.await?;
+            anyhow::Ok(())
+        })
    }

    async fn maintain_connection(
@@ -1118,11 +1066,11 @@ impl Room {
        })
    }

-    pub fn is_muted(&self, cx: &AppContext) -> bool {
+    pub fn is_muted(&self) -> bool {
        self.live_kit
            .as_ref()
            .and_then(|live_kit| match &live_kit.microphone_track {
-                LocalTrack::None => Some(settings::get::<CallSettings>(cx).mute_on_join),
+                LocalTrack::None => Some(true),
                LocalTrack::Pending { muted, .. } => Some(*muted),
                LocalTrack::Published { muted, .. } => Some(*muted),
            })
@@ -1312,7 +1260,7 @@ impl Room {
    }

    pub fn toggle_mute(&mut self, cx: &mut ModelContext<Self>) -> Result<Task<Result<()>>> {
-        let should_mute = !self.is_muted(cx);
+        let should_mute = !self.is_muted();
        if let Some(live_kit) = self.live_kit.as_mut() {
            if matches!(live_kit.microphone_track, LocalTrack::None) {
                return Ok(self.share_microphone(cx));
--- a/crates/client/src/channel_store.rs
+++ b/crates/client/src/channel_store.rs
@@ -1,548 +0,0 @@
-use crate::Status;
-use crate::{Client, Subscription, User, UserStore};
-use anyhow::anyhow;
-use anyhow::Result;
-use collections::HashMap;
-use collections::HashSet;
-use futures::channel::mpsc;
-use futures::Future;
-use futures::StreamExt;
-use gpui::{AsyncAppContext, Entity, ModelContext, ModelHandle, Task};
-use rpc::{proto, TypedEnvelope};
-use std::sync::Arc;
-use util::ResultExt;
-
-pub type ChannelId = u64;
-pub type UserId = u64;
-
-pub struct ChannelStore {
-    channels_by_id: HashMap<ChannelId, Arc<Channel>>,
-    channel_paths: Vec<Vec<ChannelId>>,
-    channel_invitations: Vec<Arc<Channel>>,
-    channel_participants: HashMap<ChannelId, Vec<Arc<User>>>,
-    channels_with_admin_privileges: HashSet<ChannelId>,
-    outgoing_invites: HashSet<(ChannelId, UserId)>,
-    update_channels_tx: mpsc::UnboundedSender<proto::UpdateChannels>,
-    client: Arc<Client>,
-    user_store: ModelHandle<UserStore>,
-    _rpc_subscription: Subscription,
-    _watch_connection_status: Task<()>,
-    _update_channels: Task<()>,
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub struct Channel {
-    pub id: ChannelId,
-    pub name: String,
-}
-
-pub struct ChannelMembership {
-    pub user: Arc<User>,
-    pub kind: proto::channel_member::Kind,
-    pub admin: bool,
-}
-
-pub enum ChannelEvent {
-    ChannelCreated(ChannelId),
-    ChannelRenamed(ChannelId),
-}
-
-impl Entity for ChannelStore {
-    type Event = ChannelEvent;
-}
-
-pub enum ChannelMemberStatus {
-    Invited,
-    Member,
-    NotMember,
-}
-
-impl ChannelStore {
-    pub fn new(
-        client: Arc<Client>,
-        user_store: ModelHandle<UserStore>,
-        cx: &mut ModelContext<Self>,
-    ) -> Self {
-        let rpc_subscription =
-            client.add_message_handler(cx.handle(), Self::handle_update_channels);
-
-        let (update_channels_tx, mut update_channels_rx) = mpsc::unbounded();
-        let mut connection_status = client.status();
-        let watch_connection_status = cx.spawn_weak(|this, mut cx| async move {
-            while let Some(status) = connection_status.next().await {
-                if matches!(status, Status::ConnectionLost | Status::SignedOut) {
-                    if let Some(this) = this.upgrade(&cx) {
-                        this.update(&mut cx, |this, cx| {
-                            this.channels_by_id.clear();
-                            this.channel_invitations.clear();
-                            this.channel_participants.clear();
-                            this.channels_with_admin_privileges.clear();
-                            this.channel_paths.clear();
-                            this.outgoing_invites.clear();
-                            cx.notify();
-                        });
-                    } else {
-                        break;
-                    }
-                }
-            }
-        });
-        Self {
-            channels_by_id: HashMap::default(),
-            channel_invitations: Vec::default(),
-            channel_paths: Vec::default(),
-            channel_participants: Default::default(),
-            channels_with_admin_privileges: Default::default(),
-            outgoing_invites: Default::default(),
-            update_channels_tx,
-            client,
-            user_store,
-            _rpc_subscription: rpc_subscription,
-            _watch_connection_status: watch_connection_status,
-            _update_channels: cx.spawn_weak(|this, mut cx| async move {
-                while let Some(update_channels) = update_channels_rx.next().await {
-                    if let Some(this) = this.upgrade(&cx) {
-                        let update_task = this.update(&mut cx, |this, cx| {
-                            this.update_channels(update_channels, cx)
-                        });
-                        if let Some(update_task) = update_task {
-                            update_task.await.log_err();
-                        }
-                    }
-                }
-            }),
-        }
-    }
-
-    pub fn channel_count(&self) -> usize {
-        self.channel_paths.len()
-    }
-
-    pub fn channels(&self) -> impl '_ + Iterator<Item = (usize, &Arc<Channel>)> {
-        self.channel_paths.iter().map(move |path| {
-            let id = path.last().unwrap();
-            let channel = self.channel_for_id(*id).unwrap();
-            (path.len() - 1, channel)
-        })
-    }
-
-    pub fn channel_at_index(&self, ix: usize) -> Option<(usize, &Arc<Channel>)> {
-        let path = self.channel_paths.get(ix)?;
-        let id = path.last().unwrap();
-        let channel = self.channel_for_id(*id).unwrap();
-        Some((path.len() - 1, channel))
-    }
-
-    pub fn channel_invitations(&self) -> &[Arc<Channel>] {
-        &self.channel_invitations
-    }
-
-    pub fn channel_for_id(&self, channel_id: ChannelId) -> Option<&Arc<Channel>> {
-        self.channels_by_id.get(&channel_id)
-    }
-
-    pub fn is_user_admin(&self, channel_id: ChannelId) -> bool {
-        self.channel_paths.iter().any(|path| {
-            if let Some(ix) = path.iter().position(|id| *id == channel_id) {
-                path[..=ix]
-                    .iter()
-                    .any(|id| self.channels_with_admin_privileges.contains(id))
-            } else {
-                false
-            }
-        })
-    }
-
-    pub fn channel_participants(&self, channel_id: ChannelId) -> &[Arc<User>] {
-        self.channel_participants
-            .get(&channel_id)
-            .map_or(&[], |v| v.as_slice())
-    }
-
-    pub fn create_channel(
-        &self,
-        name: &str,
-        parent_id: Option<ChannelId>,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<ChannelId>> {
-        let client = self.client.clone();
-        let name = name.trim_start_matches("#").to_owned();
-        cx.spawn(|this, mut cx| async move {
-            let channel = client
-                .request(proto::CreateChannel { name, parent_id })
-                .await?
-                .channel
-                .ok_or_else(|| anyhow!("missing channel in response"))?;
-
-            let channel_id = channel.id;
-
-            this.update(&mut cx, |this, cx| {
-                let task = this.update_channels(
-                    proto::UpdateChannels {
-                        channels: vec![channel],
-                        ..Default::default()
-                    },
-                    cx,
-                );
-                assert!(task.is_none());
-
-                // This event is emitted because the collab panel wants to clear the pending edit state
-                // before this frame is rendered. But we can't guarantee that the collab panel's future
-                // will resolve before this flush_effects finishes. Synchronously emitting this event
-                // ensures that the collab panel will observe this creation before the frame completes
-                cx.emit(ChannelEvent::ChannelCreated(channel_id));
-            });
-
-            Ok(channel_id)
-        })
-    }
-
-    pub fn invite_member(
-        &mut self,
-        channel_id: ChannelId,
-        user_id: UserId,
-        admin: bool,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<()>> {
-        if !self.outgoing_invites.insert((channel_id, user_id)) {
-            return Task::ready(Err(anyhow!("invite request already in progress")));
-        }
-
-        cx.notify();
-        let client = self.client.clone();
-        cx.spawn(|this, mut cx| async move {
-            let result = client
-                .request(proto::InviteChannelMember {
-                    channel_id,
-                    user_id,
-                    admin,
-                })
-                .await;
-
-            this.update(&mut cx, |this, cx| {
-                this.outgoing_invites.remove(&(channel_id, user_id));
-                cx.notify();
-            });
-
-            result?;
-
-            Ok(())
-        })
-    }
-
-    pub fn remove_member(
-        &mut self,
-        channel_id: ChannelId,
-        user_id: u64,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<()>> {
-        if !self.outgoing_invites.insert((channel_id, user_id)) {
-            return Task::ready(Err(anyhow!("invite request already in progress")));
-        }
-
-        cx.notify();
-        let client = self.client.clone();
-        cx.spawn(|this, mut cx| async move {
-            let result = client
-                .request(proto::RemoveChannelMember {
-                    channel_id,
-                    user_id,
-                })
-                .await;
-
-            this.update(&mut cx, |this, cx| {
-                this.outgoing_invites.remove(&(channel_id, user_id));
-                cx.notify();
-            });
-            result?;
-            Ok(())
-        })
-    }
-
-    pub fn set_member_admin(
-        &mut self,
-        channel_id: ChannelId,
-        user_id: UserId,
-        admin: bool,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<()>> {
-        if !self.outgoing_invites.insert((channel_id, user_id)) {
-            return Task::ready(Err(anyhow!("member request already in progress")));
-        }
-
-        cx.notify();
-        let client = self.client.clone();
-        cx.spawn(|this, mut cx| async move {
-            let result = client
-                .request(proto::SetChannelMemberAdmin {
-                    channel_id,
-                    user_id,
-                    admin,
-                })
-                .await;
-
-            this.update(&mut cx, |this, cx| {
-                this.outgoing_invites.remove(&(channel_id, user_id));
-                cx.notify();
-            });
-
-            result?;
-            Ok(())
-        })
-    }
-
-    pub fn rename(
-        &mut self,
-        channel_id: ChannelId,
-        new_name: &str,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<()>> {
-        let client = self.client.clone();
-        let name = new_name.to_string();
-        cx.spawn(|this, mut cx| async move {
-            let channel = client
-                .request(proto::RenameChannel { channel_id, name })
-                .await?
-                .channel
-                .ok_or_else(|| anyhow!("missing channel in response"))?;
-            this.update(&mut cx, |this, cx| {
-                let task = this.update_channels(
-                    proto::UpdateChannels {
-                        channels: vec![channel],
-                        ..Default::default()
-                    },
-                    cx,
-                );
-                assert!(task.is_none());
-
-                // This event is emitted because the collab panel wants to clear the pending edit state
-                // before this frame is rendered. But we can't guarantee that the collab panel's future
-                // will resolve before this flush_effects finishes. Synchronously emitting this event
-                // ensures that the collab panel will observe this creation before the frame complete
-                cx.emit(ChannelEvent::ChannelRenamed(channel_id))
-            });
-            Ok(())
-        })
-    }
-
-    pub fn respond_to_channel_invite(
-        &mut self,
-        channel_id: ChannelId,
-        accept: bool,
-    ) -> impl Future<Output = Result<()>> {
-        let client = self.client.clone();
-        async move {
-            client
-                .request(proto::RespondToChannelInvite { channel_id, accept })
-                .await?;
-            Ok(())
-        }
-    }
-
-    pub fn get_channel_member_details(
-        &self,
-        channel_id: ChannelId,
-        cx: &mut ModelContext<Self>,
-    ) -> Task<Result<Vec<ChannelMembership>>> {
-        let client = self.client.clone();
-        let user_store = self.user_store.downgrade();
-        cx.spawn(|_, mut cx| async move {
-            let response = client
-                .request(proto::GetChannelMembers { channel_id })
-                .await?;
-
-            let user_ids = response.members.iter().map(|m| m.user_id).collect();
-            let user_store = user_store
-                .upgrade(&cx)
-                .ok_or_else(|| anyhow!("user store dropped"))?;
-            let users = user_store
-                .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
-                .await?;
-
-            Ok(users
-                .into_iter()
-                .zip(response.members)
-                .filter_map(|(user, member)| {
-                    Some(ChannelMembership {
-                        user,
-                        admin: member.admin,
-                        kind: proto::channel_member::Kind::from_i32(member.kind)?,
-                    })
-                })
-                .collect())
-        })
-    }
-
-    pub fn remove_channel(&self, channel_id: ChannelId) -> impl Future<Output = Result<()>> {
-        let client = self.client.clone();
-        async move {
-            client.request(proto::RemoveChannel { channel_id }).await?;
-            Ok(())
-        }
-    }
-
-    pub fn has_pending_channel_invite_response(&self, _: &Arc<Channel>) -> bool {
-        false
-    }
-
-    pub fn has_pending_channel_invite(&self, channel_id: ChannelId, user_id: UserId) -> bool {
-        self.outgoing_invites.contains(&(channel_id, user_id))
-    }
-
-    async fn handle_update_channels(
-        this: ModelHandle<Self>,
-        message: TypedEnvelope<proto::UpdateChannels>,
-        _: Arc<Client>,
-        mut cx: AsyncAppContext,
-    ) -> Result<()> {
-        this.update(&mut cx, |this, _| {
-            this.update_channels_tx
-                .unbounded_send(message.payload)
-                .unwrap();
-        });
-        Ok(())
-    }
-
-    pub(crate) fn update_channels(
-        &mut self,
-        payload: proto::UpdateChannels,
-        cx: &mut ModelContext<ChannelStore>,
-    ) -> Option<Task<Result<()>>> {
-        if !payload.remove_channel_invitations.is_empty() {
-            self.channel_invitations
-                .retain(|channel| !payload.remove_channel_invitations.contains(&channel.id));
-        }
-        for channel in payload.channel_invitations {
-            match self
-                .channel_invitations
-                .binary_search_by_key(&channel.id, |c| c.id)
-            {
-                Ok(ix) => Arc::make_mut(&mut self.channel_invitations[ix]).name = channel.name,
-                Err(ix) => self.channel_invitations.insert(
-                    ix,
-                    Arc::new(Channel {
-                        id: channel.id,
-                        name: channel.name,
-                    }),
-                ),
-            }
-        }
-
-        let channels_changed = !payload.channels.is_empty() || !payload.remove_channels.is_empty();
-        if channels_changed {
-            if !payload.remove_channels.is_empty() {
-                self.channels_by_id
-                    .retain(|channel_id, _| !payload.remove_channels.contains(channel_id));
-                self.channel_participants
-                    .retain(|channel_id, _| !payload.remove_channels.contains(channel_id));
-                self.channels_with_admin_privileges
-                    .retain(|channel_id| !payload.remove_channels.contains(channel_id));
-            }
-
-            for channel in payload.channels {
-                if let Some(existing_channel) = self.channels_by_id.get_mut(&channel.id) {
-                    let existing_channel = Arc::make_mut(existing_channel);
-                    existing_channel.name = channel.name;
-                    continue;
-                }
-                self.channels_by_id.insert(
-                    channel.id,
-                    Arc::new(Channel {
-                        id: channel.id,
-                        name: channel.name,
-                    }),
-                );
-
-                if let Some(parent_id) = channel.parent_id {
-                    let mut ix = 0;
-                    while ix < self.channel_paths.len() {
-                        let path = &self.channel_paths[ix];
-                        if path.ends_with(&[parent_id]) {
-                            let mut new_path = path.clone();
-                            new_path.push(channel.id);
-                            self.channel_paths.insert(ix + 1, new_path);
-                            ix += 1;
-                        }
-                        ix += 1;
-                    }
-                } else {
-                    self.channel_paths.push(vec![channel.id]);
-                }
-            }
-
-            self.channel_paths.sort_by(|a, b| {
-                let a = Self::channel_path_sorting_key(a, &self.channels_by_id);
-                let b = Self::channel_path_sorting_key(b, &self.channels_by_id);
-                a.cmp(b)
-            });
-            self.channel_paths.dedup();
-            self.channel_paths.retain(|path| {
-                path.iter()
-                    .all(|channel_id| self.channels_by_id.contains_key(channel_id))
-            });
-        }
-
-        for permission in payload.channel_permissions {
-            if permission.is_admin {
-                self.channels_with_admin_privileges
-                    .insert(permission.channel_id);
-            } else {
-                self.channels_with_admin_privileges
-                    .remove(&permission.channel_id);
-            }
-        }
-
-        cx.notify();
-        if payload.channel_participants.is_empty() {
-            return None;
-        }
-
-        let mut all_user_ids = Vec::new();
-        let channel_participants = payload.channel_participants;
-        for entry in &channel_participants {
-            for user_id in entry.participant_user_ids.iter() {
-                if let Err(ix) = all_user_ids.binary_search(user_id) {
-                    all_user_ids.insert(ix, *user_id);
-                }
-            }
-        }
-
-        let users = self
-            .user_store
-            .update(cx, |user_store, cx| user_store.get_users(all_user_ids, cx));
-        Some(cx.spawn(|this, mut cx| async move {
-            let users = users.await?;
-
-            this.update(&mut cx, |this, cx| {
-                for entry in &channel_participants {
-                    let mut participants: Vec<_> = entry
-                        .participant_user_ids
-                        .iter()
-                        .filter_map(|user_id| {
-                            users
-                                .binary_search_by_key(&user_id, |user| &user.id)
-                                .ok()
-                                .map(|ix| users[ix].clone())
-                        })
-                        .collect();
-
-                    participants.sort_by_key(|u| u.id);
-
-                    this.channel_participants
-                        .insert(entry.channel_id, participants);
-                }
-
-                cx.notify();
-            });
-            anyhow::Ok(())
-        }))
-    }
-
-    fn channel_path_sorting_key<'a>(
-        path: &'a [ChannelId],
-        channels_by_id: &'a HashMap<ChannelId, Arc<Channel>>,
-    ) -> impl 'a + Iterator<Item = Option<&'a str>> {
-        path.iter()
-            .map(|id| Some(channels_by_id.get(id)?.name.as_str()))
-    }
-}
--- a/crates/client/src/channel_store_tests.rs
+++ b/crates/client/src/channel_store_tests.rs
@@ -1,165 +0,0 @@
-use super::*;
-use util::http::FakeHttpClient;
-
-#[gpui::test]
-fn test_update_channels(cx: &mut AppContext) {
-    let http = FakeHttpClient::with_404_response();
-    let client = Client::new(http.clone(), cx);
-    let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
-
-    let channel_store = cx.add_model(|cx| ChannelStore::new(client, user_store, cx));
-
-    update_channels(
-        &channel_store,
-        proto::UpdateChannels {
-            channels: vec![
-                proto::Channel {
-                    id: 1,
-                    name: "b".to_string(),
-                    parent_id: None,
-                },
-                proto::Channel {
-                    id: 2,
-                    name: "a".to_string(),
-                    parent_id: None,
-                },
-            ],
-            channel_permissions: vec![proto::ChannelPermission {
-                channel_id: 1,
-                is_admin: true,
-            }],
-            ..Default::default()
-        },
-        cx,
-    );
-    assert_channels(
-        &channel_store,
-        &[
-            //
-            (0, "a".to_string(), false),
-            (0, "b".to_string(), true),
-        ],
-        cx,
-    );
-
-    update_channels(
-        &channel_store,
-        proto::UpdateChannels {
-            channels: vec![
-                proto::Channel {
-                    id: 3,
-                    name: "x".to_string(),
-                    parent_id: Some(1),
-                },
-                proto::Channel {
-                    id: 4,
-                    name: "y".to_string(),
-                    parent_id: Some(2),
-                },
-            ],
-            ..Default::default()
-        },
-        cx,
-    );
-    assert_channels(
-        &channel_store,
-        &[
-            (0, "a".to_string(), false),
-            (1, "y".to_string(), false),
-            (0, "b".to_string(), true),
-            (1, "x".to_string(), true),
-        ],
-        cx,
-    );
-}
-
-#[gpui::test]
-fn test_dangling_channel_paths(cx: &mut AppContext) {
-    let http = FakeHttpClient::with_404_response();
-    let client = Client::new(http.clone(), cx);
-    let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
-
-    let channel_store = cx.add_model(|cx| ChannelStore::new(client, user_store, cx));
-
-    update_channels(
-        &channel_store,
-        proto::UpdateChannels {
-            channels: vec![
-                proto::Channel {
-                    id: 0,
-                    name: "a".to_string(),
-                    parent_id: None,
-                },
-                proto::Channel {
-                    id: 1,
-                    name: "b".to_string(),
-                    parent_id: Some(0),
-                },
-                proto::Channel {
-                    id: 2,
-                    name: "c".to_string(),
-                    parent_id: Some(1),
-                },
-            ],
-            channel_permissions: vec![proto::ChannelPermission {
-                channel_id: 0,
-                is_admin: true,
-            }],
-            ..Default::default()
-        },
-        cx,
-    );
-    // Sanity check
-    assert_channels(
-        &channel_store,
-        &[
-            //
-            (0, "a".to_string(), true),
-            (1, "b".to_string(), true),
-            (2, "c".to_string(), true),
-        ],
-        cx,
-    );
-
-    update_channels(
-        &channel_store,
-        proto::UpdateChannels {
-            remove_channels: vec![1, 2],
-            ..Default::default()
-        },
-        cx,
-    );
-
-    // Make sure that the 1/2/3 path is gone
-    assert_channels(&channel_store, &[(0, "a".to_string(), true)], cx);
-}
-
-fn update_channels(
-    channel_store: &ModelHandle<ChannelStore>,
-    message: proto::UpdateChannels,
-    cx: &mut AppContext,
-) {
-    let task = channel_store.update(cx, |store, cx| store.update_channels(message, cx));
-    assert!(task.is_none());
-}
-
-#[track_caller]
-fn assert_channels(
-    channel_store: &ModelHandle<ChannelStore>,
-    expected_channels: &[(usize, String, bool)],
-    cx: &AppContext,
-) {
-    let actual = channel_store.read_with(cx, |store, _| {
-        store
-            .channels()
-            .map(|(depth, channel)| {
-                (
-                    depth,
-                    channel.name.to_string(),
-                    store.is_user_admin(channel.id),
-                )
-            })
-            .collect::<Vec<_>>()
-    });
-    assert_eq!(actual, expected_channels);
-}
--- a/crates/client/src/client.rs
+++ b/crates/client/src/client.rs
@@ -1,10 +1,6 @@
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;

-#[cfg(test)]
-mod channel_store_tests;
-
-pub mod channel_store;
 pub mod telemetry;
 pub mod user;

@@ -48,7 +44,6 @@ use util::channel::ReleaseChannel;
 use util::http::HttpClient;
 use util::{ResultExt, TryFutureExt};

-pub use channel_store::*;
 pub use rpc::*;
 pub use telemetry::ClickhouseEvent;
 pub use user::*;
@@ -540,7 +535,6 @@ impl Client {
        }
    }

-    #[track_caller]
    pub fn add_message_handler<M, E, H, F>(
        self: &Arc<Self>,
        model: ModelHandle<E>,
@@ -576,13 +570,7 @@ impl Client {
            }),
        );
        if prev_handler.is_some() {
-            let location = std::panic::Location::caller();
-            panic!(
-                "{}:{} registered handler for the same message {} twice",
-                location.file(),
-                location.line(),
-                std::any::type_name::<M>()
-            );
+            panic!("registered handler for the same message twice");
        }

        Subscription::Message {
--- a/crates/client/src/user.rs
+++ b/crates/client/src/user.rs
@@ -165,29 +165,17 @@ impl UserStore {
                                });

                                current_user_tx.send(user).await.ok();
-
-                                this.update(&mut cx, |_, cx| {
-                                    cx.notify();
-                                });
                            }
                        }
                        Status::SignedOut => {
                            current_user_tx.send(None).await.ok();
                            if let Some(this) = this.upgrade(&cx) {
-                                this.update(&mut cx, |this, cx| {
-                                    cx.notify();
-                                    this.clear_contacts()
-                                })
-                                .await;
+                                this.update(&mut cx, |this, _| this.clear_contacts()).await;
                            }
                        }
                        Status::ConnectionLost => {
                            if let Some(this) = this.upgrade(&cx) {
-                                this.update(&mut cx, |this, cx| {
-                                    cx.notify();
-                                    this.clear_contacts()
-                                })
-                                .await;
+                                this.update(&mut cx, |this, _| this.clear_contacts()).await;
                            }
                        }
                        _ => {}
--- 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 = "0.17.0"
+version = "0.16.0"
 publish = false

 [[bin]]
--- a/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
+++ b/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
@@ -36,8 +36,7 @@ CREATE INDEX "index_contacts_user_id_b" ON "contacts" ("user_id_b");

 CREATE TABLE "rooms" (
    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
-    "live_kit_room" VARCHAR NOT NULL,
-    "channel_id" INTEGER REFERENCES channels (id) ON DELETE CASCADE
+    "live_kit_room" VARCHAR NOT NULL
 );

 CREATE TABLE "projects" (
@@ -185,26 +184,3 @@ 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");
-
-CREATE TABLE "channels" (
-    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
-    "name" VARCHAR NOT NULL,
-    "created_at" TIMESTAMP NOT NULL DEFAULT now
-);
-
-CREATE TABLE "channel_paths" (
-    "id_path" TEXT NOT NULL PRIMARY KEY,
-    "channel_id" INTEGER NOT NULL REFERENCES channels (id) ON DELETE CASCADE
-);
-CREATE INDEX "index_channel_paths_on_channel_id" ON "channel_paths" ("channel_id");
-
-CREATE TABLE "channel_members" (
-    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
-    "channel_id" INTEGER NOT NULL REFERENCES channels (id) ON DELETE CASCADE,
-    "user_id" INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
-    "admin" BOOLEAN NOT NULL DEFAULT false,
-    "accepted" BOOLEAN NOT NULL DEFAULT false,
-    "updated_at" TIMESTAMP NOT NULL DEFAULT now
-);
-
-CREATE UNIQUE INDEX "index_channel_members_on_channel_id_and_user_id" ON "channel_members" ("channel_id", "user_id");
--- a/crates/collab/migrations/20230727150500_add_channels.sql
+++ b/crates/collab/migrations/20230727150500_add_channels.sql
@@ -1,30 +0,0 @@
-DROP TABLE "channel_messages";
-DROP TABLE "channel_memberships";
-DROP TABLE "org_memberships";
-DROP TABLE "orgs";
-DROP TABLE "channels";
-
-CREATE TABLE "channels" (
-    "id" SERIAL PRIMARY KEY,
-    "name" VARCHAR NOT NULL,
-    "created_at" TIMESTAMP NOT NULL DEFAULT now()
-);
-
-CREATE TABLE "channel_paths" (
-    "id_path" VARCHAR NOT NULL PRIMARY KEY,
-    "channel_id" INTEGER NOT NULL REFERENCES channels (id) ON DELETE CASCADE
-);
-CREATE INDEX "index_channel_paths_on_channel_id" ON "channel_paths" ("channel_id");
-
-CREATE TABLE "channel_members" (
-    "id" SERIAL PRIMARY KEY,
-    "channel_id" INTEGER NOT NULL REFERENCES channels (id) ON DELETE CASCADE,
-    "user_id" INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
-    "admin" BOOLEAN NOT NULL DEFAULT false,
-    "accepted" BOOLEAN NOT NULL DEFAULT false,
-    "updated_at" TIMESTAMP NOT NULL DEFAULT now()
-);
-
-CREATE UNIQUE INDEX "index_channel_members_on_channel_id_and_user_id" ON "channel_members" ("channel_id", "user_id");
-
-ALTER TABLE rooms ADD COLUMN "channel_id" INTEGER REFERENCES channels (id) ON DELETE CASCADE;
--- a/crates/collab/src/bin/seed.rs
+++ b/crates/collab/src/bin/seed.rs
@@ -64,9 +64,9 @@ async fn main() {
            .expect("failed to fetch user")
            .is_none()
        {
-            if admin {
+            if let Some(email) = &github_user.email {
                db.create_user(
-                    &format!("{}@zed.dev", github_user.login),
+                    email,
                    admin,
                    db::NewUserParams {
                        github_login: github_user.login,
@@ -76,11 +76,15 @@ async fn main() {
                )
                .await
                .expect("failed to insert user");
-            } else {
-                db.get_or_create_user_by_github_account(
-                    &github_user.login,
-                    Some(github_user.id),
-                    github_user.email.as_deref(),
+            } else if admin {
+                db.create_user(
+                    &format!("{}@zed.dev", github_user.login),
+                    admin,
+                    db::NewUserParams {
+                        github_login: github_user.login,
+                        github_user_id: github_user.id,
+                        invite_count: 5,
+                    },
                )
                .await
                .expect("failed to insert user");
--- a/crates/collab/src/db.rs
+++ b/crates/collab/src/db.rs
--- a/crates/collab/src/db/channel.rs
+++ b/crates/collab/src/db/channel.rs
@@ -1,38 +0,0 @@
-use super::ChannelId;
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "channels")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: ChannelId,
-    pub name: String,
-}
-
-impl ActiveModelBehavior for ActiveModel {}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(has_one = "super::room::Entity")]
-    Room,
-    #[sea_orm(has_many = "super::channel_member::Entity")]
-    Member,
-}
-
-impl Related<super::channel_member::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Member.def()
-    }
-}
-
-impl Related<super::room::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Room.def()
-    }
-}
-
-// impl Related<super::follower::Entity> for Entity {
-//     fn to() -> RelationDef {
-//         Relation::Follower.def()
-//     }
-// }
--- a/crates/collab/src/db/channel_member.rs
+++ b/crates/collab/src/db/channel_member.rs
@@ -1,61 +0,0 @@
-use crate::db::channel_member;
-
-use super::{ChannelId, ChannelMemberId, UserId};
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "channel_members")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: ChannelMemberId,
-    pub channel_id: ChannelId,
-    pub user_id: UserId,
-    pub accepted: bool,
-    pub admin: bool,
-}
-
-impl ActiveModelBehavior for ActiveModel {}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::channel::Entity",
-        from = "Column::ChannelId",
-        to = "super::channel::Column::Id"
-    )]
-    Channel,
-    #[sea_orm(
-        belongs_to = "super::user::Entity",
-        from = "Column::UserId",
-        to = "super::user::Column::Id"
-    )]
-    User,
-}
-
-impl Related<super::channel::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Channel.def()
-    }
-}
-
-impl Related<super::user::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::User.def()
-    }
-}
-
-#[derive(Debug)]
-pub struct UserToChannel;
-
-impl Linked for UserToChannel {
-    type FromEntity = super::user::Entity;
-
-    type ToEntity = super::channel::Entity;
-
-    fn link(&self) -> Vec<RelationDef> {
-        vec![
-            channel_member::Relation::User.def().rev(),
-            channel_member::Relation::Channel.def(),
-        ]
-    }
-}
--- a/crates/collab/src/db/channel_path.rs
+++ b/crates/collab/src/db/channel_path.rs
@@ -1,15 +0,0 @@
-use super::ChannelId;
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "channel_paths")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id_path: String,
-    pub channel_id: ChannelId,
-}
-
-impl ActiveModelBehavior for ActiveModel {}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {}
--- a/crates/collab/src/db/room.rs
+++ b/crates/collab/src/db/room.rs
@@ -1,13 +1,12 @@
-use super::{ChannelId, RoomId};
+use super::RoomId;
 use sea_orm::entity::prelude::*;

-#[derive(Clone, Default, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
 #[sea_orm(table_name = "rooms")]
 pub struct Model {
    #[sea_orm(primary_key)]
    pub id: RoomId,
    pub live_kit_room: String,
-    pub channel_id: Option<ChannelId>,
 }

 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
@@ -18,12 +17,6 @@ pub enum Relation {
    Project,
    #[sea_orm(has_many = "super::follower::Entity")]
    Follower,
-    #[sea_orm(
-        belongs_to = "super::channel::Entity",
-        from = "Column::ChannelId",
-        to = "super::channel::Column::Id"
-    )]
-    Channel,
 }

 impl Related<super::room_participant::Entity> for Entity {
@@ -44,10 +37,4 @@ impl Related<super::follower::Entity> for Entity {
    }
 }

-impl Related<super::channel::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Channel.def()
-    }
-}
-
 impl ActiveModelBehavior for ActiveModel {}
--- a/crates/collab/src/db/tests.rs
+++ b/crates/collab/src/db/tests.rs
@@ -879,453 +879,6 @@ async fn test_invite_codes() {
    assert!(db.has_contact(user5, user1).await.unwrap());
 }

-test_both_dbs!(test_channels_postgres, test_channels_sqlite, db, {
-    let a_id = db
-        .create_user(
-            "user1@example.com",
-            false,
-            NewUserParams {
-                github_login: "user1".into(),
-                github_user_id: 5,
-                invite_count: 0,
-            },
-        )
-        .await
-        .unwrap()
-        .user_id;
-
-    let b_id = db
-        .create_user(
-            "user2@example.com",
-            false,
-            NewUserParams {
-                github_login: "user2".into(),
-                github_user_id: 6,
-                invite_count: 0,
-            },
-        )
-        .await
-        .unwrap()
-        .user_id;
-
-    let zed_id = db.create_root_channel("zed", "1", a_id).await.unwrap();
-
-    // Make sure that people cannot read channels they haven't been invited to
-    assert!(db.get_channel(zed_id, b_id).await.unwrap().is_none());
-
-    db.invite_channel_member(zed_id, b_id, a_id, false)
-        .await
-        .unwrap();
-
-    db.respond_to_channel_invite(zed_id, b_id, true)
-        .await
-        .unwrap();
-
-    let crdb_id = db
-        .create_channel("crdb", Some(zed_id), "2", a_id)
-        .await
-        .unwrap();
-    let livestreaming_id = db
-        .create_channel("livestreaming", Some(zed_id), "3", a_id)
-        .await
-        .unwrap();
-    let replace_id = db
-        .create_channel("replace", Some(zed_id), "4", a_id)
-        .await
-        .unwrap();
-
-    let mut members = db.get_channel_members(replace_id).await.unwrap();
-    members.sort();
-    assert_eq!(members, &[a_id, b_id]);
-
-    let rust_id = db.create_root_channel("rust", "5", a_id).await.unwrap();
-    let cargo_id = db
-        .create_channel("cargo", Some(rust_id), "6", a_id)
-        .await
-        .unwrap();
-
-    let cargo_ra_id = db
-        .create_channel("cargo-ra", Some(cargo_id), "7", a_id)
-        .await
-        .unwrap();
-
-    let result = db.get_channels_for_user(a_id).await.unwrap();
-    assert_eq!(
-        result.channels,
-        vec![
-            Channel {
-                id: zed_id,
-                name: "zed".to_string(),
-                parent_id: None,
-            },
-            Channel {
-                id: crdb_id,
-                name: "crdb".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: livestreaming_id,
-                name: "livestreaming".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: replace_id,
-                name: "replace".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: rust_id,
-                name: "rust".to_string(),
-                parent_id: None,
-            },
-            Channel {
-                id: cargo_id,
-                name: "cargo".to_string(),
-                parent_id: Some(rust_id),
-            },
-            Channel {
-                id: cargo_ra_id,
-                name: "cargo-ra".to_string(),
-                parent_id: Some(cargo_id),
-            }
-        ]
-    );
-
-    let result = db.get_channels_for_user(b_id).await.unwrap();
-    assert_eq!(
-        result.channels,
-        vec![
-            Channel {
-                id: zed_id,
-                name: "zed".to_string(),
-                parent_id: None,
-            },
-            Channel {
-                id: crdb_id,
-                name: "crdb".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: livestreaming_id,
-                name: "livestreaming".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: replace_id,
-                name: "replace".to_string(),
-                parent_id: Some(zed_id),
-            },
-        ]
-    );
-
-    // Update member permissions
-    let set_subchannel_admin = db.set_channel_member_admin(crdb_id, a_id, b_id, true).await;
-    assert!(set_subchannel_admin.is_err());
-    let set_channel_admin = db.set_channel_member_admin(zed_id, a_id, b_id, true).await;
-    assert!(set_channel_admin.is_ok());
-
-    let result = db.get_channels_for_user(b_id).await.unwrap();
-    assert_eq!(
-        result.channels,
-        vec![
-            Channel {
-                id: zed_id,
-                name: "zed".to_string(),
-                parent_id: None,
-            },
-            Channel {
-                id: crdb_id,
-                name: "crdb".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: livestreaming_id,
-                name: "livestreaming".to_string(),
-                parent_id: Some(zed_id),
-            },
-            Channel {
-                id: replace_id,
-                name: "replace".to_string(),
-                parent_id: Some(zed_id),
-            },
-        ]
-    );
-
-    // Remove a single channel
-    db.remove_channel(crdb_id, a_id).await.unwrap();
-    assert!(db.get_channel(crdb_id, a_id).await.unwrap().is_none());
-
-    // Remove a channel tree
-    let (mut channel_ids, user_ids) = db.remove_channel(rust_id, a_id).await.unwrap();
-    channel_ids.sort();
-    assert_eq!(channel_ids, &[rust_id, cargo_id, cargo_ra_id]);
-    assert_eq!(user_ids, &[a_id]);
-
-    assert!(db.get_channel(rust_id, a_id).await.unwrap().is_none());
-    assert!(db.get_channel(cargo_id, a_id).await.unwrap().is_none());
-    assert!(db.get_channel(cargo_ra_id, a_id).await.unwrap().is_none());
-});
-
-test_both_dbs!(
-    test_joining_channels_postgres,
-    test_joining_channels_sqlite,
-    db,
-    {
-        let owner_id = db.create_server("test").await.unwrap().0 as u32;
-
-        let user_1 = db
-            .create_user(
-                "user1@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user1".into(),
-                    github_user_id: 5,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-        let user_2 = db
-            .create_user(
-                "user2@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user2".into(),
-                    github_user_id: 6,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-
-        let channel_1 = db
-            .create_root_channel("channel_1", "1", user_1)
-            .await
-            .unwrap();
-        let room_1 = db.room_id_for_channel(channel_1).await.unwrap();
-
-        // can join a room with membership to its channel
-        let joined_room = db
-            .join_room(room_1, user_1, ConnectionId { owner_id, id: 1 })
-            .await
-            .unwrap();
-        assert_eq!(joined_room.room.participants.len(), 1);
-
-        drop(joined_room);
-        // cannot join a room without membership to its channel
-        assert!(db
-            .join_room(room_1, user_2, ConnectionId { owner_id, id: 1 })
-            .await
-            .is_err());
-    }
-);
-
-test_both_dbs!(
-    test_channel_invites_postgres,
-    test_channel_invites_sqlite,
-    db,
-    {
-        db.create_server("test").await.unwrap();
-
-        let user_1 = db
-            .create_user(
-                "user1@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user1".into(),
-                    github_user_id: 5,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-        let user_2 = db
-            .create_user(
-                "user2@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user2".into(),
-                    github_user_id: 6,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-
-        let user_3 = db
-            .create_user(
-                "user3@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user3".into(),
-                    github_user_id: 7,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-
-        let channel_1_1 = db
-            .create_root_channel("channel_1", "1", user_1)
-            .await
-            .unwrap();
-
-        let channel_1_2 = db
-            .create_root_channel("channel_2", "2", user_1)
-            .await
-            .unwrap();
-
-        db.invite_channel_member(channel_1_1, user_2, user_1, false)
-            .await
-            .unwrap();
-        db.invite_channel_member(channel_1_2, user_2, user_1, false)
-            .await
-            .unwrap();
-        db.invite_channel_member(channel_1_1, user_3, user_1, true)
-            .await
-            .unwrap();
-
-        let user_2_invites = db
-            .get_channel_invites_for_user(user_2) // -> [channel_1_1, channel_1_2]
-            .await
-            .unwrap()
-            .into_iter()
-            .map(|channel| channel.id)
-            .collect::<Vec<_>>();
-
-        assert_eq!(user_2_invites, &[channel_1_1, channel_1_2]);
-
-        let user_3_invites = db
-            .get_channel_invites_for_user(user_3) // -> [channel_1_1]
-            .await
-            .unwrap()
-            .into_iter()
-            .map(|channel| channel.id)
-            .collect::<Vec<_>>();
-
-        assert_eq!(user_3_invites, &[channel_1_1]);
-
-        let members = db
-            .get_channel_member_details(channel_1_1, user_1)
-            .await
-            .unwrap();
-        assert_eq!(
-            members,
-            &[
-                proto::ChannelMember {
-                    user_id: user_1.to_proto(),
-                    kind: proto::channel_member::Kind::Member.into(),
-                    admin: true,
-                },
-                proto::ChannelMember {
-                    user_id: user_2.to_proto(),
-                    kind: proto::channel_member::Kind::Invitee.into(),
-                    admin: false,
-                },
-                proto::ChannelMember {
-                    user_id: user_3.to_proto(),
-                    kind: proto::channel_member::Kind::Invitee.into(),
-                    admin: true,
-                },
-            ]
-        );
-
-        db.respond_to_channel_invite(channel_1_1, user_2, true)
-            .await
-            .unwrap();
-
-        let channel_1_3 = db
-            .create_channel("channel_3", Some(channel_1_1), "1", user_1)
-            .await
-            .unwrap();
-
-        let members = db
-            .get_channel_member_details(channel_1_3, user_1)
-            .await
-            .unwrap();
-        assert_eq!(
-            members,
-            &[
-                proto::ChannelMember {
-                    user_id: user_1.to_proto(),
-                    kind: proto::channel_member::Kind::Member.into(),
-                    admin: true,
-                },
-                proto::ChannelMember {
-                    user_id: user_2.to_proto(),
-                    kind: proto::channel_member::Kind::AncestorMember.into(),
-                    admin: false,
-                },
-            ]
-        );
-    }
-);
-
-test_both_dbs!(
-    test_channel_renames_postgres,
-    test_channel_renames_sqlite,
-    db,
-    {
-        db.create_server("test").await.unwrap();
-
-        let user_1 = db
-            .create_user(
-                "user1@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user1".into(),
-                    github_user_id: 5,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-
-        let user_2 = db
-            .create_user(
-                "user2@example.com",
-                false,
-                NewUserParams {
-                    github_login: "user2".into(),
-                    github_user_id: 6,
-                    invite_count: 0,
-                },
-            )
-            .await
-            .unwrap()
-            .user_id;
-
-        let zed_id = db.create_root_channel("zed", "1", user_1).await.unwrap();
-
-        db.rename_channel(zed_id, user_1, "#zed-archive")
-            .await
-            .unwrap();
-
-        let zed_archive_id = zed_id;
-
-        let (channel, _) = db
-            .get_channel(zed_archive_id, user_1)
-            .await
-            .unwrap()
-            .unwrap();
-        assert_eq!(channel.name, "zed-archive");
-
-        let non_permissioned_rename = db
-            .rename_channel(zed_archive_id, user_2, "hacked-lol")
-            .await;
-        assert!(non_permissioned_rename.is_err());
-
-        let bad_name_rename = db.rename_channel(zed_id, user_1, "#").await;
-        assert!(bad_name_rename.is_err())
-    }
-);
-
 #[gpui::test]
 async fn test_multiple_signup_overwrite() {
    let test_db = TestDb::postgres(build_background_executor());
--- a/crates/collab/src/db/user.rs
+++ b/crates/collab/src/db/user.rs
@@ -26,8 +26,6 @@ pub enum Relation {
    RoomParticipant,
    #[sea_orm(has_many = "super::project::Entity")]
    HostedProjects,
-    #[sea_orm(has_many = "super::channel_member::Entity")]
-    ChannelMemberships,
 }

 impl Related<super::access_token::Entity> for Entity {
@@ -48,10 +46,4 @@ impl Related<super::project::Entity> for Entity {
    }
 }

-impl Related<super::channel_member::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::ChannelMemberships.def()
-    }
-}
-
 impl ActiveModelBehavior for ActiveModel {}
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -2,7 +2,7 @@ mod connection_pool;

 use crate::{
    auth,
-    db::{self, ChannelId, ChannelsForUser, Database, ProjectId, RoomId, ServerId, User, UserId},
+    db::{self, Database, ProjectId, RoomId, ServerId, User, UserId},
    executor::Executor,
    AppState, Result,
 };
@@ -34,10 +34,7 @@ use futures::{
 use lazy_static::lazy_static;
 use prometheus::{register_int_gauge, IntGauge};
 use rpc::{
-    proto::{
-        self, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
-        RequestMessage,
-    },
+    proto::{self, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, RequestMessage},
    Connection, ConnectionId, Peer, Receipt, TypedEnvelope,
 };
 use serde::{Serialize, Serializer};
@@ -242,15 +239,6 @@ impl Server {
            .add_request_handler(request_contact)
            .add_request_handler(remove_contact)
            .add_request_handler(respond_to_contact_request)
-            .add_request_handler(create_channel)
-            .add_request_handler(remove_channel)
-            .add_request_handler(invite_channel_member)
-            .add_request_handler(remove_channel_member)
-            .add_request_handler(set_channel_member_admin)
-            .add_request_handler(rename_channel)
-            .add_request_handler(get_channel_members)
-            .add_request_handler(respond_to_channel_invite)
-            .add_request_handler(join_channel)
            .add_request_handler(follow)
            .add_message_handler(unfollow)
            .add_message_handler(update_followers)
@@ -299,15 +287,6 @@ impl Server {
                                "refreshed room"
                            );
                            room_updated(&refreshed_room.room, &peer);
-                            if let Some(channel_id) = refreshed_room.channel_id {
-                                channel_updated(
-                                    channel_id,
-                                    &refreshed_room.room,
-                                    &refreshed_room.channel_members,
-                                    &peer,
-                                    &*pool.lock(),
-                                );
-                            }
                            contacts_to_update
                                .extend(refreshed_room.stale_participant_user_ids.iter().copied());
                            contacts_to_update
@@ -529,21 +508,15 @@ impl Server {
                this.app_state.db.set_user_connected_once(user_id, true).await?;
            }

-            let (contacts, invite_code, channels_for_user, channel_invites) = future::try_join4(
+            let (contacts, invite_code) = future::try_join(
                this.app_state.db.get_contacts(user_id),
-                this.app_state.db.get_invite_code_for_user(user_id),
-                this.app_state.db.get_channels_for_user(user_id),
-                this.app_state.db.get_channel_invites_for_user(user_id)
+                this.app_state.db.get_invite_code_for_user(user_id)
            ).await?;

            {
                let mut pool = this.connection_pool.lock();
                pool.add_connection(connection_id, user_id, user.admin);
                this.peer.send(connection_id, build_initial_contacts_update(contacts, &pool))?;
-                this.peer.send(connection_id, build_initial_channels_update(
-                    channels_for_user,
-                    channel_invites
-                ))?;

                if let Some((code, count)) = invite_code {
                    this.peer.send(connection_id, proto::UpdateInviteInfo {
@@ -884,41 +857,42 @@ async fn create_room(
    session: Session,
 ) -> Result<()> {
    let live_kit_room = nanoid::nanoid!(30);
-
-    let live_kit_connection_info = {
-        let live_kit_room = live_kit_room.clone();
-        let live_kit = session.live_kit_client.as_ref();
-
-        util::async_iife!({
-            let live_kit = live_kit?;
-
-            live_kit
-                .create_room(live_kit_room.clone())
-                .await
-                .trace_err()?;
-
-            let token = live_kit
+    let live_kit_connection_info = if let Some(live_kit) = session.live_kit_client.as_ref() {
+        if let Some(_) = live_kit
+            .create_room(live_kit_room.clone())
+            .await
+            .trace_err()
+        {
+            if let Some(token) = live_kit
                .room_token(&live_kit_room, &session.user_id.to_string())
-                .trace_err()?;
+                .trace_err()
+            {
+                Some(proto::LiveKitConnectionInfo {
+                    server_url: live_kit.url().into(),
+                    token,
+                })
+            } else {
+                None
+            }
+        } else {
+            None
+        }
+    } else {
+        None
+    };

-            Some(proto::LiveKitConnectionInfo {
-                server_url: live_kit.url().into(),
-                token,
-            })
-        })
+    {
+        let room = session
+            .db()
+            .await
+            .create_room(session.user_id, session.connection_id, &live_kit_room)
+            .await?;
+
+        response.send(proto::CreateRoomResponse {
+            room: Some(room.clone()),
+            live_kit_connection_info,
+        })?;
    }
-    .await;
-
-    let room = session
-        .db()
-        .await
-        .create_room(session.user_id, session.connection_id, &live_kit_room)
-        .await?;
-
-    response.send(proto::CreateRoomResponse {
-        room: Some(room.clone()),
-        live_kit_connection_info,
-    })?;

    update_user_contacts(session.user_id, &session).await?;
    Ok(())
@@ -930,26 +904,16 @@ async fn join_room(
    session: Session,
 ) -> Result<()> {
    let room_id = RoomId::from_proto(request.id);
-    let joined_room = {
+    let room = {
        let room = session
            .db()
            .await
            .join_room(room_id, session.user_id, session.connection_id)
            .await?;
-        room_updated(&room.room, &session.peer);
-        room.into_inner()
+        room_updated(&room, &session.peer);
+        room.clone()
    };

-    if let Some(channel_id) = joined_room.channel_id {
-        channel_updated(
-            channel_id,
-            &joined_room.room,
-            &joined_room.channel_members,
-            &session.peer,
-            &*session.connection_pool().await,
-        )
-    }
-
    for connection_id in session
        .connection_pool()
        .await
@@ -968,10 +932,7 @@ async fn join_room(

    let live_kit_connection_info = if let Some(live_kit) = session.live_kit_client.as_ref() {
        if let Some(token) = live_kit
-            .room_token(
-                &joined_room.room.live_kit_room,
-                &session.user_id.to_string(),
-            )
+            .room_token(&room.live_kit_room, &session.user_id.to_string())
            .trace_err()
        {
            Some(proto::LiveKitConnectionInfo {
@@ -986,8 +947,7 @@ async fn join_room(
    };

    response.send(proto::JoinRoomResponse {
-        room: Some(joined_room.room),
-        channel_id: joined_room.channel_id.map(|id| id.to_proto()),
+        room: Some(room),
        live_kit_connection_info,
    })?;

@@ -1000,9 +960,6 @@ async fn rejoin_room(
    response: Response<proto::RejoinRoom>,
    session: Session,
 ) -> Result<()> {
-    let room;
-    let channel_id;
-    let channel_members;
    {
        let mut rejoined_room = session
            .db()
@@ -1164,22 +1121,6 @@ async fn rejoin_room(
                )?;
            }
        }
-
-        let rejoined_room = rejoined_room.into_inner();
-
-        room = rejoined_room.room;
-        channel_id = rejoined_room.channel_id;
-        channel_members = rejoined_room.channel_members;
-    }
-
-    if let Some(channel_id) = channel_id {
-        channel_updated(
-            channel_id,
-            &room,
-            &channel_members,
-            &session.peer,
-            &*session.connection_pool().await,
-        );
    }

    update_user_contacts(session.user_id, &session).await?;
@@ -1341,12 +1282,11 @@ async fn update_participant_location(
    let location = request
        .location
        .ok_or_else(|| anyhow!("invalid location"))?;
-
-    let db = session.db().await;
-    let room = db
+    let room = session
+        .db()
+        .await
        .update_room_participant_location(room_id, session.connection_id, location)
        .await?;
-
    room_updated(&room, &session.peer);
    response.send(proto::Ack {})?;
    Ok(())
@@ -2144,340 +2084,6 @@ async fn remove_contact(
    Ok(())
 }

-async fn create_channel(
-    request: proto::CreateChannel,
-    response: Response<proto::CreateChannel>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let live_kit_room = format!("channel-{}", nanoid::nanoid!(30));
-
-    if let Some(live_kit) = session.live_kit_client.as_ref() {
-        live_kit.create_room(live_kit_room.clone()).await?;
-    }
-
-    let parent_id = request.parent_id.map(|id| ChannelId::from_proto(id));
-    let id = db
-        .create_channel(&request.name, parent_id, &live_kit_room, session.user_id)
-        .await?;
-
-    let channel = proto::Channel {
-        id: id.to_proto(),
-        name: request.name,
-        parent_id: request.parent_id,
-    };
-
-    response.send(proto::ChannelResponse {
-        channel: Some(channel.clone()),
-    })?;
-
-    let mut update = proto::UpdateChannels::default();
-    update.channels.push(channel);
-
-    let user_ids_to_notify = if let Some(parent_id) = parent_id {
-        db.get_channel_members(parent_id).await?
-    } else {
-        vec![session.user_id]
-    };
-
-    let connection_pool = session.connection_pool().await;
-    for user_id in user_ids_to_notify {
-        for connection_id in connection_pool.user_connection_ids(user_id) {
-            let mut update = update.clone();
-            if user_id == session.user_id {
-                update.channel_permissions.push(proto::ChannelPermission {
-                    channel_id: id.to_proto(),
-                    is_admin: true,
-                });
-            }
-            session.peer.send(connection_id, update)?;
-        }
-    }
-
-    Ok(())
-}
-
-async fn remove_channel(
-    request: proto::RemoveChannel,
-    response: Response<proto::RemoveChannel>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-
-    let channel_id = request.channel_id;
-    let (removed_channels, member_ids) = db
-        .remove_channel(ChannelId::from_proto(channel_id), session.user_id)
-        .await?;
-    response.send(proto::Ack {})?;
-
-    // Notify members of removed channels
-    let mut update = proto::UpdateChannels::default();
-    update
-        .remove_channels
-        .extend(removed_channels.into_iter().map(|id| id.to_proto()));
-
-    let connection_pool = session.connection_pool().await;
-    for member_id in member_ids {
-        for connection_id in connection_pool.user_connection_ids(member_id) {
-            session.peer.send(connection_id, update.clone())?;
-        }
-    }
-
-    Ok(())
-}
-
-async fn invite_channel_member(
-    request: proto::InviteChannelMember,
-    response: Response<proto::InviteChannelMember>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    let invitee_id = UserId::from_proto(request.user_id);
-    db.invite_channel_member(channel_id, invitee_id, session.user_id, request.admin)
-        .await?;
-
-    let (channel, _) = db
-        .get_channel(channel_id, session.user_id)
-        .await?
-        .ok_or_else(|| anyhow!("channel not found"))?;
-
-    let mut update = proto::UpdateChannels::default();
-    update.channel_invitations.push(proto::Channel {
-        id: channel.id.to_proto(),
-        name: channel.name,
-        parent_id: None,
-    });
-    for connection_id in session
-        .connection_pool()
-        .await
-        .user_connection_ids(invitee_id)
-    {
-        session.peer.send(connection_id, update.clone())?;
-    }
-
-    response.send(proto::Ack {})?;
-    Ok(())
-}
-
-async fn remove_channel_member(
-    request: proto::RemoveChannelMember,
-    response: Response<proto::RemoveChannelMember>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    let member_id = UserId::from_proto(request.user_id);
-
-    db.remove_channel_member(channel_id, member_id, session.user_id)
-        .await?;
-
-    let mut update = proto::UpdateChannels::default();
-    update.remove_channels.push(channel_id.to_proto());
-
-    for connection_id in session
-        .connection_pool()
-        .await
-        .user_connection_ids(member_id)
-    {
-        session.peer.send(connection_id, update.clone())?;
-    }
-
-    response.send(proto::Ack {})?;
-    Ok(())
-}
-
-async fn set_channel_member_admin(
-    request: proto::SetChannelMemberAdmin,
-    response: Response<proto::SetChannelMemberAdmin>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    let member_id = UserId::from_proto(request.user_id);
-    db.set_channel_member_admin(channel_id, session.user_id, member_id, request.admin)
-        .await?;
-
-    let (channel, has_accepted) = db
-        .get_channel(channel_id, member_id)
-        .await?
-        .ok_or_else(|| anyhow!("channel not found"))?;
-
-    let mut update = proto::UpdateChannels::default();
-    if has_accepted {
-        update.channel_permissions.push(proto::ChannelPermission {
-            channel_id: channel.id.to_proto(),
-            is_admin: request.admin,
-        });
-    }
-
-    for connection_id in session
-        .connection_pool()
-        .await
-        .user_connection_ids(member_id)
-    {
-        session.peer.send(connection_id, update.clone())?;
-    }
-
-    response.send(proto::Ack {})?;
-    Ok(())
-}
-
-async fn rename_channel(
-    request: proto::RenameChannel,
-    response: Response<proto::RenameChannel>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    let new_name = db
-        .rename_channel(channel_id, session.user_id, &request.name)
-        .await?;
-
-    let channel = proto::Channel {
-        id: request.channel_id,
-        name: new_name,
-        parent_id: None,
-    };
-    response.send(proto::ChannelResponse {
-        channel: Some(channel.clone()),
-    })?;
-    let mut update = proto::UpdateChannels::default();
-    update.channels.push(channel);
-
-    let member_ids = db.get_channel_members(channel_id).await?;
-
-    let connection_pool = session.connection_pool().await;
-    for member_id in member_ids {
-        for connection_id in connection_pool.user_connection_ids(member_id) {
-            session.peer.send(connection_id, update.clone())?;
-        }
-    }
-
-    Ok(())
-}
-
-async fn get_channel_members(
-    request: proto::GetChannelMembers,
-    response: Response<proto::GetChannelMembers>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    let members = db
-        .get_channel_member_details(channel_id, session.user_id)
-        .await?;
-    response.send(proto::GetChannelMembersResponse { members })?;
-    Ok(())
-}
-
-async fn respond_to_channel_invite(
-    request: proto::RespondToChannelInvite,
-    response: Response<proto::RespondToChannelInvite>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-    let channel_id = ChannelId::from_proto(request.channel_id);
-    db.respond_to_channel_invite(channel_id, session.user_id, request.accept)
-        .await?;
-
-    let mut update = proto::UpdateChannels::default();
-    update
-        .remove_channel_invitations
-        .push(channel_id.to_proto());
-    if request.accept {
-        let result = db.get_channels_for_user(session.user_id).await?;
-        update
-            .channels
-            .extend(result.channels.into_iter().map(|channel| proto::Channel {
-                id: channel.id.to_proto(),
-                name: channel.name,
-                parent_id: channel.parent_id.map(ChannelId::to_proto),
-            }));
-        update
-            .channel_participants
-            .extend(
-                result
-                    .channel_participants
-                    .into_iter()
-                    .map(|(channel_id, user_ids)| proto::ChannelParticipants {
-                        channel_id: channel_id.to_proto(),
-                        participant_user_ids: user_ids.into_iter().map(UserId::to_proto).collect(),
-                    }),
-            );
-        update
-            .channel_permissions
-            .extend(
-                result
-                    .channels_with_admin_privileges
-                    .into_iter()
-                    .map(|channel_id| proto::ChannelPermission {
-                        channel_id: channel_id.to_proto(),
-                        is_admin: true,
-                    }),
-            );
-    }
-    session.peer.send(session.connection_id, update)?;
-    response.send(proto::Ack {})?;
-
-    Ok(())
-}
-
-async fn join_channel(
-    request: proto::JoinChannel,
-    response: Response<proto::JoinChannel>,
-    session: Session,
-) -> Result<()> {
-    let channel_id = ChannelId::from_proto(request.channel_id);
-
-    let joined_room = {
-        leave_room_for_session(&session).await?;
-        let db = session.db().await;
-
-        let room_id = db.room_id_for_channel(channel_id).await?;
-
-        let joined_room = db
-            .join_room(room_id, session.user_id, session.connection_id)
-            .await?;
-
-        let live_kit_connection_info = session.live_kit_client.as_ref().and_then(|live_kit| {
-            let token = live_kit
-                .room_token(
-                    &joined_room.room.live_kit_room,
-                    &session.user_id.to_string(),
-                )
-                .trace_err()?;
-
-            Some(LiveKitConnectionInfo {
-                server_url: live_kit.url().into(),
-                token,
-            })
-        });
-
-        response.send(proto::JoinRoomResponse {
-            room: Some(joined_room.room.clone()),
-            channel_id: joined_room.channel_id.map(|id| id.to_proto()),
-            live_kit_connection_info,
-        })?;
-
-        room_updated(&joined_room.room, &session.peer);
-
-        joined_room.into_inner()
-    };
-
-    channel_updated(
-        channel_id,
-        &joined_room.room,
-        &joined_room.channel_members,
-        &session.peer,
-        &*session.connection_pool().await,
-    );
-
-    update_user_contacts(session.user_id, &session).await?;
-
-    Ok(())
-}
-
 async fn update_diff_base(request: proto::UpdateDiffBase, session: Session) -> Result<()> {
    let project_id = ProjectId::from_proto(request.project_id);
    let project_connection_ids = session
@@ -2548,52 +2154,6 @@ fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
    }
 }

-fn build_initial_channels_update(
-    channels: ChannelsForUser,
-    channel_invites: Vec<db::Channel>,
-) -> proto::UpdateChannels {
-    let mut update = proto::UpdateChannels::default();
-
-    for channel in channels.channels {
-        update.channels.push(proto::Channel {
-            id: channel.id.to_proto(),
-            name: channel.name,
-            parent_id: channel.parent_id.map(|id| id.to_proto()),
-        });
-    }
-
-    for (channel_id, participants) in channels.channel_participants {
-        update
-            .channel_participants
-            .push(proto::ChannelParticipants {
-                channel_id: channel_id.to_proto(),
-                participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
-            });
-    }
-
-    update
-        .channel_permissions
-        .extend(
-            channels
-                .channels_with_admin_privileges
-                .into_iter()
-                .map(|id| proto::ChannelPermission {
-                    channel_id: id.to_proto(),
-                    is_admin: true,
-                }),
-        );
-
-    for channel in channel_invites {
-        update.channel_invitations.push(proto::Channel {
-            id: channel.id.to_proto(),
-            name: channel.name,
-            parent_id: None,
-        });
-    }
-
-    update
-}
-
 fn build_initial_contacts_update(
    contacts: Vec<db::Contact>,
    pool: &ConnectionPool,
@@ -2658,42 +2218,8 @@ fn room_updated(room: &proto::Room, peer: &Peer) {
    );
 }

-fn channel_updated(
-    channel_id: ChannelId,
-    room: &proto::Room,
-    channel_members: &[UserId],
-    peer: &Peer,
-    pool: &ConnectionPool,
-) {
-    let participants = room
-        .participants
-        .iter()
-        .map(|p| p.user_id)
-        .collect::<Vec<_>>();
-
-    broadcast(
-        None,
-        channel_members
-            .iter()
-            .flat_map(|user_id| pool.user_connection_ids(*user_id)),
-        |peer_id| {
-            peer.send(
-                peer_id.into(),
-                proto::UpdateChannels {
-                    channel_participants: vec![proto::ChannelParticipants {
-                        channel_id: channel_id.to_proto(),
-                        participant_user_ids: participants.clone(),
-                    }],
-                    ..Default::default()
-                },
-            )
-        },
-    );
-}
-
 async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
    let db = session.db().await;
-
    let contacts = db.get_contacts(user_id).await?;
    let busy = db.is_user_busy(user_id).await?;

@@ -2733,10 +2259,6 @@ async fn leave_room_for_session(session: &Session) -> Result<()> {
    let canceled_calls_to_user_ids;
    let live_kit_room;
    let delete_live_kit_room;
-    let room;
-    let channel_members;
-    let channel_id;
-
    if let Some(mut left_room) = session.db().await.leave_room(session.connection_id).await? {
        contacts_to_update.insert(session.user_id);

@@ -2744,29 +2266,15 @@ async fn leave_room_for_session(session: &Session) -> Result<()> {
            project_left(project, session);
        }

+        room_updated(&left_room.room, &session.peer);
        room_id = RoomId::from_proto(left_room.room.id);
        canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
        live_kit_room = mem::take(&mut left_room.room.live_kit_room);
-        delete_live_kit_room = left_room.deleted;
-        room = mem::take(&mut left_room.room);
-        channel_members = mem::take(&mut left_room.channel_members);
-        channel_id = left_room.channel_id;
-
-        room_updated(&room, &session.peer);
+        delete_live_kit_room = left_room.room.participants.is_empty();
    } else {
        return Ok(());
    }

-    if let Some(channel_id) = channel_id {
-        channel_updated(
-            channel_id,
-            &room,
-            &channel_members,
-            &session.peer,
-            &*session.connection_pool().await,
-        );
-    }
-
    {
        let pool = session.connection_pool().await;
        for canceled_user_id in canceled_calls_to_user_ids {
--- a/crates/collab/src/tests.rs
+++ b/crates/collab/src/tests.rs
@@ -5,15 +5,17 @@ use crate::{
    AppState,
 };
 use anyhow::anyhow;
-use call::{ActiveCall, Room};
+use call::ActiveCall;
 use client::{
-    self, proto::PeerId, ChannelStore, 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, ModelHandle, Task, TestAppContext, WindowHandle};
+use gpui::{
+    elements::*, executor::Deterministic, AnyElement, Entity, ModelHandle, TestAppContext, View,
+    ViewContext, ViewHandle, WeakViewHandle,
+};
 use language::LanguageRegistry;
 use parking_lot::Mutex;
 use project::{Project, WorktreeId};
@@ -31,7 +33,6 @@ use std::{
 use util::http::FakeHttpClient;
 use workspace::Workspace;

-mod channel_tests;
 mod integration_tests;
 mod randomized_integration_tests;

@@ -100,9 +101,6 @@ impl TestServer {

    async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
        cx.update(|cx| {
-            if cx.has_global::<SettingsStore>() {
-                panic!("Same cx used to create two test clients")
-            }
            cx.set_global(SettingsStore::test(cx));
        });

@@ -188,16 +186,13 @@ impl TestServer {

        let fs = FakeFs::new(cx.background());
        let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
-        let channel_store =
-            cx.add_model(|cx| ChannelStore::new(client.clone(), user_store.clone(), cx));
        let app_state = Arc::new(workspace::AppState {
            client: client.clone(),
            user_store: user_store.clone(),
-            channel_store: channel_store.clone(),
            languages: Arc::new(LanguageRegistry::test()),
            fs: fs.clone(),
            build_window_options: |_, _, _| Default::default(),
-            initialize_workspace: |_, _, _, _| Task::ready(Ok(())),
+            initialize_workspace: |_, _, _, _| unimplemented!(),
            background_actions: || &[],
        });

@@ -218,9 +213,12 @@ impl TestServer {
            .unwrap();

        let client = TestClient {
-            app_state,
+            client,
            username: name.to_string(),
            state: Default::default(),
+            user_store,
+            fs,
+            language_registry: Arc::new(LanguageRegistry::test()),
        };
        client.wait_for_current_user(cx).await;
        client
@@ -248,7 +246,6 @@ impl TestServer {
            let (client_a, cx_a) = left.last_mut().unwrap();
            for (client_b, cx_b) in right {
                client_a
-                    .app_state
                    .user_store
                    .update(*cx_a, |store, cx| {
                        store.request_contact(client_b.user_id().unwrap(), cx)
@@ -257,7 +254,6 @@ impl TestServer {
                    .unwrap();
                cx_a.foreground().run_until_parked();
                client_b
-                    .app_state
                    .user_store
                    .update(*cx_b, |store, cx| {
                        store.respond_to_contact_request(client_a.user_id().unwrap(), true, cx)
@@ -268,52 +264,6 @@ impl TestServer {
        }
    }

-    async fn make_channel(
-        &self,
-        channel: &str,
-        admin: (&TestClient, &mut TestAppContext),
-        members: &mut [(&TestClient, &mut TestAppContext)],
-    ) -> u64 {
-        let (admin_client, admin_cx) = admin;
-        let channel_id = admin_client
-            .app_state
-            .channel_store
-            .update(admin_cx, |channel_store, cx| {
-                channel_store.create_channel(channel, None, cx)
-            })
-            .await
-            .unwrap();
-
-        for (member_client, member_cx) in members {
-            admin_client
-                .app_state
-                .channel_store
-                .update(admin_cx, |channel_store, cx| {
-                    channel_store.invite_member(
-                        channel_id,
-                        member_client.user_id().unwrap(),
-                        false,
-                        cx,
-                    )
-                })
-                .await
-                .unwrap();
-
-            admin_cx.foreground().run_until_parked();
-
-            member_client
-                .app_state
-                .channel_store
-                .update(*member_cx, |channels, _| {
-                    channels.respond_to_channel_invite(channel_id, true)
-                })
-                .await
-                .unwrap();
-        }
-
-        channel_id
-    }
-
    async fn create_room(&self, clients: &mut [(&TestClient, &mut TestAppContext)]) {
        self.make_contacts(clients).await;

@@ -365,9 +315,12 @@ impl Drop for TestServer {
 }

 struct TestClient {
+    client: Arc<Client>,
    username: String,
    state: RefCell<TestClientState>,
-    app_state: Arc<workspace::AppState>,
+    pub user_store: ModelHandle<UserStore>,
+    language_registry: Arc<LanguageRegistry>,
+    fs: Arc<FakeFs>,
 }

 #[derive(Default)]
@@ -381,7 +334,7 @@ impl Deref for TestClient {
    type Target = Arc<Client>;

    fn deref(&self) -> &Self::Target {
-        &self.app_state.client
+        &self.client
    }
 }

@@ -392,45 +345,22 @@ struct ContactsSummary {
 }

 impl TestClient {
-    pub fn fs(&self) -> &FakeFs {
-        self.app_state.fs.as_fake()
-    }
-
-    pub fn channel_store(&self) -> &ModelHandle<ChannelStore> {
-        &self.app_state.channel_store
-    }
-
-    pub fn user_store(&self) -> &ModelHandle<UserStore> {
-        &self.app_state.user_store
-    }
-
-    pub fn language_registry(&self) -> &Arc<LanguageRegistry> {
-        &self.app_state.languages
-    }
-
-    pub fn client(&self) -> &Arc<Client> {
-        &self.app_state.client
-    }
-
    pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
        UserId::from_proto(
-            self.app_state
-                .user_store
+            self.user_store
                .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
        )
    }

    async fn wait_for_current_user(&self, cx: &TestAppContext) {
        let mut authed_user = self
-            .app_state
            .user_store
            .read_with(cx, |user_store, _| user_store.watch_current_user());
        while authed_user.next().await.unwrap().is_none() {}
    }

    async fn clear_contacts(&self, cx: &mut TestAppContext) {
-        self.app_state
-            .user_store
+        self.user_store
            .update(cx, |store, _| store.clear_contacts())
            .await;
    }
@@ -468,25 +398,23 @@ impl TestClient {
    }

    fn summarize_contacts(&self, cx: &TestAppContext) -> ContactsSummary {
-        self.app_state
-            .user_store
-            .read_with(cx, |store, _| ContactsSummary {
-                current: store
-                    .contacts()
-                    .iter()
-                    .map(|contact| contact.user.github_login.clone())
-                    .collect(),
-                outgoing_requests: store
-                    .outgoing_contact_requests()
-                    .iter()
-                    .map(|user| user.github_login.clone())
-                    .collect(),
-                incoming_requests: store
-                    .incoming_contact_requests()
-                    .iter()
-                    .map(|user| user.github_login.clone())
-                    .collect(),
-            })
+        self.user_store.read_with(cx, |store, _| ContactsSummary {
+            current: store
+                .contacts()
+                .iter()
+                .map(|contact| contact.user.github_login.clone())
+                .collect(),
+            outgoing_requests: store
+                .outgoing_contact_requests()
+                .iter()
+                .map(|user| user.github_login.clone())
+                .collect(),
+            incoming_requests: store
+                .incoming_contact_requests()
+                .iter()
+                .map(|user| user.github_login.clone())
+                .collect(),
+        })
    }

    async fn build_local_project(
@@ -496,10 +424,10 @@ impl TestClient {
    ) -> (ModelHandle<Project>, WorktreeId) {
        let project = cx.update(|cx| {
            Project::local(
-                self.client().clone(),
-                self.app_state.user_store.clone(),
-                self.app_state.languages.clone(),
-                self.app_state.fs.clone(),
+                self.client.clone(),
+                self.user_store.clone(),
+                self.language_registry.clone(),
+                self.fs.clone(),
                cx,
            )
        });
@@ -525,8 +453,8 @@ impl TestClient {
        room.update(guest_cx, |room, cx| {
            room.join_project(
                host_project_id,
-                self.app_state.languages.clone(),
-                self.app_state.fs.clone(),
+                self.language_registry.clone(),
+                self.fs.clone(),
                cx,
            )
        })
@@ -538,37 +466,47 @@ impl TestClient {
        &self,
        project: &ModelHandle<Project>,
        cx: &mut TestAppContext,
-    ) -> WindowHandle<Workspace> {
-        cx.add_window(|cx| Workspace::new(0, project.clone(), self.app_state.clone(), cx))
+    ) -> ViewHandle<Workspace> {
+        struct WorkspaceContainer {
+            workspace: Option<WeakViewHandle<Workspace>>,
+        }
+
+        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
    }
 }

 impl Drop for TestClient {
    fn drop(&mut self) {
-        self.app_state.client.teardown();
+        self.client.teardown();
    }
 }
-
-#[derive(Debug, Eq, PartialEq)]
-struct RoomParticipants {
-    remote: Vec<String>,
-    pending: Vec<String>,
-}
-
-fn room_participants(room: &ModelHandle<Room>, cx: &mut TestAppContext) -> RoomParticipants {
-    room.read_with(cx, |room, _| {
-        let mut remote = room
-            .remote_participants()
-            .iter()
-            .map(|(_, participant)| participant.user.github_login.clone())
-            .collect::<Vec<_>>();
-        let mut pending = room
-            .pending_participants()
-            .iter()
-            .map(|user| user.github_login.clone())
-            .collect::<Vec<_>>();
-        remote.sort();
-        pending.sort();
-        RoomParticipants { remote, pending }
-    })
-}
--- a/crates/collab/src/tests/channel_tests.rs
+++ b/crates/collab/src/tests/channel_tests.rs
@@ -1,820 +0,0 @@
-use crate::{
-    rpc::RECONNECT_TIMEOUT,
-    tests::{room_participants, RoomParticipants, TestServer},
-};
-use call::ActiveCall;
-use client::{ChannelId, ChannelMembership, ChannelStore, User};
-use gpui::{executor::Deterministic, ModelHandle, TestAppContext};
-use rpc::{proto, RECEIVE_TIMEOUT};
-use std::sync::Arc;
-
-#[gpui::test]
-async fn test_core_channels(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-
-    let channel_a_id = client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.create_channel("channel-a", None, cx)
-        })
-        .await
-        .unwrap();
-    let channel_b_id = client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.create_channel("channel-b", Some(channel_a_id), cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-    assert_channels(
-        client_a.channel_store(),
-        cx_a,
-        &[
-            ExpectedChannel {
-                id: channel_a_id,
-                name: "channel-a".to_string(),
-                depth: 0,
-                user_is_admin: true,
-            },
-            ExpectedChannel {
-                id: channel_b_id,
-                name: "channel-b".to_string(),
-                depth: 1,
-                user_is_admin: true,
-            },
-        ],
-    );
-
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert!(channels.channels().collect::<Vec<_>>().is_empty())
-    });
-
-    // Invite client B to channel A as client A.
-    client_a
-        .channel_store()
-        .update(cx_a, |store, cx| {
-            assert!(!store.has_pending_channel_invite(channel_a_id, client_b.user_id().unwrap()));
-
-            let invite = store.invite_member(channel_a_id, client_b.user_id().unwrap(), false, cx);
-
-            // Make sure we're synchronously storing the pending invite
-            assert!(store.has_pending_channel_invite(channel_a_id, client_b.user_id().unwrap()));
-            invite
-        })
-        .await
-        .unwrap();
-
-    // Client A sees that B has been invited.
-    deterministic.run_until_parked();
-    assert_channel_invitations(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            id: channel_a_id,
-            name: "channel-a".to_string(),
-            depth: 0,
-            user_is_admin: false,
-        }],
-    );
-
-    let members = client_a
-        .channel_store()
-        .update(cx_a, |store, cx| {
-            assert!(!store.has_pending_channel_invite(channel_a_id, client_b.user_id().unwrap()));
-            store.get_channel_member_details(channel_a_id, cx)
-        })
-        .await
-        .unwrap();
-    assert_members_eq(
-        &members,
-        &[
-            (
-                client_a.user_id().unwrap(),
-                true,
-                proto::channel_member::Kind::Member,
-            ),
-            (
-                client_b.user_id().unwrap(),
-                false,
-                proto::channel_member::Kind::Invitee,
-            ),
-        ],
-    );
-
-    // Client B accepts the invitation.
-    client_b
-        .channel_store()
-        .update(cx_b, |channels, _| {
-            channels.respond_to_channel_invite(channel_a_id, true)
-        })
-        .await
-        .unwrap();
-    deterministic.run_until_parked();
-
-    // Client B now sees that they are a member of channel A and its existing subchannels.
-    assert_channel_invitations(client_b.channel_store(), cx_b, &[]);
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[
-            ExpectedChannel {
-                id: channel_a_id,
-                name: "channel-a".to_string(),
-                user_is_admin: false,
-                depth: 0,
-            },
-            ExpectedChannel {
-                id: channel_b_id,
-                name: "channel-b".to_string(),
-                user_is_admin: false,
-                depth: 1,
-            },
-        ],
-    );
-
-    let channel_c_id = client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.create_channel("channel-c", Some(channel_b_id), cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[
-            ExpectedChannel {
-                id: channel_a_id,
-                name: "channel-a".to_string(),
-                user_is_admin: false,
-                depth: 0,
-            },
-            ExpectedChannel {
-                id: channel_b_id,
-                name: "channel-b".to_string(),
-                user_is_admin: false,
-                depth: 1,
-            },
-            ExpectedChannel {
-                id: channel_c_id,
-                name: "channel-c".to_string(),
-                user_is_admin: false,
-                depth: 2,
-            },
-        ],
-    );
-
-    // Update client B's membership to channel A to be an admin.
-    client_a
-        .channel_store()
-        .update(cx_a, |store, cx| {
-            store.set_member_admin(channel_a_id, client_b.user_id().unwrap(), true, cx)
-        })
-        .await
-        .unwrap();
-    deterministic.run_until_parked();
-
-    // Observe that client B is now an admin of channel A, and that
-    // their admin priveleges extend to subchannels of channel A.
-    assert_channel_invitations(client_b.channel_store(), cx_b, &[]);
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[
-            ExpectedChannel {
-                id: channel_a_id,
-                name: "channel-a".to_string(),
-                depth: 0,
-                user_is_admin: true,
-            },
-            ExpectedChannel {
-                id: channel_b_id,
-                name: "channel-b".to_string(),
-                depth: 1,
-                user_is_admin: true,
-            },
-            ExpectedChannel {
-                id: channel_c_id,
-                name: "channel-c".to_string(),
-                depth: 2,
-                user_is_admin: true,
-            },
-        ],
-    );
-
-    // Client A deletes the channel, deletion also deletes subchannels.
-    client_a
-        .channel_store()
-        .update(cx_a, |channel_store, _| {
-            channel_store.remove_channel(channel_b_id)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-    assert_channels(
-        client_a.channel_store(),
-        cx_a,
-        &[ExpectedChannel {
-            id: channel_a_id,
-            name: "channel-a".to_string(),
-            depth: 0,
-            user_is_admin: true,
-        }],
-    );
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            id: channel_a_id,
-            name: "channel-a".to_string(),
-            depth: 0,
-            user_is_admin: true,
-        }],
-    );
-
-    // Remove client B
-    client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.remove_member(channel_a_id, client_b.user_id().unwrap(), cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    // Client A still has their channel
-    assert_channels(
-        client_a.channel_store(),
-        cx_a,
-        &[ExpectedChannel {
-            id: channel_a_id,
-            name: "channel-a".to_string(),
-            depth: 0,
-            user_is_admin: true,
-        }],
-    );
-
-    // Client B no longer has access to the channel
-    assert_channels(client_b.channel_store(), cx_b, &[]);
-
-    // When disconnected, client A sees no channels.
-    server.forbid_connections();
-    server.disconnect_client(client_a.peer_id().unwrap());
-    deterministic.advance_clock(RECEIVE_TIMEOUT + RECONNECT_TIMEOUT);
-    assert_channels(client_a.channel_store(), cx_a, &[]);
-
-    server.allow_connections();
-    deterministic.advance_clock(RECEIVE_TIMEOUT + RECONNECT_TIMEOUT);
-    assert_channels(
-        client_a.channel_store(),
-        cx_a,
-        &[ExpectedChannel {
-            id: channel_a_id,
-            name: "channel-a".to_string(),
-            depth: 0,
-            user_is_admin: true,
-        }],
-    );
-}
-
-#[track_caller]
-fn assert_participants_eq(participants: &[Arc<User>], expected_partitipants: &[u64]) {
-    assert_eq!(
-        participants.iter().map(|p| p.id).collect::<Vec<_>>(),
-        expected_partitipants
-    );
-}
-
-#[track_caller]
-fn assert_members_eq(
-    members: &[ChannelMembership],
-    expected_members: &[(u64, bool, proto::channel_member::Kind)],
-) {
-    assert_eq!(
-        members
-            .iter()
-            .map(|member| (member.user.id, member.admin, member.kind))
-            .collect::<Vec<_>>(),
-        expected_members
-    );
-}
-
-#[gpui::test]
-async fn test_joining_channel_ancestor_member(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-
-    let parent_id = server
-        .make_channel("parent", (&client_a, cx_a), &mut [(&client_b, cx_b)])
-        .await;
-
-    let sub_id = client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.create_channel("sub_channel", Some(parent_id), cx)
-        })
-        .await
-        .unwrap();
-
-    let active_call_b = cx_b.read(ActiveCall::global);
-
-    assert!(active_call_b
-        .update(cx_b, |active_call, cx| active_call.join_channel(sub_id, cx))
-        .await
-        .is_ok());
-}
-
-#[gpui::test]
-async fn test_channel_room(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-    cx_c: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-    let client_c = server.create_client(cx_c, "user_c").await;
-
-    let zed_id = server
-        .make_channel(
-            "zed",
-            (&client_a, cx_a),
-            &mut [(&client_b, cx_b), (&client_c, cx_c)],
-        )
-        .await;
-
-    let active_call_a = cx_a.read(ActiveCall::global);
-    let active_call_b = cx_b.read(ActiveCall::global);
-
-    active_call_a
-        .update(cx_a, |active_call, cx| active_call.join_channel(zed_id, cx))
-        .await
-        .unwrap();
-
-    // Give everyone a chance to observe user A joining
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap()],
-        );
-    });
-
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            id: zed_id,
-            name: "zed".to_string(),
-            depth: 0,
-            user_is_admin: false,
-        }],
-    );
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap()],
-        );
-    });
-
-    client_c.channel_store().read_with(cx_c, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap()],
-        );
-    });
-
-    active_call_b
-        .update(cx_b, |active_call, cx| active_call.join_channel(zed_id, cx))
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-
-    client_c.channel_store().read_with(cx_c, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-
-    let room_a = active_call_a.read_with(cx_a, |call, _| call.room().unwrap().clone());
-    room_a.read_with(cx_a, |room, _| assert!(room.is_connected()));
-    assert_eq!(
-        room_participants(&room_a, cx_a),
-        RoomParticipants {
-            remote: vec!["user_b".to_string()],
-            pending: vec![]
-        }
-    );
-
-    let room_b = active_call_b.read_with(cx_b, |call, _| call.room().unwrap().clone());
-    room_b.read_with(cx_b, |room, _| assert!(room.is_connected()));
-    assert_eq!(
-        room_participants(&room_b, cx_b),
-        RoomParticipants {
-            remote: vec!["user_a".to_string()],
-            pending: vec![]
-        }
-    );
-
-    // Make sure that leaving and rejoining works
-
-    active_call_a
-        .update(cx_a, |active_call, cx| active_call.hang_up(cx))
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_b.user_id().unwrap()],
-        );
-    });
-
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_b.user_id().unwrap()],
-        );
-    });
-
-    client_c.channel_store().read_with(cx_c, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_b.user_id().unwrap()],
-        );
-    });
-
-    active_call_b
-        .update(cx_b, |active_call, cx| active_call.hang_up(cx))
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(channels.channel_participants(zed_id), &[]);
-    });
-
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert_participants_eq(channels.channel_participants(zed_id), &[]);
-    });
-
-    client_c.channel_store().read_with(cx_c, |channels, _| {
-        assert_participants_eq(channels.channel_participants(zed_id), &[]);
-    });
-
-    active_call_a
-        .update(cx_a, |active_call, cx| active_call.join_channel(zed_id, cx))
-        .await
-        .unwrap();
-
-    active_call_b
-        .update(cx_b, |active_call, cx| active_call.join_channel(zed_id, cx))
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    let room_a = active_call_a.read_with(cx_a, |call, _| call.room().unwrap().clone());
-    room_a.read_with(cx_a, |room, _| assert!(room.is_connected()));
-    assert_eq!(
-        room_participants(&room_a, cx_a),
-        RoomParticipants {
-            remote: vec!["user_b".to_string()],
-            pending: vec![]
-        }
-    );
-
-    let room_b = active_call_b.read_with(cx_b, |call, _| call.room().unwrap().clone());
-    room_b.read_with(cx_b, |room, _| assert!(room.is_connected()));
-    assert_eq!(
-        room_participants(&room_b, cx_b),
-        RoomParticipants {
-            remote: vec!["user_a".to_string()],
-            pending: vec![]
-        }
-    );
-}
-
-#[gpui::test]
-async fn test_channel_jumping(deterministic: Arc<Deterministic>, cx_a: &mut TestAppContext) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-
-    let zed_id = server.make_channel("zed", (&client_a, cx_a), &mut []).await;
-    let rust_id = server
-        .make_channel("rust", (&client_a, cx_a), &mut [])
-        .await;
-
-    let active_call_a = cx_a.read(ActiveCall::global);
-
-    active_call_a
-        .update(cx_a, |active_call, cx| active_call.join_channel(zed_id, cx))
-        .await
-        .unwrap();
-
-    // Give everything a chance to observe user A joining
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(zed_id),
-            &[client_a.user_id().unwrap()],
-        );
-        assert_participants_eq(channels.channel_participants(rust_id), &[]);
-    });
-
-    active_call_a
-        .update(cx_a, |active_call, cx| {
-            active_call.join_channel(rust_id, cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(channels.channel_participants(zed_id), &[]);
-        assert_participants_eq(
-            channels.channel_participants(rust_id),
-            &[client_a.user_id().unwrap()],
-        );
-    });
-}
-
-#[gpui::test]
-async fn test_permissions_update_while_invited(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-
-    let rust_id = server
-        .make_channel("rust", (&client_a, cx_a), &mut [])
-        .await;
-
-    client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.invite_member(rust_id, client_b.user_id().unwrap(), false, cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    assert_channel_invitations(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            depth: 0,
-            id: rust_id,
-            name: "rust".to_string(),
-            user_is_admin: false,
-        }],
-    );
-    assert_channels(client_b.channel_store(), cx_b, &[]);
-
-    // Update B's invite before they've accepted it
-    client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.set_member_admin(rust_id, client_b.user_id().unwrap(), true, cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    assert_channel_invitations(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            depth: 0,
-            id: rust_id,
-            name: "rust".to_string(),
-            user_is_admin: false,
-        }],
-    );
-    assert_channels(client_b.channel_store(), cx_b, &[]);
-}
-
-#[gpui::test]
-async fn test_channel_rename(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-
-    let rust_id = server
-        .make_channel("rust", (&client_a, cx_a), &mut [(&client_b, cx_b)])
-        .await;
-
-    // Rename the channel
-    client_a
-        .channel_store()
-        .update(cx_a, |channel_store, cx| {
-            channel_store.rename(rust_id, "#rust-archive", cx)
-        })
-        .await
-        .unwrap();
-
-    deterministic.run_until_parked();
-
-    // Client A sees the channel with its new name.
-    assert_channels(
-        client_a.channel_store(),
-        cx_a,
-        &[ExpectedChannel {
-            depth: 0,
-            id: rust_id,
-            name: "rust-archive".to_string(),
-            user_is_admin: true,
-        }],
-    );
-
-    // Client B sees the channel with its new name.
-    assert_channels(
-        client_b.channel_store(),
-        cx_b,
-        &[ExpectedChannel {
-            depth: 0,
-            id: rust_id,
-            name: "rust-archive".to_string(),
-            user_is_admin: false,
-        }],
-    );
-}
-
-#[gpui::test]
-async fn test_call_from_channel(
-    deterministic: Arc<Deterministic>,
-    cx_a: &mut TestAppContext,
-    cx_b: &mut TestAppContext,
-    cx_c: &mut TestAppContext,
-) {
-    deterministic.forbid_parking();
-    let mut server = TestServer::start(&deterministic).await;
-    let client_a = server.create_client(cx_a, "user_a").await;
-    let client_b = server.create_client(cx_b, "user_b").await;
-    let client_c = server.create_client(cx_c, "user_c").await;
-    server
-        .make_contacts(&mut [(&client_a, cx_a), (&client_b, cx_b)])
-        .await;
-
-    let channel_id = server
-        .make_channel(
-            "x",
-            (&client_a, cx_a),
-            &mut [(&client_b, cx_b), (&client_c, cx_c)],
-        )
-        .await;
-
-    let active_call_a = cx_a.read(ActiveCall::global);
-    let active_call_b = cx_b.read(ActiveCall::global);
-
-    active_call_a
-        .update(cx_a, |call, cx| call.join_channel(channel_id, cx))
-        .await
-        .unwrap();
-
-    // Client A calls client B while in the channel.
-    active_call_a
-        .update(cx_a, |call, cx| {
-            call.invite(client_b.user_id().unwrap(), None, cx)
-        })
-        .await
-        .unwrap();
-
-    // Client B accepts the call.
-    deterministic.run_until_parked();
-    active_call_b
-        .update(cx_b, |call, cx| call.accept_incoming(cx))
-        .await
-        .unwrap();
-
-    // Client B sees that they are now in the channel
-    deterministic.run_until_parked();
-    active_call_b.read_with(cx_b, |call, cx| {
-        assert_eq!(call.channel_id(cx), Some(channel_id));
-    });
-    client_b.channel_store().read_with(cx_b, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(channel_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-
-    // Clients A and C also see that client B is in the channel.
-    client_a.channel_store().read_with(cx_a, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(channel_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-    client_c.channel_store().read_with(cx_c, |channels, _| {
-        assert_participants_eq(
-            channels.channel_participants(channel_id),
-            &[client_a.user_id().unwrap(), client_b.user_id().unwrap()],
-        );
-    });
-}
-
-#[derive(Debug, PartialEq)]
-struct ExpectedChannel {
-    depth: usize,
-    id: ChannelId,
-    name: String,
-    user_is_admin: bool,
-}
-
-#[track_caller]
-fn assert_channel_invitations(
-    channel_store: &ModelHandle<ChannelStore>,
-    cx: &TestAppContext,
-    expected_channels: &[ExpectedChannel],
-) {
-    let actual = channel_store.read_with(cx, |store, _| {
-        store
-            .channel_invitations()
-            .iter()
-            .map(|channel| ExpectedChannel {
-                depth: 0,
-                name: channel.name.clone(),
-                id: channel.id,
-                user_is_admin: store.is_user_admin(channel.id),
-            })
-            .collect::<Vec<_>>()
-    });
-    assert_eq!(actual, expected_channels);
-}
-
-#[track_caller]
-fn assert_channels(
-    channel_store: &ModelHandle<ChannelStore>,
-    cx: &TestAppContext,
-    expected_channels: &[ExpectedChannel],
-) {
-    let actual = channel_store.read_with(cx, |store, _| {
-        store
-            .channels()
-            .map(|(depth, channel)| ExpectedChannel {
-                depth,
-                name: channel.name.clone(),
-                id: channel.id,
-                user_is_admin: store.is_user_admin(channel.id),
-            })
-            .collect::<Vec<_>>()
-    });
-    assert_eq!(actual, expected_channels);
-}
--- 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
@@ -396,9 +396,9 @@ async fn apply_client_operation(
            );

            let root_path = Path::new("/").join(&first_root_name);
-            client.fs().create_dir(&root_path).await.unwrap();
+            client.fs.create_dir(&root_path).await.unwrap();
            client
-                .fs()
+                .fs
                .create_file(&root_path.join("main.rs"), Default::default())
                .await
                .unwrap();
@@ -422,8 +422,8 @@ async fn apply_client_operation(
            );

            ensure_project_shared(&project, client, cx).await;
-            if !client.fs().paths(false).contains(&new_root_path) {
-                client.fs().create_dir(&new_root_path).await.unwrap();
+            if !client.fs.paths(false).contains(&new_root_path) {
+                client.fs.create_dir(&new_root_path).await.unwrap();
            }
            project
                .update(cx, |project, cx| {
@@ -475,7 +475,7 @@ async fn apply_client_operation(
                    Some(room.update(cx, |room, cx| {
                        room.join_project(
                            project_id,
-                            client.language_registry().clone(),
+                            client.language_registry.clone(),
                            FakeFs::new(cx.background().clone()),
                            cx,
                        )
@@ -743,7 +743,7 @@ async fn apply_client_operation(
            content,
        } => {
            if !client
-                .fs()
+                .fs
                .directories(false)
                .contains(&path.parent().unwrap().to_owned())
            {
@@ -752,14 +752,14 @@ async fn apply_client_operation(

            if is_dir {
                log::info!("{}: creating dir at {:?}", client.username, path);
-                client.fs().create_dir(&path).await.unwrap();
+                client.fs.create_dir(&path).await.unwrap();
            } else {
-                let exists = client.fs().metadata(&path).await?.is_some();
+                let exists = client.fs.metadata(&path).await?.is_some();
                let verb = if exists { "updating" } else { "creating" };
                log::info!("{}: {} file at {:?}", verb, client.username, path);

                client
-                    .fs()
+                    .fs
                    .save(&path, &content.as_str().into(), fs::LineEnding::Unix)
                    .await
                    .unwrap();
@@ -771,12 +771,12 @@ async fn apply_client_operation(
                repo_path,
                contents,
            } => {
-                if !client.fs().directories(false).contains(&repo_path) {
+                if !client.fs.directories(false).contains(&repo_path) {
                    return Err(TestError::Inapplicable);
                }

                for (path, _) in contents.iter() {
-                    if !client.fs().files().contains(&repo_path.join(path)) {
+                    if !client.fs.files().contains(&repo_path.join(path)) {
                        return Err(TestError::Inapplicable);
                    }
                }
@@ -793,16 +793,16 @@ async fn apply_client_operation(
                    .iter()
                    .map(|(path, contents)| (path.as_path(), contents.clone()))
                    .collect::<Vec<_>>();
-                if client.fs().metadata(&dot_git_dir).await?.is_none() {
-                    client.fs().create_dir(&dot_git_dir).await?;
+                if client.fs.metadata(&dot_git_dir).await?.is_none() {
+                    client.fs.create_dir(&dot_git_dir).await?;
                }
-                client.fs().set_index_for_repo(&dot_git_dir, &contents);
+                client.fs.set_index_for_repo(&dot_git_dir, &contents);
            }
            GitOperation::WriteGitBranch {
                repo_path,
                new_branch,
            } => {
-                if !client.fs().directories(false).contains(&repo_path) {
+                if !client.fs.directories(false).contains(&repo_path) {
                    return Err(TestError::Inapplicable);
                }

@@ -814,21 +814,21 @@ async fn apply_client_operation(
                );

                let dot_git_dir = repo_path.join(".git");
-                if client.fs().metadata(&dot_git_dir).await?.is_none() {
-                    client.fs().create_dir(&dot_git_dir).await?;
+                if client.fs.metadata(&dot_git_dir).await?.is_none() {
+                    client.fs.create_dir(&dot_git_dir).await?;
                }
-                client.fs().set_branch_name(&dot_git_dir, new_branch);
+                client.fs.set_branch_name(&dot_git_dir, new_branch);
            }
            GitOperation::WriteGitStatuses {
                repo_path,
                statuses,
                git_operation,
            } => {
-                if !client.fs().directories(false).contains(&repo_path) {
+                if !client.fs.directories(false).contains(&repo_path) {
                    return Err(TestError::Inapplicable);
                }
                for (path, _) in statuses.iter() {
-                    if !client.fs().files().contains(&repo_path.join(path)) {
+                    if !client.fs.files().contains(&repo_path.join(path)) {
                        return Err(TestError::Inapplicable);
                    }
                }
@@ -847,16 +847,16 @@ async fn apply_client_operation(
                    .map(|(path, val)| (path.as_path(), val.clone()))
                    .collect::<Vec<_>>();

-                if client.fs().metadata(&dot_git_dir).await?.is_none() {
-                    client.fs().create_dir(&dot_git_dir).await?;
+                if client.fs.metadata(&dot_git_dir).await?.is_none() {
+                    client.fs.create_dir(&dot_git_dir).await?;
                }

                if git_operation {
                    client
-                        .fs()
+                        .fs
                        .set_status_for_repo_via_git_operation(&dot_git_dir, statuses.as_slice());
                } else {
-                    client.fs().set_status_for_repo_via_working_copy_change(
+                    client.fs.set_status_for_repo_via_working_copy_change(
                        &dot_git_dir,
                        statuses.as_slice(),
                    );
@@ -1499,7 +1499,7 @@ impl TestPlan {
                        // Invite a contact to the current call
                        0..=70 => {
                            let available_contacts =
-                                client.user_store().read_with(cx, |user_store, _| {
+                                client.user_store.read_with(cx, |user_store, _| {
                                    user_store
                                        .contacts()
                                        .iter()
@@ -1596,7 +1596,7 @@ impl TestPlan {
                                .choose(&mut self.rng)
                                .cloned() else { continue };
                            let project_root_name = root_name_for_project(&project, cx);
-                            let mut paths = client.fs().paths(false);
+                            let mut paths = client.fs.paths(false);
                            paths.remove(0);
                            let new_root_path = if paths.is_empty() || self.rng.gen() {
                                Path::new("/").join(&self.next_root_dir_name(user_id))
@@ -1776,7 +1776,7 @@ impl TestPlan {
                    let is_dir = self.rng.gen::<bool>();
                    let content;
                    let mut path;
-                    let dir_paths = client.fs().directories(false);
+                    let dir_paths = client.fs.directories(false);

                    if is_dir {
                        content = String::new();
@@ -1786,7 +1786,7 @@ impl TestPlan {
                        content = Alphanumeric.sample_string(&mut self.rng, 16);

                        // Create a new file or overwrite an existing file
-                        let file_paths = client.fs().files();
+                        let file_paths = client.fs.files();
                        if file_paths.is_empty() || self.rng.gen_bool(0.5) {
                            path = dir_paths.choose(&mut self.rng).unwrap().clone();
                            path.push(gen_file_name(&mut self.rng));
@@ -1812,7 +1812,7 @@ impl TestPlan {
            client: &TestClient,
        ) -> Vec<PathBuf> {
            let mut paths = client
-                .fs()
+                .fs
                .files()
                .into_iter()
                .filter(|path| path.starts_with(repo_path))
@@ -1829,7 +1829,7 @@ impl TestPlan {
        }

        let repo_path = client
-            .fs()
+            .fs
            .directories(false)
            .choose(&mut self.rng)
            .unwrap()
@@ -1928,7 +1928,7 @@ async fn simulate_client(
            name: "the-fake-language-server",
            capabilities: lsp::LanguageServer::full_capabilities(),
            initializer: Some(Box::new({
-                let fs = client.app_state.fs.clone();
+                let fs = client.fs.clone();
                move |fake_server: &mut FakeLanguageServer| {
                    fake_server.handle_request::<lsp::request::Completion, _, _>(
                        |_, _| async move {
@@ -1973,7 +1973,7 @@ async fn simulate_client(
                            let background = cx.background();
                            let mut rng = background.rng();
                            let count = rng.gen_range::<usize, _>(1..3);
-                            let files = fs.as_fake().files();
+                            let files = fs.files();
                            let files = (0..count)
                                .map(|_| files.choose(&mut *rng).unwrap().clone())
                                .collect::<Vec<_>>();
@@ -2023,7 +2023,7 @@ async fn simulate_client(
            ..Default::default()
        }))
        .await;
-    client.app_state.languages.add(Arc::new(language));
+    client.language_registry.add(Arc::new(language));

    while let Some(batch_id) = operation_rx.next().await {
        let Some((operation, applied)) = plan.lock().next_client_operation(&client, batch_id, &cx) else { break };
--- a/crates/collab_ui/Cargo.toml
+++ b/crates/collab_ui/Cargo.toml
@@ -23,7 +23,6 @@ test-support = [

 [dependencies]
 auto_update = { path = "../auto_update" }
-db = { path = "../db" }
 call = { path = "../call" }
 client = { path = "../client" }
 clock = { path = "../clock" }
@@ -38,7 +37,6 @@ picker = { path = "../picker" }
 project = { path = "../project" }
 recent_projects = {path = "../recent_projects"}
 settings = { path = "../settings" }
-staff_mode = {path = "../staff_mode"}
 theme = { path = "../theme" }
 theme_selector = { path = "../theme_selector" }
 vcs_menu = { path = "../vcs_menu" }
@@ -46,10 +44,10 @@ util = { path = "../util" }
 workspace = { path = "../workspace" }
 zed-actions = {path = "../zed-actions"}

+
 anyhow.workspace = true
 futures.workspace = true
 log.workspace = true
-schemars.workspace = true
 postage.workspace = true
 serde.workspace = true
 serde_derive.workspace = true
--- a/crates/collab_ui/src/collab_panel.rs
+++ b/crates/collab_ui/src/collab_panel.rs
--- a/crates/collab_ui/src/collab_panel/channel_modal.rs
+++ b/crates/collab_ui/src/collab_panel/channel_modal.rs
@@ -1,615 +0,0 @@
-use client::{proto, ChannelId, ChannelMembership, ChannelStore, User, UserId, UserStore};
-use context_menu::{ContextMenu, ContextMenuItem};
-use fuzzy::{match_strings, StringMatchCandidate};
-use gpui::{
-    actions,
-    elements::*,
-    platform::{CursorStyle, MouseButton},
-    AppContext, Entity, ModelHandle, MouseState, Task, View, ViewContext, ViewHandle,
-};
-use picker::{Picker, PickerDelegate, PickerEvent};
-use std::sync::Arc;
-use util::TryFutureExt;
-use workspace::Modal;
-
-actions!(
-    channel_modal,
-    [
-        SelectNextControl,
-        ToggleMode,
-        ToggleMemberAdmin,
-        RemoveMember
-    ]
-);
-
-pub fn init(cx: &mut AppContext) {
-    Picker::<ChannelModalDelegate>::init(cx);
-    cx.add_action(ChannelModal::toggle_mode);
-    cx.add_action(ChannelModal::toggle_member_admin);
-    cx.add_action(ChannelModal::remove_member);
-    cx.add_action(ChannelModal::dismiss);
-}
-
-pub struct ChannelModal {
-    picker: ViewHandle<Picker<ChannelModalDelegate>>,
-    channel_store: ModelHandle<ChannelStore>,
-    channel_id: ChannelId,
-    has_focus: bool,
-}
-
-impl ChannelModal {
-    pub fn new(
-        user_store: ModelHandle<UserStore>,
-        channel_store: ModelHandle<ChannelStore>,
-        channel_id: ChannelId,
-        mode: Mode,
-        members: Vec<ChannelMembership>,
-        cx: &mut ViewContext<Self>,
-    ) -> Self {
-        cx.observe(&channel_store, |_, _, cx| cx.notify()).detach();
-        let picker = cx.add_view(|cx| {
-            Picker::new(
-                ChannelModalDelegate {
-                    matching_users: Vec::new(),
-                    matching_member_indices: Vec::new(),
-                    selected_index: 0,
-                    user_store: user_store.clone(),
-                    channel_store: channel_store.clone(),
-                    channel_id,
-                    match_candidates: Vec::new(),
-                    members,
-                    mode,
-                    context_menu: cx.add_view(|cx| {
-                        let mut menu = ContextMenu::new(cx.view_id(), cx);
-                        menu.set_position_mode(OverlayPositionMode::Local);
-                        menu
-                    }),
-                },
-                cx,
-            )
-            .with_theme(|theme| theme.collab_panel.tabbed_modal.picker.clone())
-        });
-
-        cx.subscribe(&picker, |_, _, e, cx| cx.emit(*e)).detach();
-
-        let has_focus = picker.read(cx).has_focus();
-
-        Self {
-            picker,
-            channel_store,
-            channel_id,
-            has_focus,
-        }
-    }
-
-    fn toggle_mode(&mut self, _: &ToggleMode, cx: &mut ViewContext<Self>) {
-        let mode = match self.picker.read(cx).delegate().mode {
-            Mode::ManageMembers => Mode::InviteMembers,
-            Mode::InviteMembers => Mode::ManageMembers,
-        };
-        self.set_mode(mode, cx);
-    }
-
-    fn set_mode(&mut self, mode: Mode, cx: &mut ViewContext<Self>) {
-        let channel_store = self.channel_store.clone();
-        let channel_id = self.channel_id;
-        cx.spawn(|this, mut cx| async move {
-            if mode == Mode::ManageMembers {
-                let members = channel_store
-                    .update(&mut cx, |channel_store, cx| {
-                        channel_store.get_channel_member_details(channel_id, cx)
-                    })
-                    .await?;
-                this.update(&mut cx, |this, cx| {
-                    this.picker
-                        .update(cx, |picker, _| picker.delegate_mut().members = members);
-                })?;
-            }
-
-            this.update(&mut cx, |this, cx| {
-                this.picker.update(cx, |picker, cx| {
-                    let delegate = picker.delegate_mut();
-                    delegate.mode = mode;
-                    delegate.selected_index = 0;
-                    picker.set_query("", cx);
-                    picker.update_matches(picker.query(cx), cx);
-                    cx.notify()
-                });
-                cx.notify()
-            })
-        })
-        .detach();
-    }
-
-    fn toggle_member_admin(&mut self, _: &ToggleMemberAdmin, cx: &mut ViewContext<Self>) {
-        self.picker.update(cx, |picker, cx| {
-            picker.delegate_mut().toggle_selected_member_admin(cx);
-        })
-    }
-
-    fn remove_member(&mut self, _: &RemoveMember, cx: &mut ViewContext<Self>) {
-        self.picker.update(cx, |picker, cx| {
-            picker.delegate_mut().remove_selected_member(cx);
-        });
-    }
-
-    fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
-        cx.emit(PickerEvent::Dismiss);
-    }
-}
-
-impl Entity for ChannelModal {
-    type Event = PickerEvent;
-}
-
-impl View for ChannelModal {
-    fn ui_name() -> &'static str {
-        "ChannelModal"
-    }
-
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
-        let theme = &theme::current(cx).collab_panel.tabbed_modal;
-
-        let mode = self.picker.read(cx).delegate().mode;
-        let Some(channel) = self
-            .channel_store
-            .read(cx)
-            .channel_for_id(self.channel_id) else {
-                return Empty::new().into_any()
-            };
-
-        enum InviteMembers {}
-        enum ManageMembers {}
-
-        fn render_mode_button<T: 'static>(
-            mode: Mode,
-            text: &'static str,
-            current_mode: Mode,
-            theme: &theme::TabbedModal,
-            cx: &mut ViewContext<ChannelModal>,
-        ) -> AnyElement<ChannelModal> {
-            let active = mode == current_mode;
-            MouseEventHandler::new::<T, _>(0, cx, move |state, _| {
-                let contained_text = theme.tab_button.style_for(active, state);
-                Label::new(text, contained_text.text.clone())
-                    .contained()
-                    .with_style(contained_text.container.clone())
-            })
-            .on_click(MouseButton::Left, move |_, this, cx| {
-                if !active {
-                    this.set_mode(mode, cx);
-                }
-            })
-            .with_cursor_style(CursorStyle::PointingHand)
-            .into_any()
-        }
-
-        Flex::column()
-            .with_child(
-                Flex::column()
-                    .with_child(
-                        Label::new(format!("#{}", channel.name), theme.title.text.clone())
-                            .contained()
-                            .with_style(theme.title.container.clone()),
-                    )
-                    .with_child(Flex::row().with_children([
-                        render_mode_button::<InviteMembers>(
-                            Mode::InviteMembers,
-                            "Invite members",
-                            mode,
-                            theme,
-                            cx,
-                        ),
-                        render_mode_button::<ManageMembers>(
-                            Mode::ManageMembers,
-                            "Manage members",
-                            mode,
-                            theme,
-                            cx,
-                        ),
-                    ]))
-                    .expanded()
-                    .contained()
-                    .with_style(theme.header),
-            )
-            .with_child(
-                ChildView::new(&self.picker, cx)
-                    .contained()
-                    .with_style(theme.body),
-            )
-            .constrained()
-            .with_max_height(theme.max_height)
-            .with_max_width(theme.max_width)
-            .contained()
-            .with_style(theme.modal)
-            .into_any()
-    }
-
-    fn focus_in(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
-        self.has_focus = true;
-        if cx.is_self_focused() {
-            cx.focus(&self.picker)
-        }
-    }
-
-    fn focus_out(&mut self, _: gpui::AnyViewHandle, _: &mut ViewContext<Self>) {
-        self.has_focus = false;
-    }
-}
-
-impl Modal for ChannelModal {
-    fn has_focus(&self) -> bool {
-        self.has_focus
-    }
-
-    fn dismiss_on_event(event: &Self::Event) -> bool {
-        match event {
-            PickerEvent::Dismiss => true,
-        }
-    }
-}
-
-#[derive(Copy, Clone, PartialEq)]
-pub enum Mode {
-    ManageMembers,
-    InviteMembers,
-}
-
-pub struct ChannelModalDelegate {
-    matching_users: Vec<Arc<User>>,
-    matching_member_indices: Vec<usize>,
-    user_store: ModelHandle<UserStore>,
-    channel_store: ModelHandle<ChannelStore>,
-    channel_id: ChannelId,
-    selected_index: usize,
-    mode: Mode,
-    match_candidates: Vec<StringMatchCandidate>,
-    members: Vec<ChannelMembership>,
-    context_menu: ViewHandle<ContextMenu>,
-}
-
-impl PickerDelegate for ChannelModalDelegate {
-    fn placeholder_text(&self) -> Arc<str> {
-        "Search collaborator by username...".into()
-    }
-
-    fn match_count(&self) -> usize {
-        match self.mode {
-            Mode::ManageMembers => self.matching_member_indices.len(),
-            Mode::InviteMembers => self.matching_users.len(),
-        }
-    }
-
-    fn selected_index(&self) -> usize {
-        self.selected_index
-    }
-
-    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<Picker<Self>>) -> Task<()> {
-        match self.mode {
-            Mode::ManageMembers => {
-                self.match_candidates.clear();
-                self.match_candidates
-                    .extend(self.members.iter().enumerate().map(|(id, member)| {
-                        StringMatchCandidate {
-                            id,
-                            string: member.user.github_login.clone(),
-                            char_bag: member.user.github_login.chars().collect(),
-                        }
-                    }));
-
-                let matches = cx.background().block(match_strings(
-                    &self.match_candidates,
-                    &query,
-                    true,
-                    usize::MAX,
-                    &Default::default(),
-                    cx.background().clone(),
-                ));
-
-                cx.spawn(|picker, mut cx| async move {
-                    picker
-                        .update(&mut cx, |picker, cx| {
-                            let delegate = picker.delegate_mut();
-                            delegate.matching_member_indices.clear();
-                            delegate
-                                .matching_member_indices
-                                .extend(matches.into_iter().map(|m| m.candidate_id));
-                            cx.notify();
-                        })
-                        .ok();
-                })
-            }
-            Mode::InviteMembers => {
-                let search_users = self
-                    .user_store
-                    .update(cx, |store, cx| store.fuzzy_search_users(query, cx));
-                cx.spawn(|picker, mut cx| async move {
-                    async {
-                        let users = search_users.await?;
-                        picker.update(&mut cx, |picker, cx| {
-                            let delegate = picker.delegate_mut();
-                            delegate.matching_users = users;
-                            cx.notify();
-                        })?;
-                        anyhow::Ok(())
-                    }
-                    .log_err()
-                    .await;
-                })
-            }
-        }
-    }
-
-    fn confirm(&mut self, _: bool, cx: &mut ViewContext<Picker<Self>>) {
-        if let Some((selected_user, admin)) = self.user_at_index(self.selected_index) {
-            match self.mode {
-                Mode::ManageMembers => self.show_context_menu(admin.unwrap_or(false), cx),
-                Mode::InviteMembers => match self.member_status(selected_user.id, cx) {
-                    Some(proto::channel_member::Kind::Invitee) => {
-                        self.remove_selected_member(cx);
-                    }
-                    Some(proto::channel_member::Kind::AncestorMember) | None => {
-                        self.invite_member(selected_user, cx)
-                    }
-                    Some(proto::channel_member::Kind::Member) => {}
-                },
-            }
-        }
-    }
-
-    fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
-        cx.emit(PickerEvent::Dismiss);
-    }
-
-    fn render_match(
-        &self,
-        ix: usize,
-        mouse_state: &mut MouseState,
-        selected: bool,
-        cx: &gpui::AppContext,
-    ) -> AnyElement<Picker<Self>> {
-        let full_theme = &theme::current(cx);
-        let theme = &full_theme.collab_panel.channel_modal;
-        let tabbed_modal = &full_theme.collab_panel.tabbed_modal;
-        let (user, admin) = self.user_at_index(ix).unwrap();
-        let request_status = self.member_status(user.id, cx);
-
-        let style = tabbed_modal
-            .picker
-            .item
-            .in_state(selected)
-            .style_for(mouse_state);
-
-        let in_manage = matches!(self.mode, Mode::ManageMembers);
-
-        let mut result = Flex::row()
-            .with_children(user.avatar.clone().map(|avatar| {
-                Image::from_data(avatar)
-                    .with_style(theme.contact_avatar)
-                    .aligned()
-                    .left()
-            }))
-            .with_child(
-                Label::new(user.github_login.clone(), style.label.clone())
-                    .contained()
-                    .with_style(theme.contact_username)
-                    .aligned()
-                    .left(),
-            )
-            .with_children({
-                (in_manage && request_status == Some(proto::channel_member::Kind::Invitee)).then(
-                    || {
-                        Label::new("Invited", theme.member_tag.text.clone())
-                            .contained()
-                            .with_style(theme.member_tag.container)
-                            .aligned()
-                            .left()
-                    },
-                )
-            })
-            .with_children(admin.and_then(|admin| {
-                (in_manage && admin).then(|| {
-                    Label::new("Admin", theme.member_tag.text.clone())
-                        .contained()
-                        .with_style(theme.member_tag.container)
-                        .aligned()
-                        .left()
-                })
-            }))
-            .with_children({
-                let svg = match self.mode {
-                    Mode::ManageMembers => Some(
-                        Svg::new("icons/ellipsis.svg")
-                            .with_color(theme.member_icon.color)
-                            .constrained()
-                            .with_width(theme.member_icon.icon_width)
-                            .aligned()
-                            .constrained()
-                            .with_width(theme.member_icon.button_width)
-                            .with_height(theme.member_icon.button_width)
-                            .contained()
-                            .with_style(theme.member_icon.container),
-                    ),
-                    Mode::InviteMembers => match request_status {
-                        Some(proto::channel_member::Kind::Member) => Some(
-                            Svg::new("icons/check.svg")
-                                .with_color(theme.member_icon.color)
-                                .constrained()
-                                .with_width(theme.member_icon.icon_width)
-                                .aligned()
-                                .constrained()
-                                .with_width(theme.member_icon.button_width)
-                                .with_height(theme.member_icon.button_width)
-                                .contained()
-                                .with_style(theme.member_icon.container),
-                        ),
-                        Some(proto::channel_member::Kind::Invitee) => Some(
-                            Svg::new("icons/check.svg")
-                                .with_color(theme.invitee_icon.color)
-                                .constrained()
-                                .with_width(theme.invitee_icon.icon_width)
-                                .aligned()
-                                .constrained()
-                                .with_width(theme.invitee_icon.button_width)
-                                .with_height(theme.invitee_icon.button_width)
-                                .contained()
-                                .with_style(theme.invitee_icon.container),
-                        ),
-                        Some(proto::channel_member::Kind::AncestorMember) | None => None,
-                    },
-                };
-
-                svg.map(|svg| svg.aligned().flex_float().into_any())
-            })
-            .contained()
-            .with_style(style.container)
-            .constrained()
-            .with_height(tabbed_modal.row_height)
-            .into_any();
-
-        if selected {
-            result = Stack::new()
-                .with_child(result)
-                .with_child(
-                    ChildView::new(&self.context_menu, cx)
-                        .aligned()
-                        .top()
-                        .right(),
-                )
-                .into_any();
-        }
-
-        result
-    }
-}
-
-impl ChannelModalDelegate {
-    fn member_status(
-        &self,
-        user_id: UserId,
-        cx: &AppContext,
-    ) -> Option<proto::channel_member::Kind> {
-        self.members
-            .iter()
-            .find_map(|membership| (membership.user.id == user_id).then_some(membership.kind))
-            .or_else(|| {
-                self.channel_store
-                    .read(cx)
-                    .has_pending_channel_invite(self.channel_id, user_id)
-                    .then_some(proto::channel_member::Kind::Invitee)
-            })
-    }
-
-    fn user_at_index(&self, ix: usize) -> Option<(Arc<User>, Option<bool>)> {
-        match self.mode {
-            Mode::ManageMembers => self.matching_member_indices.get(ix).and_then(|ix| {
-                let channel_membership = self.members.get(*ix)?;
-                Some((
-                    channel_membership.user.clone(),
-                    Some(channel_membership.admin),
-                ))
-            }),
-            Mode::InviteMembers => Some((self.matching_users.get(ix).cloned()?, None)),
-        }
-    }
-
-    fn toggle_selected_member_admin(&mut self, cx: &mut ViewContext<Picker<Self>>) -> Option<()> {
-        let (user, admin) = self.user_at_index(self.selected_index)?;
-        let admin = !admin.unwrap_or(false);
-        let update = self.channel_store.update(cx, |store, cx| {
-            store.set_member_admin(self.channel_id, user.id, admin, cx)
-        });
-        cx.spawn(|picker, mut cx| async move {
-            update.await?;
-            picker.update(&mut cx, |picker, cx| {
-                let this = picker.delegate_mut();
-                if let Some(member) = this.members.iter_mut().find(|m| m.user.id == user.id) {
-                    member.admin = admin;
-                }
-                cx.focus_self();
-                cx.notify();
-            })
-        })
-        .detach_and_log_err(cx);
-        Some(())
-    }
-
-    fn remove_selected_member(&mut self, cx: &mut ViewContext<Picker<Self>>) -> Option<()> {
-        let (user, _) = self.user_at_index(self.selected_index)?;
-        let user_id = user.id;
-        let update = self.channel_store.update(cx, |store, cx| {
-            store.remove_member(self.channel_id, user_id, cx)
-        });
-        cx.spawn(|picker, mut cx| async move {
-            update.await?;
-            picker.update(&mut cx, |picker, cx| {
-                let this = picker.delegate_mut();
-                if let Some(ix) = this.members.iter_mut().position(|m| m.user.id == user_id) {
-                    this.members.remove(ix);
-                    this.matching_member_indices.retain_mut(|member_ix| {
-                        if *member_ix == ix {
-                            return false;
-                        } else if *member_ix > ix {
-                            *member_ix -= 1;
-                        }
-                        true
-                    })
-                }
-
-                this.selected_index = this
-                    .selected_index
-                    .min(this.matching_member_indices.len().saturating_sub(1));
-
-                cx.focus_self();
-                cx.notify();
-            })
-        })
-        .detach_and_log_err(cx);
-        Some(())
-    }
-
-    fn invite_member(&mut self, user: Arc<User>, cx: &mut ViewContext<Picker<Self>>) {
-        let invite_member = self.channel_store.update(cx, |store, cx| {
-            store.invite_member(self.channel_id, user.id, false, cx)
-        });
-
-        cx.spawn(|this, mut cx| async move {
-            invite_member.await?;
-
-            this.update(&mut cx, |this, cx| {
-                this.delegate_mut().members.push(ChannelMembership {
-                    user,
-                    kind: proto::channel_member::Kind::Invitee,
-                    admin: false,
-                });
-                cx.notify();
-            })
-        })
-        .detach_and_log_err(cx);
-    }
-
-    fn show_context_menu(&mut self, user_is_admin: bool, cx: &mut ViewContext<Picker<Self>>) {
-        self.context_menu.update(cx, |context_menu, cx| {
-            context_menu.show(
-                Default::default(),
-                AnchorCorner::TopRight,
-                vec![
-                    ContextMenuItem::action("Remove", RemoveMember),
-                    ContextMenuItem::action(
-                        if user_is_admin {
-                            "Make non-admin"
-                        } else {
-                            "Make admin"
-                        },
-                        ToggleMemberAdmin,
-                    ),
-                ],
-                cx,
-            )
-        })
-    }
-}
--- a/crates/collab_ui/src/collab_panel/panel_settings.rs
+++ b/crates/collab_ui/src/collab_panel/panel_settings.rs
@@ -1,39 +0,0 @@
-use anyhow;
-use schemars::JsonSchema;
-use serde_derive::{Deserialize, Serialize};
-use settings::Setting;
-
-#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
-#[serde(rename_all = "snake_case")]
-pub enum CollaborationPanelDockPosition {
-    Left,
-    Right,
-}
-
-#[derive(Deserialize, Debug)]
-pub struct CollaborationPanelSettings {
-    pub button: bool,
-    pub dock: CollaborationPanelDockPosition,
-    pub default_width: f32,
-}
-
-#[derive(Clone, Default, Serialize, Deserialize, JsonSchema, Debug)]
-pub struct CollaborationPanelSettingsContent {
-    pub button: Option<bool>,
-    pub dock: Option<CollaborationPanelDockPosition>,
-    pub default_width: Option<f32>,
-}
-
-impl Setting for CollaborationPanelSettings {
-    const KEY: Option<&'static str> = Some("collaboration_panel");
-
-    type FileContent = CollaborationPanelSettingsContent;
-
-    fn load(
-        default_value: &Self::FileContent,
-        user_values: &[&Self::FileContent],
-        _: &gpui::AppContext,
-    ) -> anyhow::Result<Self> {
-        Self::load_via_json_merge(default_value, user_values)
-    }
-}
--- a/crates/collab_ui/src/collab_titlebar_item.rs
+++ b/crates/collab_ui/src/collab_titlebar_item.rs
@@ -1,10 +1,12 @@
 use crate::{
-    contact_notification::ContactNotification, face_pile::FacePile, toggle_deafen, toggle_mute,
-    toggle_screen_sharing, LeaveCall, ToggleDeafen, ToggleMute, ToggleScreenSharing,
+    contact_notification::ContactNotification, contacts_popover, face_pile::FacePile,
+    toggle_deafen, toggle_mute, toggle_screen_sharing, LeaveCall, ToggleDeafen, ToggleMute,
+    ToggleScreenSharing,
 };
 use call::{ActiveCall, ParticipantLocation, Room};
 use client::{proto::PeerId, Client, ContactEventKind, SignIn, SignOut, User, UserStore};
 use clock::ReplicaId;
+use contacts_popover::ContactsPopover;
 use context_menu::{ContextMenu, ContextMenuItem};
 use gpui::{
    actions,
@@ -13,8 +15,8 @@ use gpui::{
    geometry::{rect::RectF, vector::vec2f, PathBuilder},
    json::{self, ToJson},
    platform::{CursorStyle, MouseButton},
-    AppContext, Entity, ImageData, LayoutContext, ModelHandle, PaintContext, SceneBuilder,
-    Subscription, View, ViewContext, ViewHandle, WeakViewHandle,
+    AppContext, Entity, ImageData, LayoutContext, ModelHandle, SceneBuilder, Subscription, View,
+    ViewContext, ViewHandle, WeakViewHandle,
 };
 use picker::PickerEvent;
 use project::{Project, RepositoryEntry};
@@ -31,6 +33,7 @@ const MAX_BRANCH_NAME_LENGTH: usize = 40;
 actions!(
    collab,
    [
+        ToggleContactsMenu,
        ToggleUserMenu,
        ToggleProjectMenu,
        SwitchBranch,
@@ -40,6 +43,7 @@ actions!(
 );

 pub fn init(cx: &mut AppContext) {
+    cx.add_action(CollabTitlebarItem::toggle_contacts_popover);
    cx.add_action(CollabTitlebarItem::share_project);
    cx.add_action(CollabTitlebarItem::unshare_project);
    cx.add_action(CollabTitlebarItem::toggle_user_menu);
@@ -52,6 +56,7 @@ pub struct CollabTitlebarItem {
    user_store: ModelHandle<UserStore>,
    client: Arc<Client>,
    workspace: WeakViewHandle<Workspace>,
+    contacts_popover: Option<ViewHandle<ContactsPopover>>,
    branch_popover: Option<ViewHandle<BranchList>>,
    project_popover: Option<ViewHandle<recent_projects::RecentProjects>>,
    user_menu: ViewHandle<ContextMenu>,
@@ -90,7 +95,7 @@ impl View for CollabTitlebarItem {
            right_container
                .add_children(self.render_in_call_share_unshare_button(&workspace, &theme, cx));
            right_container.add_child(self.render_leave_call(&theme, cx));
-            let muted = room.read(cx).is_muted(cx);
+            let muted = room.read(cx).is_muted();
            let speaking = room.read(cx).is_speaking();
            left_container.add_child(
                self.render_current_user(&workspace, &theme, &user, peer_id, muted, speaking, cx),
@@ -104,6 +109,7 @@ impl View for CollabTitlebarItem {
        let status = workspace.read(cx).client().status();
        let status = &*status.borrow();
        if matches!(status, client::Status::Connected { .. }) {
+            right_container.add_child(self.render_toggle_contacts_button(&theme, cx));
            let avatar = user.as_ref().and_then(|user| user.avatar.clone());
            right_container.add_child(self.render_user_menu_button(&theme, avatar, cx));
        } else {
@@ -178,6 +184,7 @@ impl CollabTitlebarItem {
            project,
            user_store,
            client,
+            contacts_popover: None,
            user_menu: cx.add_view(|cx| {
                let view_id = cx.view_id();
                let mut menu = ContextMenu::new(view_id, cx);
@@ -219,7 +226,7 @@ impl CollabTitlebarItem {
        let mut ret = Flex::row().with_child(
            Stack::new()
                .with_child(
-                    MouseEventHandler::new::<ToggleProjectMenu, _>(0, cx, |mouse_state, cx| {
+                    MouseEventHandler::<ToggleProjectMenu, Self>::new(0, cx, |mouse_state, cx| {
                        let style = project_style
                            .in_state(self.project_popover.is_some())
                            .style_for(mouse_state);
@@ -231,7 +238,7 @@ impl CollabTitlebarItem {
                            .left()
                            .with_tooltip::<RecentProjectsTooltip>(
                                0,
-                                "Recent projects",
+                                "Recent projects".into(),
                                Some(Box::new(recent_projects::OpenRecent)),
                                theme.tooltip.clone(),
                                cx,
@@ -259,7 +266,7 @@ impl CollabTitlebarItem {
                    .with_child(
                        Stack::new()
                            .with_child(
-                                MouseEventHandler::new::<ToggleVcsMenu, _>(
+                                MouseEventHandler::<ToggleVcsMenu, Self>::new(
                                    0,
                                    cx,
                                    |mouse_state, cx| {
@@ -275,7 +282,7 @@ impl CollabTitlebarItem {
                                            .left()
                                            .with_tooltip::<BranchPopoverTooltip>(
                                                0,
-                                                "Recent branches",
+                                                "Recent branches".into(),
                                                Some(Box::new(ToggleVcsMenu)),
                                                theme.tooltip.clone(),
                                                cx,
@@ -308,6 +315,9 @@ impl CollabTitlebarItem {
    }

    fn active_call_changed(&mut self, cx: &mut ViewContext<Self>) {
+        if ActiveCall::global(cx).read(cx).room().is_none() {
+            self.contacts_popover = None;
+        }
        cx.notify();
    }

@@ -327,6 +337,32 @@ impl CollabTitlebarItem {
            .log_err();
    }

+    pub fn toggle_contacts_popover(&mut self, _: &ToggleContactsMenu, cx: &mut ViewContext<Self>) {
+        if self.contacts_popover.take().is_none() {
+            let view = cx.add_view(|cx| {
+                ContactsPopover::new(
+                    self.project.clone(),
+                    self.user_store.clone(),
+                    self.workspace.clone(),
+                    cx,
+                )
+            });
+            cx.subscribe(&view, |this, _, event, cx| {
+                match event {
+                    contacts_popover::Event::Dismissed => {
+                        this.contacts_popover = None;
+                    }
+                }
+
+                cx.notify();
+            })
+            .detach();
+            self.contacts_popover = Some(view);
+        }
+
+        cx.notify();
+    }
+
    pub fn toggle_user_menu(&mut self, _: &ToggleUserMenu, cx: &mut ViewContext<Self>) {
        self.user_menu.update(cx, |user_menu, cx| {
            let items = if let Some(_) = self.user_store.read(cx).current_user() {
@@ -354,7 +390,6 @@ impl CollabTitlebarItem {
            user_menu.toggle(Default::default(), AnchorCorner::TopRight, items, cx);
        });
    }
-
    fn render_branches_popover_host<'a>(
        &'a self,
        _theme: &'a theme::Titlebar,
@@ -363,13 +398,13 @@ impl CollabTitlebarItem {
        self.branch_popover.as_ref().map(|child| {
            let theme = theme::current(cx).clone();
            let child = ChildView::new(child, cx);
-            let child = MouseEventHandler::new::<BranchList, _>(0, cx, |_, _| {
+            let child = MouseEventHandler::<BranchList, Self>::new(0, cx, |_, _| {
                child
                    .flex(1., true)
                    .contained()
                    .constrained()
-                    .with_width(theme.titlebar.menu.width)
-                    .with_height(theme.titlebar.menu.height)
+                    .with_width(theme.contacts_popover.width)
+                    .with_height(theme.contacts_popover.height)
            })
            .on_click(MouseButton::Left, |_, _, _| {})
            .on_down_out(MouseButton::Left, move |_, this, cx| {
@@ -390,7 +425,6 @@ impl CollabTitlebarItem {
                .into_any()
        })
    }
-
    fn render_project_popover_host<'a>(
        &'a self,
        _theme: &'a theme::Titlebar,
@@ -399,13 +433,13 @@ impl CollabTitlebarItem {
        self.project_popover.as_ref().map(|child| {
            let theme = theme::current(cx).clone();
            let child = ChildView::new(child, cx);
-            let child = MouseEventHandler::new::<RecentProjects, _>(0, cx, |_, _| {
+            let child = MouseEventHandler::<RecentProjects, Self>::new(0, cx, |_, _| {
                child
                    .flex(1., true)
                    .contained()
                    .constrained()
-                    .with_width(theme.titlebar.menu.width)
-                    .with_height(theme.titlebar.menu.height)
+                    .with_width(theme.contacts_popover.width)
+                    .with_height(theme.contacts_popover.height)
            })
            .on_click(MouseButton::Left, |_, _, _| {})
            .on_down_out(MouseButton::Left, move |_, this, cx| {
@@ -425,7 +459,6 @@ impl CollabTitlebarItem {
                .into_any()
        })
    }
-
    pub fn toggle_vcs_menu(&mut self, _: &ToggleVcsMenu, cx: &mut ViewContext<Self>) {
        if self.branch_popover.take().is_none() {
            if let Some(workspace) = self.workspace.upgrade(cx) {
@@ -486,7 +519,79 @@ impl CollabTitlebarItem {
        }
        cx.notify();
    }
+    fn render_toggle_contacts_button(
+        &self,
+        theme: &Theme,
+        cx: &mut ViewContext<Self>,
+    ) -> AnyElement<Self> {
+        let titlebar = &theme.titlebar;

+        let badge = if self
+            .user_store
+            .read(cx)
+            .incoming_contact_requests()
+            .is_empty()
+        {
+            None
+        } else {
+            Some(
+                Empty::new()
+                    .collapsed()
+                    .contained()
+                    .with_style(titlebar.toggle_contacts_badge)
+                    .contained()
+                    .with_margin_left(
+                        titlebar
+                            .toggle_contacts_button
+                            .inactive_state()
+                            .default
+                            .icon_width,
+                    )
+                    .with_margin_top(
+                        titlebar
+                            .toggle_contacts_button
+                            .inactive_state()
+                            .default
+                            .icon_width,
+                    )
+                    .aligned(),
+            )
+        };
+
+        Stack::new()
+            .with_child(
+                MouseEventHandler::<ToggleContactsMenu, Self>::new(0, cx, |state, _| {
+                    let style = titlebar
+                        .toggle_contacts_button
+                        .in_state(self.contacts_popover.is_some())
+                        .style_for(state);
+                    Svg::new("icons/radix/person.svg")
+                        .with_color(style.color)
+                        .constrained()
+                        .with_width(style.icon_width)
+                        .aligned()
+                        .constrained()
+                        .with_width(style.button_width)
+                        .with_height(style.button_width)
+                        .contained()
+                        .with_style(style.container)
+                })
+                .with_cursor_style(CursorStyle::PointingHand)
+                .on_click(MouseButton::Left, move |_, this, cx| {
+                    this.toggle_contacts_popover(&Default::default(), cx)
+                })
+                .with_tooltip::<ToggleContactsMenu>(
+                    0,
+                    "Show contacts menu".into(),
+                    Some(Box::new(ToggleContactsMenu)),
+                    theme.tooltip.clone(),
+                    cx,
+                ),
+            )
+            .with_children(badge)
+            .with_children(self.render_contacts_popover_host(titlebar, cx))
+            .into_any()
+    }
    fn render_toggle_screen_sharing_button(
        &self,
        theme: &Theme,
@@ -505,7 +610,7 @@ impl CollabTitlebarItem {

        let active = room.read(cx).is_screen_sharing();
        let titlebar = &theme.titlebar;
-        MouseEventHandler::new::<ToggleScreenSharing, _>(0, cx, |state, _| {
+        MouseEventHandler::<ToggleScreenSharing, Self>::new(0, cx, |state, _| {
            let style = titlebar
                .screen_share_button
                .in_state(active)
@@ -528,7 +633,7 @@ impl CollabTitlebarItem {
        })
        .with_tooltip::<ToggleScreenSharing>(
            0,
-            tooltip,
+            tooltip.into(),
            Some(Box::new(ToggleScreenSharing)),
            theme.tooltip.clone(),
            cx,
@@ -544,7 +649,7 @@ impl CollabTitlebarItem {
    ) -> AnyElement<Self> {
        let icon;
        let tooltip;
-        let is_muted = room.read(cx).is_muted(cx);
+        let is_muted = room.read(cx).is_muted();
        if is_muted {
            icon = "icons/radix/mic-mute.svg";
            tooltip = "Unmute microphone";
@@ -554,7 +659,7 @@ impl CollabTitlebarItem {
        }

        let titlebar = &theme.titlebar;
-        MouseEventHandler::new::<ToggleMute, _>(0, cx, |state, _| {
+        MouseEventHandler::<ToggleMute, Self>::new(0, cx, |state, _| {
            let style = titlebar
                .toggle_microphone_button
                .in_state(is_muted)
@@ -581,7 +686,7 @@ impl CollabTitlebarItem {
        })
        .with_tooltip::<ToggleMute>(
            0,
-            tooltip,
+            tooltip.into(),
            Some(Box::new(ToggleMute)),
            theme.tooltip.clone(),
            cx,
@@ -607,7 +712,7 @@ impl CollabTitlebarItem {
        }

        let titlebar = &theme.titlebar;
-        MouseEventHandler::new::<ToggleDeafen, _>(0, cx, |state, _| {
+        MouseEventHandler::<ToggleDeafen, Self>::new(0, cx, |state, _| {
            let style = titlebar
                .toggle_speakers_button
                .in_state(is_deafened)
@@ -629,7 +734,7 @@ impl CollabTitlebarItem {
        })
        .with_tooltip::<ToggleDeafen>(
            0,
-            tooltip,
+            tooltip.into(),
            Some(Box::new(ToggleDeafen)),
            theme.tooltip.clone(),
            cx,
@@ -642,7 +747,7 @@ impl CollabTitlebarItem {
        let tooltip = "Leave call";

        let titlebar = &theme.titlebar;
-        MouseEventHandler::new::<LeaveCall, _>(0, cx, |state, _| {
+        MouseEventHandler::<LeaveCall, Self>::new(0, cx, |state, _| {
            let style = titlebar.leave_call_button.style_for(state);
            Svg::new(icon)
                .with_color(style.color)
@@ -663,7 +768,7 @@ impl CollabTitlebarItem {
        })
        .with_tooltip::<LeaveCall>(
            0,
-            tooltip,
+            tooltip.into(),
            Some(Box::new(LeaveCall)),
            theme.tooltip.clone(),
            cx,
@@ -696,7 +801,7 @@ impl CollabTitlebarItem {
        Some(
            Stack::new()
                .with_child(
-                    MouseEventHandler::new::<ShareUnshare, _>(0, cx, |state, _| {
+                    MouseEventHandler::<ShareUnshare, Self>::new(0, cx, |state, _| {
                        //TODO: Ensure this button has consistent width for both text variations
                        let style = titlebar.share_button.inactive_state().style_for(state);
                        Label::new(label, style.text.clone())
@@ -742,7 +847,7 @@ impl CollabTitlebarItem {
        let avatar_style = &user_menu_button_style.avatar;
        Stack::new()
            .with_child(
-                MouseEventHandler::new::<ToggleUserMenu, _>(0, cx, |state, _| {
+                MouseEventHandler::<ToggleUserMenu, Self>::new(0, cx, |state, _| {
                    let style = user_menu_button_style
                        .user_menu
                        .inactive_state()
@@ -802,7 +907,7 @@ impl CollabTitlebarItem {

    fn render_sign_in_button(&self, theme: &Theme, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
        let titlebar = &theme.titlebar;
-        MouseEventHandler::new::<SignIn, _>(0, cx, |state, _| {
+        MouseEventHandler::<SignIn, Self>::new(0, cx, |state, _| {
            let style = titlebar.sign_in_button.inactive_state().style_for(state);
            Label::new("Sign In", style.text.clone())
                .contained()
@@ -818,6 +923,23 @@ impl CollabTitlebarItem {
        .into_any()
    }

+    fn render_contacts_popover_host<'a>(
+        &'a self,
+        _theme: &'a theme::Titlebar,
+        cx: &'a ViewContext<Self>,
+    ) -> Option<AnyElement<Self>> {
+        self.contacts_popover.as_ref().map(|popover| {
+            Overlay::new(ChildView::new(popover, cx))
+                .with_fit_mode(OverlayFitMode::SwitchAnchor)
+                .with_anchor_corner(AnchorCorner::TopLeft)
+                .with_z_index(999)
+                .aligned()
+                .bottom()
+                .right()
+                .into_any()
+        })
+    }
+
    fn render_collaborators(
        &self,
        workspace: &ViewHandle<Workspace>,
@@ -1020,7 +1142,7 @@ impl CollabTitlebarItem {
            if let Some(replica_id) = replica_id {
                enum ToggleFollow {}

-                content = MouseEventHandler::new::<ToggleFollow, _>(
+                content = MouseEventHandler::<ToggleFollow, Self>::new(
                    replica_id.into(),
                    cx,
                    move |_, _| content,
@@ -1051,7 +1173,7 @@ impl CollabTitlebarItem {
                enum JoinProject {}

                let user_id = user.id;
-                content = MouseEventHandler::new::<JoinProject, _>(
+                content = MouseEventHandler::<JoinProject, Self>::new(
                    peer_id.as_u64() as usize,
                    cx,
                    move |_, _| content,
@@ -1139,7 +1261,7 @@ impl CollabTitlebarItem {
                    .into_any(),
            ),
            client::Status::UpgradeRequired => Some(
-                MouseEventHandler::new::<ConnectionStatusButton, _>(0, cx, |_, _| {
+                MouseEventHandler::<ConnectionStatusButton, Self>::new(0, cx, |_, _| {
                    Label::new(
                        "Please update Zed to collaborate",
                        theme.titlebar.outdated_warning.text.clone(),
@@ -1190,7 +1312,7 @@ impl Element<CollabTitlebarItem> for AvatarRibbon {
        _: RectF,
        _: &mut Self::LayoutState,
        _: &mut CollabTitlebarItem,
-        _: &mut PaintContext<CollabTitlebarItem>,
+        _: &mut ViewContext<CollabTitlebarItem>,
    ) -> Self::PaintState {
        let mut path = PathBuilder::new();
        path.reset(bounds.lower_left());
--- a/crates/collab_ui/src/collab_ui.rs
+++ b/crates/collab_ui/src/collab_ui.rs
@@ -1,6 +1,8 @@
-pub mod collab_panel;
 mod collab_titlebar_item;
+mod contact_finder;
+mod contact_list;
 mod contact_notification;
+mod contacts_popover;
 mod face_pile;
 mod incoming_call_notification;
 mod notifications;
@@ -8,7 +10,7 @@ mod project_shared_notification;
 mod sharing_status_indicator;

 use call::{ActiveCall, Room};
-pub use collab_titlebar_item::CollabTitlebarItem;
+pub use collab_titlebar_item::{CollabTitlebarItem, ToggleContactsMenu};
 use gpui::{actions, AppContext, Task};
 use std::sync::Arc;
 use util::ResultExt;
@@ -22,7 +24,9 @@ actions!(
 pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
    vcs_menu::init(cx);
    collab_titlebar_item::init(cx);
-    collab_panel::init(app_state.client.clone(), cx);
+    contact_list::init(cx);
+    contact_finder::init(cx);
+    contacts_popover::init(cx);
    incoming_call_notification::init(&app_state, cx);
    project_shared_notification::init(&app_state, cx);
    sharing_status_indicator::init(cx);
@@ -64,7 +68,7 @@ pub fn toggle_mute(_: &ToggleMute, cx: &mut AppContext) {
    if let Some(room) = call.room().cloned() {
        let client = call.client();
        room.update(cx, |room, cx| {
-            if room.is_muted(cx) {
+            if room.is_muted() {
                ActiveCall::report_call_event_for_room("enable microphone", room.id(), &client, cx);
            } else {
                ActiveCall::report_call_event_for_room(
--- a/crates/collab_ui/src/collab_panel/contact_finder.rs
+++ b/crates/collab_ui/src/collab_panel/contact_finder.rs
@@ -1,132 +1,28 @@
 use client::{ContactRequestStatus, User, UserStore};
-use gpui::{
-    elements::*, AppContext, Entity, ModelHandle, MouseState, Task, View, ViewContext, ViewHandle,
-};
+use gpui::{elements::*, AppContext, ModelHandle, MouseState, Task, ViewContext};
 use picker::{Picker, PickerDelegate, PickerEvent};
 use std::sync::Arc;
 use util::TryFutureExt;
-use workspace::Modal;

 pub fn init(cx: &mut AppContext) {
    Picker::<ContactFinderDelegate>::init(cx);
-    cx.add_action(ContactFinder::dismiss)
 }

-pub struct ContactFinder {
-    picker: ViewHandle<Picker<ContactFinderDelegate>>,
-    has_focus: bool,
-}
+pub type ContactFinder = Picker<ContactFinderDelegate>;

-impl ContactFinder {
-    pub fn new(user_store: ModelHandle<UserStore>, cx: &mut ViewContext<Self>) -> Self {
-        let picker = cx.add_view(|cx| {
-            Picker::new(
-                ContactFinderDelegate {
-                    user_store,
-                    potential_contacts: Arc::from([]),
-                    selected_index: 0,
-                },
-                cx,
-            )
-            .with_theme(|theme| theme.collab_panel.tabbed_modal.picker.clone())
-        });
-
-        cx.subscribe(&picker, |_, _, e, cx| cx.emit(*e)).detach();
-
-        Self {
-            picker,
-            has_focus: false,
-        }
-    }
-
-    pub fn set_query(&mut self, query: String, cx: &mut ViewContext<Self>) {
-        self.picker.update(cx, |picker, cx| {
-            picker.set_query(query, cx);
-        });
-    }
-
-    fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
-        cx.emit(PickerEvent::Dismiss);
-    }
-}
-
-impl Entity for ContactFinder {
-    type Event = PickerEvent;
-}
-
-impl View for ContactFinder {
-    fn ui_name() -> &'static str {
-        "ContactFinder"
-    }
-
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
-        let full_theme = &theme::current(cx);
-        let theme = &full_theme.collab_panel.tabbed_modal;
-
-        fn render_mode_button(
-            text: &'static str,
-            theme: &theme::TabbedModal,
-            _cx: &mut ViewContext<ContactFinder>,
-        ) -> AnyElement<ContactFinder> {
-            let contained_text = &theme.tab_button.active_state().default;
-            Label::new(text, contained_text.text.clone())
-                .contained()
-                .with_style(contained_text.container.clone())
-                .into_any()
-        }
-
-        Flex::column()
-            .with_child(
-                Flex::column()
-                    .with_child(
-                        Label::new("Contacts", theme.title.text.clone())
-                            .contained()
-                            .with_style(theme.title.container.clone()),
-                    )
-                    .with_child(Flex::row().with_children([render_mode_button(
-                        "Invite new contacts",
-                        &theme,
-                        cx,
-                    )]))
-                    .expanded()
-                    .contained()
-                    .with_style(theme.header),
-            )
-            .with_child(
-                ChildView::new(&self.picker, cx)
-                    .contained()
-                    .with_style(theme.body),
-            )
-            .constrained()
-            .with_max_height(theme.max_height)
-            .with_max_width(theme.max_width)
-            .contained()
-            .with_style(theme.modal)
-            .into_any()
-    }
-
-    fn focus_in(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
-        self.has_focus = true;
-        if cx.is_self_focused() {
-            cx.focus(&self.picker)
-        }
-    }
-
-    fn focus_out(&mut self, _: gpui::AnyViewHandle, _: &mut ViewContext<Self>) {
-        self.has_focus = false;
-    }
-}
-
-impl Modal for ContactFinder {
-    fn has_focus(&self) -> bool {
-        self.has_focus
-    }
-
-    fn dismiss_on_event(event: &Self::Event) -> bool {
-        match event {
-            PickerEvent::Dismiss => true,
-        }
-    }
+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 {
@@ -201,9 +97,7 @@ impl PickerDelegate for ContactFinderDelegate {
        selected: bool,
        cx: &gpui::AppContext,
    ) -> AnyElement<Picker<Self>> {
-        let full_theme = &theme::current(cx);
-        let theme = &full_theme.collab_panel.contact_finder;
-        let tabbed_modal = &full_theme.collab_panel.tabbed_modal;
+        let theme = &theme::current(cx);
        let user = &self.potential_contacts[ix];
        let request_status = self.user_store.read(cx).contact_request_status(user);

@@ -215,11 +109,12 @@ impl PickerDelegate for ContactFinderDelegate {
            ContactRequestStatus::RequestAccepted => None,
        };
        let button_style = if self.user_store.read(cx).is_contact_request_pending(user) {
-            &theme.disabled_contact_button
+            &theme.contact_finder.disabled_contact_button
        } else {
-            &theme.contact_button
+            &theme.contact_finder.contact_button
        };
-        let style = tabbed_modal
+        let style = theme
+            .contact_finder
            .picker
            .item
            .in_state(selected)
@@ -227,14 +122,14 @@ impl PickerDelegate for ContactFinderDelegate {
        Flex::row()
            .with_children(user.avatar.clone().map(|avatar| {
                Image::from_data(avatar)
-                    .with_style(theme.contact_avatar)
+                    .with_style(theme.contact_finder.contact_avatar)
                    .aligned()
                    .left()
            }))
            .with_child(
                Label::new(user.github_login.clone(), style.label.clone())
                    .contained()
-                    .with_style(theme.contact_username)
+                    .with_style(theme.contact_finder.contact_username)
                    .aligned()
                    .left(),
            )
@@ -255,7 +150,7 @@ impl PickerDelegate for ContactFinderDelegate {
            .contained()
            .with_style(style.container)
            .constrained()
-            .with_height(tabbed_modal.row_height)
+            .with_height(theme.contact_finder.row_height)
            .into_any()
    }
 }
--- a/crates/collab_ui/src/contact_list.rs
+++ b/crates/collab_ui/src/contact_list.rs
--- a/crates/collab_ui/src/contacts_popover.rs
+++ b/crates/collab_ui/src/contacts_popover.rs
@@ -0,0 +1,137 @@
+use crate::{
+    contact_finder::{build_contact_finder, ContactFinder},
+    contact_list::ContactList,
+};
+use client::UserStore;
+use gpui::{
+    actions, elements::*, platform::MouseButton, AppContext, Entity, ModelHandle, View,
+    ViewContext, ViewHandle, WeakViewHandle,
+};
+use picker::PickerEvent;
+use project::Project;
+use workspace::Workspace;
+
+actions!(contacts_popover, [ToggleContactFinder]);
+
+pub fn init(cx: &mut AppContext) {
+    cx.add_action(ContactsPopover::toggle_contact_finder);
+}
+
+pub enum Event {
+    Dismissed,
+}
+
+enum Child {
+    ContactList(ViewHandle<ContactList>),
+    ContactFinder(ViewHandle<ContactFinder>),
+}
+
+pub struct ContactsPopover {
+    child: Child,
+    project: ModelHandle<Project>,
+    user_store: ModelHandle<UserStore>,
+    workspace: WeakViewHandle<Workspace>,
+    _subscription: Option<gpui::Subscription>,
+}
+
+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(), workspace.clone(), cx)
+            })),
+            project,
+            user_store,
+            workspace,
+            _subscription: None,
+        };
+        this.show_contact_list(String::new(), cx);
+        this
+    }
+
+    fn toggle_contact_finder(&mut self, _: &ToggleContactFinder, cx: &mut ViewContext<Self>) {
+        match &self.child {
+            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, 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 {
+            PickerEvent::Dismiss => cx.emit(Event::Dismissed),
+        }));
+        self.child = Child::ContactFinder(child);
+        cx.notify();
+    }
+
+    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, |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();
+    }
+}
+
+impl Entity for ContactsPopover {
+    type Event = Event;
+}
+
+impl View for ContactsPopover {
+    fn ui_name() -> &'static str {
+        "ContactsPopover"
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
+        let theme = theme::current(cx).clone();
+        let child = match &self.child {
+            Child::ContactList(child) => ChildView::new(child, cx),
+            Child::ContactFinder(child) => ChildView::new(child, cx),
+        };
+
+        MouseEventHandler::<ContactsPopover, Self>::new(0, cx, |_, _| {
+            Flex::column()
+                .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)
+        })
+        .on_down_out(MouseButton::Left, move |_, _, cx| cx.emit(Event::Dismissed))
+        .into_any()
+    }
+
+    fn focus_in(&mut self, _: gpui::AnyViewHandle, cx: &mut ViewContext<Self>) {
+        if cx.is_self_focused() {
+            match &self.child {
+                Child::ContactList(child) => cx.focus(child),
+                Child::ContactFinder(child) => cx.focus(child),
+            }
+        }
+    }
+}
--- a/crates/collab_ui/src/face_pile.rs
+++ b/crates/collab_ui/src/face_pile.rs
@@ -7,48 +7,44 @@ use gpui::{
    },
    json::ToJson,
    serde_json::{self, json},
-    AnyElement, Axis, Element, LayoutContext, PaintContext, SceneBuilder, View, ViewContext,
+    AnyElement, Axis, Element, LayoutContext, SceneBuilder, ViewContext,
 };

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

-impl<V: View> FacePile<V> {
-    pub fn new(overlap: f32) -> Self {
-        Self {
+impl FacePile {
+    pub fn new(overlap: f32) -> FacePile {
+        FacePile {
            overlap,
            faces: Vec::new(),
        }
    }
 }

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

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

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

-        (
-            Vector2F::new(width, max_height.clamp(1., constraint.max.y())),
-            (),
-        )
+        (Vector2F::new(width, constraint.max.y()), ())
    }

    fn paint(
@@ -57,8 +53,8 @@ impl<V: View> Element<V> for FacePile<V> {
        bounds: RectF,
        visible_bounds: RectF,
        _layout: &mut Self::LayoutState,
-        view: &mut V,
-        cx: &mut PaintContext<V>,
+        view: &mut CollabTitlebarItem,
+        cx: &mut ViewContext<CollabTitlebarItem>,
    ) -> Self::PaintState {
        let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();

@@ -68,7 +64,6 @@ impl<V: View> Element<V> for FacePile<V> {
        for face in self.faces.iter_mut().rev() {
            let size = face.size();
            origin_x -= size.x();
-            let origin_y = origin_y + (bounds.height() - size.y()) / 2.0;
            scene.paint_layer(None, |scene| {
                face.paint(scene, vec2f(origin_x, origin_y), visible_bounds, view, cx);
            });
@@ -85,8 +80,8 @@ impl<V: View> Element<V> for FacePile<V> {
        _: RectF,
        _: &Self::LayoutState,
        _: &Self::PaintState,
-        _: &V,
-        _: &ViewContext<V>,
+        _: &CollabTitlebarItem,
+        _: &ViewContext<CollabTitlebarItem>,
    ) -> Option<RectF> {
        None
    }
@@ -96,8 +91,8 @@ impl<V: View> Element<V> for FacePile<V> {
        bounds: RectF,
        _: &Self::LayoutState,
        _: &Self::PaintState,
-        _: &V,
-        _: &ViewContext<V>,
+        _: &CollabTitlebarItem,
+        _: &ViewContext<CollabTitlebarItem>,
    ) -> serde_json::Value {
        json!({
            "type": "FacePile",
@@ -106,8 +101,8 @@ impl<V: View> Element<V> for FacePile<V> {
    }
 }

-impl<V: View> Extend<AnyElement<V>> for FacePile<V> {
-    fn extend<T: IntoIterator<Item = AnyElement<V>>>(&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
@@ -7,7 +7,7 @@ use gpui::{
    elements::*,
    geometry::{rect::RectF, vector::vec2f},
    platform::{CursorStyle, MouseButton, WindowBounds, WindowKind, WindowOptions},
-    AnyElement, AppContext, Entity, View, ViewContext, WindowHandle,
+    AnyElement, AppContext, Entity, View, ViewContext,
 };
 use util::ResultExt;
 use workspace::AppState;
@@ -16,10 +16,10 @@ 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<WindowHandle<IncomingCallNotification>> = Vec::new();
+        let mut notification_windows = Vec::new();
        while let Some(incoming_call) = incoming_call.next().await {
-            for window in notification_windows.drain(..) {
-                window.remove(&mut cx);
+            for window_id in notification_windows.drain(..) {
+                cx.remove_window(window_id);
            }

            if let Some(incoming_call) = incoming_call {
@@ -31,7 +31,7 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {

                for screen in cx.platform().screens() {
                    let screen_bounds = screen.bounds();
-                    let window = cx.add_window(
+                    let (window_id, _) = cx.add_window(
                        WindowOptions {
                            bounds: WindowBounds::Fixed(RectF::new(
                                screen_bounds.upper_right()
@@ -49,7 +49,7 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
                        |_| IncomingCallNotification::new(incoming_call.clone(), app_state.clone()),
                    );

-                    notification_windows.push(window);
+                    notification_windows.push(window_id);
                }
            }
        }
@@ -173,7 +173,7 @@ impl IncomingCallNotification {
        let theme = theme::current(cx);
        Flex::column()
            .with_child(
-                MouseEventHandler::new::<Accept, _>(0, cx, |_, _| {
+                MouseEventHandler::<Accept, Self>::new(0, cx, |_, _| {
                    let theme = &theme.incoming_call_notification;
                    Label::new("Accept", theme.accept_button.text.clone())
                        .aligned()
@@ -187,7 +187,7 @@ impl IncomingCallNotification {
                .flex(1., true),
            )
            .with_child(
-                MouseEventHandler::new::<Decline, _>(0, cx, |_, _| {
+                MouseEventHandler::<Decline, Self>::new(0, cx, |_, _| {
                    let theme = &theme.incoming_call_notification;
                    Label::new("Decline", theme.decline_button.text.clone())
                        .aligned()
--- a/crates/collab_ui/src/notifications.rs
+++ b/crates/collab_ui/src/notifications.rs
@@ -52,7 +52,7 @@ where
                    .flex(1., true),
                )
                .with_child(
-                    MouseEventHandler::new::<Dismiss, _>(user.id as usize, cx, |state, _| {
+                    MouseEventHandler::<Dismiss, V>::new(user.id as usize, cx, |state, _| {
                        let style = theme.dismiss_button.style_for(state);
                        Svg::new("icons/x_mark_8.svg")
                            .with_color(style.color)
@@ -92,7 +92,7 @@ where
                Flex::row()
                    .with_children(buttons.into_iter().enumerate().map(
                        |(ix, (message, handler))| {
-                            MouseEventHandler::new::<Button, _>(ix, cx, |state, _| {
+                            MouseEventHandler::<Button, V>::new(ix, cx, |state, _| {
                                let button = theme.button.style_for(state);
                                Label::new(message, button.text.clone())
                                    .contained()
--- a/crates/collab_ui/src/project_shared_notification.rs
+++ b/crates/collab_ui/src/project_shared_notification.rs
@@ -26,7 +26,7 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {

            for screen in cx.platform().screens() {
                let screen_bounds = screen.bounds();
-                let window = cx.add_window(
+                let (window_id, _) = cx.add_window(
                    WindowOptions {
                        bounds: WindowBounds::Fixed(RectF::new(
                            screen_bounds.upper_right() - vec2f(PADDING + window_size.x(), PADDING),
@@ -52,20 +52,20 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut AppContext) {
                notification_windows
                    .entry(*project_id)
                    .or_insert(Vec::new())
-                    .push(window);
+                    .push(window_id);
            }
        }
        room::Event::RemoteProjectUnshared { project_id } => {
-            if let Some(windows) = notification_windows.remove(&project_id) {
-                for window in windows {
-                    window.remove(cx);
+            if let Some(window_ids) = notification_windows.remove(&project_id) {
+                for window_id in window_ids {
+                    cx.update_window(window_id, |cx| cx.remove_window());
                }
            }
        }
        room::Event::Left => {
-            for (_, windows) in notification_windows.drain() {
-                for window in windows {
-                    window.remove(cx);
+            for (_, window_ids) in notification_windows.drain() {
+                for window_id in window_ids {
+                    cx.update_window(window_id, |cx| cx.remove_window());
                }
            }
        }
@@ -170,7 +170,7 @@ impl ProjectSharedNotification {
        let theme = theme::current(cx);
        Flex::column()
            .with_child(
-                MouseEventHandler::new::<Open, _>(0, cx, |_, _| {
+                MouseEventHandler::<Open, Self>::new(0, cx, |_, _| {
                    let theme = &theme.project_shared_notification;
                    Label::new("Open", theme.open_button.text.clone())
                        .aligned()
@@ -182,7 +182,7 @@ impl ProjectSharedNotification {
                .flex(1., true),
            )
            .with_child(
-                MouseEventHandler::new::<Dismiss, _>(0, cx, |_, _| {
+                MouseEventHandler::<Dismiss, Self>::new(0, cx, |_, _| {
                    let theme = &theme.project_shared_notification;
                    Label::new("Dismiss", theme.dismiss_button.text.clone())
                        .aligned()
--- a/crates/collab_ui/src/sharing_status_indicator.rs
+++ b/crates/collab_ui/src/sharing_status_indicator.rs
@@ -20,11 +20,11 @@ pub fn init(cx: &mut AppContext) {
                {
                    status_indicator = Some(cx.add_status_bar_item(|_| SharingStatusIndicator));
                }
-            } else if let Some(window) = status_indicator.take() {
-                window.update(cx, |cx| cx.remove_window());
+            } else if let Some((window_id, _)) = status_indicator.take() {
+                cx.update_window(window_id, |cx| cx.remove_window());
            }
-        } else if let Some(window) = status_indicator.take() {
-            window.update(cx, |cx| cx.remove_window());
+        } else if let Some((window_id, _)) = status_indicator.take() {
+            cx.update_window(window_id, |cx| cx.remove_window());
        }
    })
    .detach();
@@ -47,7 +47,7 @@ impl View for SharingStatusIndicator {
            Appearance::Dark | Appearance::VibrantDark => Color::white(),
        };

-        MouseEventHandler::new::<Self, _>(0, cx, |_, _| {
+        MouseEventHandler::<Self, Self>::new(0, cx, |_, _| {
            Svg::new("icons/disable_screen_sharing_12.svg")
                .with_color(color)
                .constrained()
--- a/crates/command_palette/src/command_palette.rs
+++ b/crates/command_palette/src/command_palette.rs
@@ -1,8 +1,8 @@
 use collections::CommandPaletteFilter;
 use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{
-    actions, anyhow::anyhow, elements::*, keymap_matcher::Keystroke, Action, AnyWindowHandle,
-    AppContext, Element, MouseState, ViewContext,
+    actions, elements::*, keymap_matcher::Keystroke, Action, AppContext, Element, MouseState,
+    ViewContext,
 };
 use picker::{Picker, PickerDelegate, PickerEvent};
 use std::cmp;
@@ -28,7 +28,7 @@ pub struct CommandPaletteDelegate {
 pub enum Event {
    Dismissed,
    Confirmed {
-        window: AnyWindowHandle,
+        window_id: usize,
        focused_view_id: usize,
        action: Box<dyn Action>,
    },
@@ -80,13 +80,12 @@ impl PickerDelegate for CommandPaletteDelegate {
        query: String,
        cx: &mut ViewContext<Picker<Self>>,
    ) -> gpui::Task<()> {
+        let window_id = cx.window_id();
        let view_id = self.focused_view_id;
-        let window = cx.window();
        cx.spawn(move |picker, mut cx| async move {
-            let actions = window
-                .available_actions(view_id, &cx)
+            let actions = cx
+                .available_actions(window_id, view_id)
                .into_iter()
-                .flatten()
                .filter_map(|(name, action, bindings)| {
                    let filtered = cx.read(|cx| {
                        if cx.has_global::<CommandPaletteFilter>() {
@@ -163,15 +162,13 @@ impl PickerDelegate for CommandPaletteDelegate {

    fn confirm(&mut self, _: bool, cx: &mut ViewContext<Picker<Self>>) {
        if !self.matches.is_empty() {
-            let window = cx.window();
+            let window_id = cx.window_id();
            let focused_view_id = self.focused_view_id;
            let action_ix = self.matches[self.selected_ix].candidate_id;
            let action = self.actions.remove(action_ix).action;
            cx.app_context()
                .spawn(move |mut cx| async move {
-                    window
-                        .dispatch_action(focused_view_id, action.as_ref(), &mut cx)
-                        .ok_or_else(|| anyhow!("window was closed"))
+                    cx.dispatch_action(window_id, focused_view_id, action.as_ref())
                })
                .detach_and_log_err(cx);
        }
@@ -298,9 +295,8 @@ mod tests {
        let app_state = init_test(cx);

        let project = Project::test(app_state.fs.clone(), [], cx).await;
-        let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
-        let workspace = window.root(cx);
-        let editor = window.add_view(cx, |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
--- a/crates/context_menu/src/context_menu.rs
+++ b/crates/context_menu/src/context_menu.rs
@@ -1,5 +1,5 @@
 use gpui::{
-    anyhow::{self, anyhow},
+    anyhow,
    elements::*,
    geometry::vector::Vector2F,
    keymap_matcher::KeymapContext,
@@ -218,14 +218,12 @@ impl ContextMenu {
            if let Some(ContextMenuItem::Item { action, .. }) = self.items.get(ix) {
                match action {
                    ContextMenuItemAction::Action(action) => {
-                        let window = cx.window();
+                        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 {
-                                window
-                                    .dispatch_action(view_id, action.as_ref(), &mut cx)
-                                    .ok_or_else(|| anyhow!("window was closed"))
+                                cx.dispatch_action(window_id, view_id, action.as_ref())
                            })
                            .detach_and_log_err(cx);
                    }
@@ -439,14 +437,14 @@ impl ContextMenu {

        let style = theme::current(cx).context_menu.clone();

-        MouseEventHandler::new::<Menu, _>(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.clone();
                            let view_id = self.parent_view_id;
-                            MouseEventHandler::new::<MenuItem, _>(ix, cx, |state, _| {
+                            MouseEventHandler::<MenuItem, ContextMenu>::new(ix, cx, |state, _| {
                                let style = style.item.in_state(self.selected_index == Some(ix));
                                let style = style.style_for(state);
                                let keystroke = match &action {
@@ -482,19 +480,17 @@ impl ContextMenu {
                            .on_down(MouseButton::Left, |_, _, _| {}) // Capture these events
                            .on_click(MouseButton::Left, move |_, menu, cx| {
                                menu.cancel(&Default::default(), cx);
-                                let window = cx.window();
+                                let window_id = cx.window_id();
                                match &action {
                                    ContextMenuItemAction::Action(action) => {
                                        let action = action.boxed_clone();
                                        cx.app_context()
                                            .spawn(|mut cx| async move {
-                                                window
-                                                    .dispatch_action(
-                                                        view_id,
-                                                        action.as_ref(),
-                                                        &mut cx,
-                                                    )
-                                                    .ok_or_else(|| anyhow!("window was closed"))
+                                                cx.dispatch_action(
+                                                    window_id,
+                                                    view_id,
+                                                    action.as_ref(),
+                                                )
                                            })
                                            .detach_and_log_err(cx);
                                    }
--- a/crates/copilot/src/sign_in.rs
+++ b/crates/copilot/src/sign_in.rs
@@ -4,7 +4,7 @@ use gpui::{
    geometry::rect::RectF,
    platform::{WindowBounds, WindowKind, WindowOptions},
    AnyElement, AnyViewHandle, AppContext, ClipboardItem, Element, Entity, View, ViewContext,
-    WindowHandle,
+    ViewHandle,
 };
 use theme::ui::modal;

@@ -18,43 +18,43 @@ 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 verification_window: Option<WindowHandle<CopilotCodeVerification>> = None;
+        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(window) = verification_window.as_mut() {
-                        let updated = window
-                            .root(cx)
-                            .map(|root| {
-                                root.update(cx, |verification, cx| {
-                                    verification.set_status(status.clone(), cx);
-                                    cx.activate_window();
-                                })
-                            })
-                            .is_some();
-                        if !updated {
-                            verification_window = Some(create_copilot_auth_window(cx, &status));
+                    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 {
-                        verification_window = Some(create_copilot_auth_window(cx, &status));
+                        code_verification = Some(create_copilot_auth_window(cx, &status));
                    }
                }
                Status::Authorized | Status::Unauthorized => {
-                    if let Some(window) = verification_window.as_ref() {
-                        if let Some(verification) = window.root(cx) {
-                            verification.update(cx, |verification, cx| {
-                                verification.set_status(status, cx);
-                                cx.platform().activate(true);
-                                cx.activate_window();
+                    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) = verification_window.take() {
-                        code_verification.update(cx, |cx| cx.remove_window());
+                    if let Some(code_verification) = code_verification.take() {
+                        cx.update_window(code_verification.window_id(), |cx| cx.remove_window());
                    }
                }
            }
@@ -66,7 +66,7 @@ pub fn init(cx: &mut AppContext) {
 fn create_copilot_auth_window(
    cx: &mut AppContext,
    status: &Status,
-) -> WindowHandle<CopilotCodeVerification> {
+) -> ViewHandle<CopilotCodeVerification> {
    let window_size = theme::current(cx).copilot.modal.dimensions();
    let window_options = WindowOptions {
        bounds: WindowBounds::Fixed(RectF::new(Default::default(), window_size)),
@@ -78,9 +78,10 @@ fn create_copilot_auth_window(
        is_movable: true,
        screen: None,
    };
-    cx.add_window(window_options, |_cx| {
+    let (_, view) = cx.add_window(window_options, |_cx| {
        CopilotCodeVerification::new(status.clone())
-    })
+    });
+    view
 }

 pub struct CopilotCodeVerification {
@@ -113,7 +114,7 @@ impl CopilotCodeVerification {

        let device_code_style = &style.auth.prompting.device_code;

-        MouseEventHandler::new::<Self, _>(0, cx, |state, _cx| {
+        MouseEventHandler::<Self, _>::new(0, cx, |state, _cx| {
            Flex::row()
                .with_child(
                    Label::new(data.user_code.clone(), device_code_style.text.clone())
--- a/crates/copilot_button/src/copilot_button.rs
+++ b/crates/copilot_button/src/copilot_button.rs
@@ -62,7 +62,7 @@ impl View for CopilotButton {

        Stack::new()
            .with_child(
-                MouseEventHandler::new::<Self, _>(0, cx, {
+                MouseEventHandler::<Self, _>::new(0, cx, {
                    let theme = theme.clone();
                    let status = status.clone();
                    move |state, _cx| {
@@ -140,7 +140,7 @@ impl View for CopilotButton {
                })
                .with_tooltip::<Self>(
                    0,
-                    "GitHub Copilot",
+                    "GitHub Copilot".into(),
                    None,
                    theme.tooltip.clone(),
                    cx,
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -855,8 +855,7 @@ mod tests {

        let language_server_id = LanguageServerId(0);
        let project = Project::test(fs.clone(), ["/test".as_ref()], cx).await;
-        let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
-        let workspace = window.root(cx);
+        let (window_id, workspace) = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));

        // Create some diagnostics
        project.update(cx, |project, cx| {
@@ -943,7 +942,7 @@ mod tests {
        });

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

@@ -1249,10 +1248,9 @@ mod tests {
        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 = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
-        let workspace = window.root(cx);
+        let (window_id, workspace) = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));

-        let view = window.add_view(cx, |cx| {
+        let view = cx.add_view(window_id, |cx| {
            ProjectDiagnosticsEditor::new(project.clone(), workspace.downgrade(), cx)
        });

--- a/crates/diagnostics/src/items.rs
+++ b/crates/diagnostics/src/items.rs
@@ -94,7 +94,7 @@ impl View for DiagnosticIndicator {
        let tooltip_style = theme::current(cx).tooltip.clone();
        let in_progress = !self.in_progress_checks.is_empty();
        let mut element = Flex::row().with_child(
-            MouseEventHandler::new::<Summary, _>(0, cx, |state, cx| {
+            MouseEventHandler::<Summary, _>::new(0, cx, |state, cx| {
                let theme = theme::current(cx);
                let style = theme
                    .workspace
@@ -105,7 +105,7 @@ impl View for DiagnosticIndicator {
                let mut summary_row = Flex::row();
                if self.summary.error_count > 0 {
                    summary_row.add_child(
-                        Svg::new("icons/error.svg")
+                        Svg::new("icons/circle_x_mark_16.svg")
                            .with_color(style.icon_color_error)
                            .constrained()
                            .with_width(style.icon_width)
@@ -121,7 +121,7 @@ impl View for DiagnosticIndicator {

                if self.summary.warning_count > 0 {
                    summary_row.add_child(
-                        Svg::new("icons/warning.svg")
+                        Svg::new("icons/triangle_exclamation_16.svg")
                            .with_color(style.icon_color_warning)
                            .constrained()
                            .with_width(style.icon_width)
@@ -142,7 +142,7 @@ impl View for DiagnosticIndicator {

                if self.summary.error_count == 0 && self.summary.warning_count == 0 {
                    summary_row.add_child(
-                        Svg::new("icons/check_circle.svg")
+                        Svg::new("icons/circle_check_16.svg")
                            .with_color(style.icon_color_ok)
                            .constrained()
                            .with_width(style.icon_width)
@@ -173,7 +173,7 @@ impl View for DiagnosticIndicator {
            })
            .with_tooltip::<Summary>(
                0,
-                "Project Diagnostics",
+                "Project Diagnostics".to_string(),
                Some(Box::new(crate::Deploy)),
                tooltip_style,
                cx,
@@ -195,7 +195,7 @@ impl View for DiagnosticIndicator {
        } else if let Some(diagnostic) = &self.current_diagnostic {
            let message_style = style.diagnostic_message.clone();
            element.add_child(
-                MouseEventHandler::new::<Message, _>(1, cx, |state, _| {
+                MouseEventHandler::<Message, _>::new(1, cx, |state, _| {
                    Label::new(
                        diagnostic.message.split('\n').next().unwrap().to_string(),
                        message_style.style_for(state).text.clone(),
--- a/crates/drag_and_drop/src/drag_and_drop.rs
+++ b/crates/drag_and_drop/src/drag_and_drop.rs
@@ -6,7 +6,7 @@ use gpui::{
    geometry::{rect::RectF, vector::Vector2F},
    platform::{CursorStyle, MouseButton},
    scene::{MouseDown, MouseDrag},
-    AnyElement, AnyWindowHandle, Element, View, ViewContext, WeakViewHandle, WindowContext,
+    AnyElement, Element, View, ViewContext, WeakViewHandle, WindowContext,
 };

 const DEAD_ZONE: f32 = 4.;
@@ -21,7 +21,7 @@ enum State<V: View> {
        region: RectF,
    },
    Dragging {
-        window: AnyWindowHandle,
+        window_id: usize,
        position: Vector2F,
        region_offset: Vector2F,
        region: RectF,
@@ -49,14 +49,14 @@ impl<V: View> Clone for State<V> {
                region,
            },
            State::Dragging {
-                window,
+                window_id,
                position,
                region_offset,
                region,
                payload,
                render,
            } => Self::Dragging {
-                window: window.clone(),
+                window_id: window_id.clone(),
                position: position.clone(),
                region_offset: region_offset.clone(),
                region: region.clone(),
@@ -87,16 +87,16 @@ impl<V: View> DragAndDrop<V> {
        self.containers.insert(handle);
    }

-    pub fn currently_dragged<T: Any>(&self, window: AnyWindowHandle) -> Option<(Vector2F, Rc<T>)> {
+    pub fn currently_dragged<T: Any>(&self, window_id: usize) -> Option<(Vector2F, Rc<T>)> {
        self.currently_dragged.as_ref().and_then(|state| {
            if let State::Dragging {
                position,
                payload,
-                window: window_dragged_from,
+                window_id: window_dragged_from,
                ..
            } = state
            {
-                if &window != window_dragged_from {
+                if &window_id != window_dragged_from {
                    return None;
                }

@@ -126,9 +126,9 @@ impl<V: View> DragAndDrop<V> {
        cx: &mut WindowContext,
        render: Rc<impl 'static + Fn(&T, &mut ViewContext<V>) -> AnyElement<V>>,
    ) {
-        let window = cx.window();
+        let window_id = cx.window_id();
        cx.update_global(|this: &mut Self, cx| {
-            this.notify_containers_for_window(window, cx);
+            this.notify_containers_for_window(window_id, cx);

            match this.currently_dragged.as_ref() {
                Some(&State::Down {
@@ -141,7 +141,7 @@ impl<V: View> DragAndDrop<V> {
                }) => {
                    if (event.position - (region.origin() + region_offset)).length() > DEAD_ZONE {
                        this.currently_dragged = Some(State::Dragging {
-                            window,
+                            window_id,
                            region_offset,
                            region,
                            position: event.position,
@@ -163,7 +163,7 @@ impl<V: View> DragAndDrop<V> {
                    ..
                }) => {
                    this.currently_dragged = Some(State::Dragging {
-                        window,
+                        window_id,
                        region_offset,
                        region,
                        position: event.position,
@@ -188,21 +188,21 @@ impl<V: View> DragAndDrop<V> {
                    State::Down { .. } => None,
                    State::DeadZone { .. } => None,
                    State::Dragging {
-                        window,
+                        window_id,
                        region_offset,
                        position,
                        region,
                        payload,
                        render,
                    } => {
-                        if cx.window() != window {
+                        if cx.window_id() != window_id {
                            return None;
                        }

                        let position = (position - region_offset).round();
                        Some(
                            Overlay::new(
-                                MouseEventHandler::new::<DraggedElementHandler, _>(
+                                MouseEventHandler::<DraggedElementHandler, V>::new(
                                    0,
                                    cx,
                                    |_, cx| render(payload, cx),
@@ -235,7 +235,7 @@ impl<V: View> DragAndDrop<V> {
                    }

                    State::Canceled => Some(
-                        MouseEventHandler::new::<DraggedElementHandler, _>(0, cx, |_, _| {
+                        MouseEventHandler::<DraggedElementHandler, V>::new(0, cx, |_, _| {
                            Empty::new().constrained().with_width(0.).with_height(0.)
                        })
                        .on_up(MouseButton::Left, |_, _, cx| {
@@ -260,27 +260,27 @@ impl<V: View> DragAndDrop<V> {

    pub fn cancel_dragging<P: Any>(&mut self, cx: &mut WindowContext) {
        if let Some(State::Dragging {
-            payload, window, ..
+            payload, window_id, ..
        }) = &self.currently_dragged
        {
            if payload.is::<P>() {
-                let window = *window;
+                let window_id = *window_id;
                self.currently_dragged = Some(State::Canceled);
-                self.notify_containers_for_window(window, cx);
+                self.notify_containers_for_window(window_id, cx);
            }
        }
    }

    fn finish_dragging(&mut self, cx: &mut WindowContext) {
-        if let Some(State::Dragging { window, .. }) = self.currently_dragged.take() {
-            self.notify_containers_for_window(window, cx);
+        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: AnyWindowHandle, cx: &mut WindowContext) {
+    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() == window {
+                if container.window_id() == window_id {
                    container.update(cx, |_, cx| cx.notify());
                }
                true
@@ -301,7 +301,7 @@ pub trait Draggable<V: View> {
        Self: Sized;
 }

-impl<V: View> Draggable<V> for MouseEventHandler<V> {
+impl<Tag, V: View> Draggable<V> for MouseEventHandler<Tag, V> {
    fn as_draggable<D: View, P: Any>(
        self,
        payload: P,
--- a/crates/editor/Cargo.toml
+++ b/crates/editor/Cargo.toml
@@ -47,7 +47,6 @@ workspace = { path = "../workspace" }

 aho-corasick = "0.7"
 anyhow.workspace = true
-convert_case = "0.6.0"
 futures.workspace = true
 indoc = "1.0.4"
 itertools = "0.10"
@@ -57,12 +56,12 @@ ordered-float.workspace = true
 parking_lot.workspace = true
 postage.workspace = true
 pulldown-cmark = { version = "0.9.2", default-features = false }
-rand.workspace = true
 schemars.workspace = true
 serde.workspace = true
 serde_derive.workspace = true
 smallvec.workspace = true
 smol.workspace = true
+rand.workspace = true

 tree-sitter-rust = { workspace = true, optional = true }
 tree-sitter-html = { workspace = true, optional = true }
--- a/crates/editor/src/display_map.rs
+++ b/crates/editor/src/display_map.rs
@@ -353,26 +353,19 @@ impl DisplaySnapshot {
        }
    }

-    // used by line_mode selections and tries to match vim behaviour
    pub fn expand_to_line(&self, range: Range<Point>) -> Range<Point> {
-        let new_start = if range.start.row == 0 {
-            Point::new(0, 0)
-        } else if range.start.row == self.max_buffer_row()
-            || (range.end.column > 0 && range.end.row == self.max_buffer_row())
-        {
-            Point::new(range.start.row - 1, self.line_len(range.start.row - 1))
-        } else {
-            self.prev_line_boundary(range.start).0
-        };
+        let mut new_start = self.prev_line_boundary(range.start).0;
+        let mut new_end = self.next_line_boundary(range.end).0;

-        let new_end = if range.end.column == 0 {
-            range.end
-        } else if range.end.row < self.max_buffer_row() {
-            self.buffer_snapshot
-                .clip_point(Point::new(range.end.row + 1, 0), Bias::Left)
-        } else {
-            self.buffer_snapshot.max_point()
-        };
+        if new_start.row == range.start.row && new_end.row == range.end.row {
+            if new_end.row < self.buffer_snapshot.max_point().row {
+                new_end.row += 1;
+                new_end.column = 0;
+            } else if new_start.row > 0 {
+                new_start.row -= 1;
+                new_start.column = self.buffer_snapshot.line_len(new_start.row);
+            }
+        }

        new_start..new_end
    }
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -28,7 +28,6 @@ use blink_manager::BlinkManager;
 use client::{ClickhouseEvent, TelemetrySettings};
 use clock::{Global, ReplicaId};
 use collections::{BTreeMap, Bound, HashMap, HashSet, VecDeque};
-use convert_case::{Case, Casing};
 use copilot::Copilot;
 pub use display_map::DisplayPoint;
 use display_map::*;
@@ -232,13 +231,6 @@ actions!(
        SortLinesCaseInsensitive,
        ReverseLines,
        ShuffleLines,
-        ConvertToUpperCase,
-        ConvertToLowerCase,
-        ConvertToTitleCase,
-        ConvertToSnakeCase,
-        ConvertToKebabCase,
-        ConvertToUpperCamelCase,
-        ConvertToLowerCamelCase,
        Transpose,
        Cut,
        Copy,
@@ -361,13 +353,6 @@ pub fn init(cx: &mut AppContext) {
    cx.add_action(Editor::sort_lines_case_insensitive);
    cx.add_action(Editor::reverse_lines);
    cx.add_action(Editor::shuffle_lines);
-    cx.add_action(Editor::convert_to_upper_case);
-    cx.add_action(Editor::convert_to_lower_case);
-    cx.add_action(Editor::convert_to_title_case);
-    cx.add_action(Editor::convert_to_snake_case);
-    cx.add_action(Editor::convert_to_kebab_case);
-    cx.add_action(Editor::convert_to_upper_camel_case);
-    cx.add_action(Editor::convert_to_lower_camel_case);
    cx.add_action(Editor::delete_to_previous_word_start);
    cx.add_action(Editor::delete_to_previous_subword_start);
    cx.add_action(Editor::delete_to_next_word_end);
@@ -867,7 +852,7 @@ impl CompletionsMenu {
                    let completion = &completions[mat.candidate_id];
                    let item_ix = start_ix + ix;
                    items.push(
-                        MouseEventHandler::new::<CompletionTag, _>(
+                        MouseEventHandler::<CompletionTag, _>::new(
                            mat.candidate_id,
                            cx,
                            |state, _| {
@@ -1044,7 +1029,7 @@ impl CodeActionsMenu {
                for (ix, action) in actions[range].iter().enumerate() {
                    let item_ix = start_ix + ix;
                    items.push(
-                        MouseEventHandler::new::<ActionTag, _>(item_ix, cx, |state, _| {
+                        MouseEventHandler::<ActionTag, _>::new(item_ix, cx, |state, _| {
                            let item_style = if item_ix == selected_item {
                                style.autocomplete.selected_item
                            } else if state.hovered() {
@@ -2723,7 +2708,7 @@ impl Editor {
            .collect()
    }

-    pub fn excerpt_visible_offsets(
+    fn excerpt_visible_offsets(
        &self,
        restrict_to_languages: Option<&HashSet<Arc<Language>>>,
        cx: &mut ViewContext<'_, '_, Editor>,
@@ -3547,7 +3532,7 @@ impl Editor {
        if self.available_code_actions.is_some() {
            enum CodeActions {}
            Some(
-                MouseEventHandler::new::<CodeActions, _>(0, cx, |state, _| {
+                MouseEventHandler::<CodeActions, _>::new(0, cx, |state, _| {
                    Svg::new("icons/bolt_8.svg").with_color(
                        style
                            .code_actions
@@ -3594,7 +3579,7 @@ impl Editor {
                fold_data
                    .map(|(fold_status, buffer_row, active)| {
                        (active || gutter_hovered || fold_status == FoldStatus::Folded).then(|| {
-                            MouseEventHandler::new::<FoldIndicators, _>(
+                            MouseEventHandler::<FoldIndicators, _>::new(
                                ix as usize,
                                cx,
                                |mouse_state, _| {
@@ -4321,97 +4306,6 @@ impl Editor {
        });
    }

-    pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
-        self.manipulate_text(cx, |text| text.to_uppercase())
-    }
-
-    pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
-        self.manipulate_text(cx, |text| text.to_lowercase())
-    }
-
-    pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
-        self.manipulate_text(cx, |text| text.to_case(Case::Title))
-    }
-
-    pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
-        self.manipulate_text(cx, |text| text.to_case(Case::Snake))
-    }
-
-    pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
-        self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
-    }
-
-    pub fn convert_to_upper_camel_case(
-        &mut self,
-        _: &ConvertToUpperCamelCase,
-        cx: &mut ViewContext<Self>,
-    ) {
-        self.manipulate_text(cx, |text| text.to_case(Case::UpperCamel))
-    }
-
-    pub fn convert_to_lower_camel_case(
-        &mut self,
-        _: &ConvertToLowerCamelCase,
-        cx: &mut ViewContext<Self>,
-    ) {
-        self.manipulate_text(cx, |text| text.to_case(Case::Camel))
-    }
-
-    fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
-    where
-        Fn: FnMut(&str) -> String,
-    {
-        let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
-        let buffer = self.buffer.read(cx).snapshot(cx);
-
-        let mut new_selections = Vec::new();
-        let mut edits = Vec::new();
-        let mut selection_adjustment = 0i32;
-
-        for selection in self.selections.all::<usize>(cx) {
-            let selection_is_empty = selection.is_empty();
-
-            let (start, end) = if selection_is_empty {
-                let word_range = movement::surrounding_word(
-                    &display_map,
-                    selection.start.to_display_point(&display_map),
-                );
-                let start = word_range.start.to_offset(&display_map, Bias::Left);
-                let end = word_range.end.to_offset(&display_map, Bias::Left);
-                (start, end)
-            } else {
-                (selection.start, selection.end)
-            };
-
-            let text = buffer.text_for_range(start..end).collect::<String>();
-            let old_length = text.len() as i32;
-            let text = callback(&text);
-
-            new_selections.push(Selection {
-                start: (start as i32 - selection_adjustment) as usize,
-                end: ((start + text.len()) as i32 - selection_adjustment) as usize,
-                goal: SelectionGoal::None,
-                ..selection
-            });
-
-            selection_adjustment += old_length - text.len() as i32;
-
-            edits.push((start..end, text));
-        }
-
-        self.transact(cx, |this, cx| {
-            this.buffer.update(cx, |buffer, cx| {
-                buffer.edit(edits, None, cx);
-            });
-
-            this.change_selections(Some(Autoscroll::fit()), cx, |s| {
-                s.select(new_selections);
-            });
-
-            this.request_autoscroll(Autoscroll::fit(), cx);
-        });
-    }
-
    pub fn duplicate_line(&mut self, _: &DuplicateLine, cx: &mut ViewContext<Self>) {
        let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
        let buffer = &display_map.buffer_snapshot;
@@ -8663,7 +8557,7 @@ pub fn diagnostic_block_renderer(diagnostic: Diagnostic, is_valid: bool) -> Rend
        let font_size = (style.text_scale_factor * settings.buffer_font_size(cx)).round();
        let anchor_x = cx.anchor_x;
        enum BlockContextToolip {}
-        MouseEventHandler::new::<BlockContext, _>(cx.block_id, cx, |_, _| {
+        MouseEventHandler::<BlockContext, _>::new(cx.block_id, cx, |_, _| {
            Flex::column()
                .with_children(highlighted_lines.iter().map(|(line, highlights)| {
                    Label::new(
@@ -8685,7 +8579,7 @@ pub fn diagnostic_block_renderer(diagnostic: Diagnostic, is_valid: bool) -> Rend
        // We really need to rethink this ID system...
        .with_tooltip::<BlockContextToolip>(
            cx.block_id,
-            "Copy diagnostic message",
+            "Copy diagnostic message".to_string(),
            None,
            tooltip_style,
            cx,
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Max Brunsfeld	6cb8613a6f	zed 0.98.2	2023-08-08 12:32:38 -07:00
Piotr Osiewicz	dff0d5898f	Piotr/optimize search selections with a limit (#2831 ) /cc @nathansobo @maxbrunsfeld Release Notes: - Fixed scrollbar selections causing noticeable slowdowns with large quantities of selections.	2023-08-08 12:32:09 -07:00
Max Brunsfeld	06ae1a5ec0	Make LspAdapter::process_diagnostics synchronous (#2829 ) When editing rust code, the project diagnostics view sometimes fails to update, so that you have to close the view and re-open it to see the correct state. This PR fixes one possible cause of that problem. There was an async step in between receiving diagnostics from the language server and updating the diagnostics, due to an async call to `LspAdapter::process_diagnostics`. This could cause the following sequence of events to happen: 1. Rust-analyzer sends us new diagnostics for a file `a.rs` 2. We call `process_diagnostics` with those diagnostics 3. Rust-analyzer sends us a `WorkDoneProgress` message, indicating that the "flycheck" (aka `cargo check`) process has completed 4. We update the project diagnostics view due to this message. 5. The `process_diagnostics` call for `a.rs` completes 6. 💥 We have the new diagnostics for `a.rs`, but do not update the project diagnostics view again. This PR fixes this bug by simply making `process_diagnostics` synchronous. There is no I/O or expensive computation happening in that method. If we need to make it asynchronous in the future, we need to introduce a queue that ensures that `publishDiagnostics` and `workDoneProgress` messages are processed serially. Release Notes: - Fixed a bug where the project diagnostics view would sometimes fail to update properly when using Rust-analyzer.	2023-08-07 14:32:26 -07:00
Max Brunsfeld	d6edcee989	zed 0.98.1	2023-08-02 12:20:57 -07:00
Max Brunsfeld	fa05c5422d	Revert "Extract syntax highlighting properties from tree-sitter highlight queries (#2797 )" This reverts commit `45c635872b`, reversing changes made to `f2b82369f2`.	2023-08-02 12:19:31 -07:00
Joseph T. Lyons	8f7cdca729	v0.98.x preview	2023-08-02 13:50:08 -04:00