Version 5.12.2.

- Fix some crashes.

.devcontainer.json

@@ -0,0 +1,32 @@
+{
+    "name": "CentOS",
+    "image": "tdesktop:centos_env",
+    "customizations": {
+        "vscode": {
+            "settings": {
+                "C_Cpp.intelliSenseEngine": "disabled",
+                "clangd.arguments": [
+                    "--compile-commands-dir=${workspaceFolder}/out"
+                ],
+                "cmake.generator": "Ninja Multi-Config",
+                "cmake.buildDirectory": "${workspaceFolder}/out"
+            },
+            "extensions": [
+                "ms-vscode.cpptools-extension-pack",
+                "llvm-vs-code-extensions.vscode-clangd",
+                "TheQtCompany.qt",
+                "ms-python.python",
+                "ms-azuretools.vscode-docker",
+                "eamodio.gitlens"
+            ]
+        }
+    },
+    "capAdd": [
+        "SYS_PTRACE"
+    ],
+    "securityOpt": [
+        "seccomp=unconfined"
+    ],
+    "workspaceMount": "source=${localWorkspaceFolder},target=/usr/src/tdesktop,type=bind,consistency=cached",
+    "workspaceFolder": "/usr/src/tdesktop"
+}

.github/workflows/linux.yml

@@ -83,6 +83,7 @@ jobs:
           fi
 
           docker run --rm \
+          -u $(id -u) \
           -v $PWD:/usr/src/tdesktop \
           -e CONFIG=Debug \
           tdesktop:centos_env \
@@ -114,8 +115,8 @@ jobs:
         if: env.UPLOAD_ARTIFACT == 'true'
         run: |
           cd $REPO_NAME/out/Debug
-          sudo mkdir artifact
-          sudo mv {Telegram,Updater} artifact/
+          mkdir artifact
+          mv {Telegram,Updater} artifact/
       - uses: actions/upload-artifact@v4
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.

.github/workflows/mac_packaged.yml

@@ -40,7 +40,7 @@ jobs:
 
   macos:
     name: MacOS
-    runs-on: macos-13
+    runs-on: macos-latest
 
     strategy:
       matrix:
@@ -49,7 +49,7 @@ jobs:
 
     env:
       GIT: "https://github.com"
-      CMAKE_PREFIX_PATH: "/usr/local/opt/ffmpeg@6:/usr/local/opt/openal-soft"
+      CMAKE_PREFIX_PATH: "/opt/homebrew/opt/ffmpeg@6:/opt/homebrew/opt/openal-soft"
       UPLOAD_ARTIFACT: "true"
       ONLY_CACHE: "false"
       MANUAL_CACHING: "1"
@@ -69,7 +69,7 @@ jobs:
         run: |
           brew update
           brew upgrade || true
-          brew install ada-url autoconf automake boost cmake ffmpeg@6 openal-soft openh264 openssl opus ninja pkg-config python qt yasm xz
+          brew install ada-url autoconf automake boost cmake ffmpeg libtool openal-soft openh264 openssl opus ninja pkg-config python qt yasm xz
           sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
 
           xcodebuild -version > CACHE_KEY.txt
@@ -95,7 +95,7 @@ jobs:
           ./autogen.sh
           ./configure --disable-examples --disable-doc
           make -j$(sysctl -n hw.logicalcpu)
-          make install
+          sudo make install
 
       - name: WebRTC cache.
         id: cache-webrtc
@@ -111,7 +111,11 @@ jobs:
           git clone --depth=1 --recursive --shallow-submodules $GIT/desktop-app/tg_owt.git
           cd tg_owt
 
-          cmake -B build . -GNinja -DCMAKE_BUILD_TYPE=Debug
+          cmake -Bbuild -GNinja . \
+          -DCMAKE_BUILD_TYPE=Debug \
+          -DCMAKE_C_FLAGS_DEBUG="" \
+          -DCMAKE_CXX_FLAGS_DEBUG=""
+
           cmake --build build --parallel
 
       - name: Telegram Desktop build.
@@ -132,6 +136,9 @@ jobs:
 
           cmake -Bbuild -GNinja . \
           -DCMAKE_BUILD_TYPE=Debug \
+          -DCMAKE_C_FLAGS_DEBUG="" \
+          -DCMAKE_CXX_FLAGS_DEBUG="" \
+          -DCMAKE_EXE_LINKER_FLAGS="-s" \
           -DCMAKE_FIND_FRAMEWORK=LAST \
           -DTDESKTOP_API_TEST=ON \
           -DDESKTOP_APP_USE_PACKAGED_LAZY=ON \

.github/workflows/snap.yml

@@ -40,7 +40,7 @@ jobs:
 
   snap:
     name: Ubuntu
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     env:
       UPLOAD_ARTIFACT: "true"
@@ -57,14 +57,14 @@ jobs:
           sudo iptables -P FORWARD ACCEPT
           sudo snap install --classic snapcraft
           sudo usermod -aG lxd $USER
-          sudo snap run lxd init --auto
-          sudo snap run lxd waitready
+          sudo lxd init --auto
+          sudo lxd waitready
 
       - name: Free up some disk space.
         uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be
 
       - name: Telegram Desktop snap build.
-        run: sg lxd -c 'snap run snapcraft --verbosity=debug'
+        run: sudo -u $USER snap run snapcraft --verbosity=debug
 
       - name: Move artifact.
         if: env.UPLOAD_ARTIFACT == 'true'

.github/workflows/win.yml

@@ -42,7 +42,7 @@ jobs:
 
   windows:
     name: Windows
-    runs-on: windows-2022
+    runs-on: windows-latest
 
     strategy:
       matrix:
@@ -94,6 +94,14 @@ jobs:
           nuget sources Disable -Name "Microsoft Visual Studio Offline Packages"
           nuget sources Add -Source https://api.nuget.org/v3/index.json & exit 0
 
+      - name: ThirdParty cache.
+        id: cache-third-party
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.TBUILD }}\ThirdParty
+          key: ${{ runner.OS }}-${{ matrix.arch }}-third-party-${{ env.CACHE_KEY }}
+          restore-keys: ${{ runner.OS }}-${{ matrix.arch }}-third-party-
+
       - name: Libraries cache.
         id: cache-libs
         uses: actions/cache@v4

.gitignore

@@ -19,6 +19,7 @@ Release/
 ipch/
 .vs/
 .vscode/
+.cache/
 
 /Telegram/log.txt
 /Telegram/data

.gitmodules

@@ -3,7 +3,7 @@
 	url = https://github.com/telegramdesktop/libtgvoip
 [submodule "Telegram/ThirdParty/GSL"]
 	path = Telegram/ThirdParty/GSL
-	url = https://github.com/desktop-app/GSL.git
+	url = https://github.com/Microsoft/GSL.git
 [submodule "Telegram/ThirdParty/xxHash"]
 	path = Telegram/ThirdParty/xxHash
 	url = https://github.com/Cyan4973/xxHash.git

LEGAL

@@ -1,7 +1,7 @@
 This file is part of Telegram Desktop,
 the official desktop application for the Telegram messaging service.
 
-Copyright (c) 2014-2024 The Telegram Desktop Authors.
+Copyright (c) 2014-2025 The Telegram Desktop Authors.
 
 Telegram Desktop is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

README.md

@@ -58,12 +58,13 @@ Version **1.8.15** was the last that supports older systems
 * Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))
 * Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))
 * Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))
-* Vazir font ([SIL Open Font License 1.1](https://github.com/rastikerdar/vazir-font/blob/master/OFL.txt))
+* Vazirmatn font ([SIL Open Font License 1.1](https://github.com/rastikerdar/vazirmatn/blob/master/OFL.txt))
 * Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))
 * xxHash ([BSD License](https://github.com/Cyan4973/xxHash/blob/dev/LICENSE))
 * QR Code generator ([MIT License](https://github.com/nayuki/QR-Code-generator#license))
 * CMake ([New BSD License](https://github.com/Kitware/CMake/blob/master/Copyright.txt))
 * Hunspell ([LGPL](https://github.com/hunspell/hunspell/blob/master/COPYING.LESSER))
+* Ada ([Apache License 2.0](https://github.com/ada-url/ada/blob/main/LICENSE-APACHE))
 
 ## Build instructions
 

Telegram/CMakeLists.txt

@@ -112,6 +112,8 @@ PRIVATE
     api/api_bot.h
     api/api_chat_filters.cpp
     api/api_chat_filters.h
+    api/api_chat_filters_remove_manager.cpp
+    api/api_chat_filters_remove_manager.h
     api/api_chat_invite.cpp
     api/api_chat_invite.h
     api/api_chat_links.cpp
@@ -244,6 +246,8 @@ PRIVATE
     boxes/peers/prepare_short_info_box.h
     boxes/peers/replace_boost_box.cpp
     boxes/peers/replace_boost_box.h
+    boxes/peers/verify_peers_box.cpp
+    boxes/peers/verify_peers_box.h
     boxes/about_box.cpp
     boxes/about_box.h
     boxes/about_sponsored_box.cpp
@@ -292,6 +296,8 @@ PRIVATE
     boxes/peer_list_box.h
     boxes/peer_list_controllers.cpp
     boxes/peer_list_controllers.h
+    boxes/peer_list_widgets.cpp
+    boxes/peer_list_widgets.h
     boxes/peer_lists_box.cpp
     boxes/peer_lists_box.h
     boxes/passcode_box.cpp
@@ -318,14 +324,16 @@ PRIVATE
     boxes/send_gif_with_caption_box.h
     boxes/send_files_box.cpp
     boxes/send_files_box.h
-    boxes/sessions_box.cpp
-    boxes/sessions_box.h
     boxes/share_box.cpp
     boxes/share_box.h
+    boxes/star_gift_box.cpp
+    boxes/star_gift_box.h
     boxes/sticker_set_box.cpp
     boxes/sticker_set_box.h
     boxes/stickers_box.cpp
     boxes/stickers_box.h
+    boxes/transfer_gift_box.cpp
+    boxes/transfer_gift_box.h
     boxes/translate_box.cpp
     boxes/translate_box.h
     boxes/url_auth_box.cpp
@@ -464,6 +472,7 @@ PRIVATE
     core/sandbox.h
     core/shortcuts.cpp
     core/shortcuts.h
+    core/stars_amount.h
     core/ui_integration.cpp
     core/ui_integration.h
     core/update_checker.cpp
@@ -569,6 +578,8 @@ PRIVATE
     data/data_lastseen_status.h
     data/data_location.cpp
     data/data_location.h
+    data/data_media_preload.cpp
+    data/data_media_preload.h
     data/data_media_rotation.cpp
     data/data_media_rotation.h
     data/data_media_types.cpp
@@ -604,6 +615,7 @@ PRIVATE
     data/data_replies_list.h
     data/data_reply_preview.cpp
     data/data_reply_preview.h
+    data/data_report.h
     data/data_saved_messages.cpp
     data/data_saved_messages.h
     data/data_saved_sublist.cpp
@@ -618,6 +630,7 @@ PRIVATE
     data/data_shared_media.h
     data/data_sparse_ids.cpp
     data/data_sparse_ids.h
+    data/data_star_gift.h
     data/data_statistics.h
     data/data_stories.cpp
     data/data_stories.h
@@ -631,6 +644,8 @@ PRIVATE
     data/data_thread.h
     data/data_types.cpp
     data/data_types.h
+    data/data_unread_value.cpp
+    data/data_unread_value.h
     data/data_user.cpp
     data/data_user.h
     data/data_user_photos.cpp
@@ -786,6 +801,8 @@ PRIVATE
     history/view/media/history_view_story_mention.h
     history/view/media/history_view_theme_document.cpp
     history/view/media/history_view_theme_document.h
+    history/view/media/history_view_unique_gift.cpp
+    history/view/media/history_view_unique_gift.h
     history/view/media/history_view_userpic_suggestion.cpp
     history/view/media/history_view_userpic_suggestion.h
     history/view/media/history_view_web_page.cpp
@@ -908,6 +925,12 @@ PRIVATE
     info/bot/earn/info_bot_earn_list.h
     info/bot/earn/info_bot_earn_widget.cpp
     info/bot/earn/info_bot_earn_widget.h
+    info/bot/starref/info_bot_starref_common.cpp
+    info/bot/starref/info_bot_starref_common.h
+    info/bot/starref/info_bot_starref_join_widget.cpp
+    info/bot/starref/info_bot_starref_join_widget.h
+    info/bot/starref/info_bot_starref_setup_widget.cpp
+    info/bot/starref/info_bot_starref_setup_widget.h
     info/channel_statistics/boosts/create_giveaway_box.cpp
     info/channel_statistics/boosts/create_giveaway_box.h
     info/channel_statistics/boosts/giveaway/giveaway_list_controllers.cpp
@@ -930,6 +953,13 @@ PRIVATE
     info/downloads/info_downloads_provider.h
     info/downloads/info_downloads_widget.cpp
     info/downloads/info_downloads_widget.h
+    info/global_media/info_global_media_widget.cpp
+    info/global_media/info_global_media_widget.h
+    info/global_media/info_global_media_inner_widget.cpp
+    info/global_media/info_global_media_inner_widget.h
+    info/global_media/info_global_media_provider.cpp
+    info/global_media/info_global_media_provider.h
+    info/media/info_media_buttons.cpp
     info/media/info_media_buttons.h
     info/media/info_media_common.cpp
     info/media/info_media_common.h
@@ -947,6 +977,10 @@ PRIVATE
     info/media/info_media_widget.h
     info/members/info_members_widget.cpp
     info/members/info_members_widget.h
+    info/peer_gifts/info_peer_gifts_common.cpp
+    info/peer_gifts/info_peer_gifts_common.h
+    info/peer_gifts/info_peer_gifts_widget.cpp
+    info/peer_gifts/info_peer_gifts_widget.h
     info/polls/info_polls_results_inner_widget.cpp
     info/polls/info_polls_results_inner_widget.h
     info/polls/info_polls_results_widget.cpp
@@ -973,12 +1007,16 @@ PRIVATE
     info/profile/info_profile_values.h
     info/profile/info_profile_widget.cpp
     info/profile/info_profile_widget.h
+    info/reactions_list/info_reactions_list_widget.cpp
+    info/reactions_list/info_reactions_list_widget.h
+    info/requests_list/info_requests_list_widget.cpp
+    info/requests_list/info_requests_list_widget.h
     info/saved/info_saved_sublists_widget.cpp
     info/saved/info_saved_sublists_widget.h
     info/settings/info_settings_widget.cpp
     info/settings/info_settings_widget.h
-    info/similar_channels/info_similar_channels_widget.cpp
-    info/similar_channels/info_similar_channels_widget.h
+    info/similar_peers/info_similar_peers_widget.cpp
+    info/similar_peers/info_similar_peers_widget.h
     info/statistics/info_statistics_common.h
     info/statistics/info_statistics_inner_widget.cpp
     info/statistics/info_statistics_inner_widget.h
@@ -986,6 +1024,7 @@ PRIVATE
     info/statistics/info_statistics_list_controllers.h
     info/statistics/info_statistics_recent_message.cpp
     info/statistics/info_statistics_recent_message.h
+    info/statistics/info_statistics_tag.h
     info/statistics/info_statistics_widget.cpp
     info/statistics/info_statistics_widget.h
     info/stories/info_stories_inner_widget.cpp
@@ -1022,6 +1061,10 @@ PRIVATE
     info/info_wrap_widget.h
     inline_bots/bot_attach_web_view.cpp
     inline_bots/bot_attach_web_view.h
+    inline_bots/inline_bot_confirm_prepared.cpp
+    inline_bots/inline_bot_confirm_prepared.h
+    inline_bots/inline_bot_downloads.cpp
+    inline_bots/inline_bot_downloads.h
     inline_bots/inline_bot_layout_internal.cpp
     inline_bots/inline_bot_layout_internal.h
     inline_bots/inline_bot_layout_item.cpp
@@ -1093,6 +1136,8 @@ PRIVATE
     media/audio/media_audio_loader.h
     media/audio/media_audio_loaders.cpp
     media/audio/media_audio_loaders.h
+    media/audio/media_audio_local_cache.cpp
+    media/audio/media_audio_local_cache.h
     media/audio/media_audio_track.cpp
     media/audio/media_audio_track.h
     media/audio/media_child_ffmpeg_loader.cpp
@@ -1153,12 +1198,16 @@ PRIVATE
     media/streaming/media_streaming_player.h
     media/streaming/media_streaming_reader.cpp
     media/streaming/media_streaming_reader.h
+    media/streaming/media_streaming_round_preview.cpp
+    media/streaming/media_streaming_round_preview.h
     media/streaming/media_streaming_utility.cpp
     media/streaming/media_streaming_utility.h
     media/streaming/media_streaming_video_track.cpp
     media/streaming/media_streaming_video_track.h
     media/view/media_view_group_thumbs.cpp
     media/view/media_view_group_thumbs.h
+    media/view/media_view_open_common.cpp
+    media/view/media_view_open_common.h
     media/view/media_view_overlay_opengl.cpp
     media/view/media_view_overlay_opengl.h
     media/view/media_view_overlay_raster.cpp
@@ -1177,7 +1226,6 @@ PRIVATE
     media/view/media_view_playback_controls.h
     media/view/media_view_playback_progress.cpp
     media/view/media_view_playback_progress.h
-    media/view/media_view_open_common.h
     media/system_media_controls_manager.h
     media/system_media_controls_manager.cpp
     menu/menu_antispam_validator.cpp
@@ -1365,8 +1413,6 @@ PRIVATE
     settings/business/settings_recipients_helper.h
     settings/business/settings_working_hours.cpp
     settings/business/settings_working_hours.h
-    settings/cloud_password/settings_cloud_password_common.cpp
-    settings/cloud_password/settings_cloud_password_common.h
     settings/cloud_password/settings_cloud_password_email.cpp
     settings/cloud_password/settings_cloud_password_email.h
     settings/cloud_password/settings_cloud_password_email_confirm.cpp
@@ -1379,6 +1425,10 @@ PRIVATE
     settings/cloud_password/settings_cloud_password_manage.h
     settings/cloud_password/settings_cloud_password_start.cpp
     settings/cloud_password/settings_cloud_password_start.h
+    settings/cloud_password/settings_cloud_password_step.cpp
+    settings/cloud_password/settings_cloud_password_step.h
+    settings/settings_active_sessions.cpp
+    settings/settings_active_sessions.h
     settings/settings_advanced.cpp
     settings/settings_advanced.h
     settings/settings_blocked_peers.cpp
@@ -1425,6 +1475,8 @@ PRIVATE
     settings/settings_privacy_security.h
     settings/settings_scale_preview.cpp
     settings/settings_scale_preview.h
+    settings/settings_shortcuts.cpp
+    settings/settings_shortcuts.h
     settings/settings_type.h
     settings/settings_websites.cpp
     settings/settings_websites.h
@@ -1492,6 +1544,8 @@ PRIVATE
     ui/chat/choose_send_as.h
     ui/chat/choose_theme_controller.cpp
     ui/chat/choose_theme_controller.h
+    ui/chat/sponsored_message_bar.cpp
+    ui/chat/sponsored_message_bar.h
     ui/controls/emoji_button_factory.cpp
     ui/controls/emoji_button_factory.h
     ui/controls/location_picker.cpp
@@ -1523,6 +1577,10 @@ PRIVATE
     ui/widgets/expandable_peer_list.h
     ui/widgets/label_with_custom_emoji.cpp
     ui/widgets/label_with_custom_emoji.h
+    ui/widgets/chat_filters_tabs_strip.cpp
+    ui/widgets/chat_filters_tabs_strip.h
+    ui/widgets/peer_bubble.cpp
+    ui/widgets/peer_bubble.h
     ui/countryinput.cpp
     ui/countryinput.h
     ui/dynamic_thumbnails.cpp
@@ -1534,8 +1592,6 @@ PRIVATE
     ui/item_text_options.cpp
     ui/item_text_options.h
     ui/resize_area.h
-    ui/search_field_controller.cpp
-    ui/search_field_controller.h
     ui/unread_badge.cpp
     ui/unread_badge.h
     window/main_window.cpp
@@ -1840,7 +1896,7 @@ endif()
 
 set_target_properties(Telegram PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${output_folder})
 
-if (WIN32 AND CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
+if (MSVC)
     target_link_libraries(Telegram
     PRIVATE
         delayimp
@@ -1937,7 +1993,7 @@ if (NOT DESKTOP_APP_DISABLE_AUTOUPDATE AND NOT build_macstore AND NOT build_wins
             base/platform/win/base_windows_safe_library.h
         )
         target_include_directories(Updater PRIVATE ${lib_base_loc})
-        if (CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
+        if (MSVC)
             target_link_libraries(Updater
             PRIVATE
                 delayimp

Telegram/Resources/default_shortcuts-custom.json

@@ -1,6 +1,7 @@
 // This is a list of your own shortcuts for Telegram Desktop
 // You can see full list of commands in the 'shortcuts-default.json' file
 // Place a null value instead of a command string to switch the shortcut off
+// You can also edit them in Settings > Chat Settings > Keyboard Shortcuts.
 
 [
     // {

Telegram/Resources/export_html/css/style.css

@@ -582,3 +582,55 @@ div.toast_shown {
 .bot_button_column_separator {
     width: 2px
 }
+
+.reactions {
+    margin: 5px 0;
+}
+
+.reactions .reaction {
+    display: inline-flex;
+    height: 20px;
+    border-radius: 15px;
+    background-color: #e8f5fc;
+    color: #168acd;
+    font-weight: bold;
+    margin-bottom: 5px;
+}
+
+.reactions .reaction.active {
+    background-color: #40a6e2;
+    color: #fff;
+}
+
+.reactions .reaction.paid {
+    background-color: #fdf6e1;
+    color: #c58523;
+}
+
+.reactions .reaction.active.paid {
+    background-color: #ecae0a;
+    color: #fdf6e1;
+}
+
+.reactions .reaction .emoji {
+    line-height: 20px;
+    margin: 0 5px;
+    font-size: 15px;
+}
+
+.reactions .reaction .userpic:not(:first-child) {
+    margin-left: -8px;
+}
+
+.reactions .reaction .userpic {
+    display: inline-block;
+}
+
+.reactions .reaction .userpic .initials {
+    font-size: 8px;
+}
+
+.reactions .reaction .count {
+    margin-right: 8px;
+    line-height: 20px;
+}

Telegram/Resources/iv_html/page.css

@@ -12,6 +12,7 @@ body {
 	margin: 0;
 	background-color: var(--td-window-bg);
 	color: var(--td-window-fg);
+	zoom: var(--td-zoom-percentage);
 }
 
 html.custom_scroll ::-webkit-scrollbar {

Telegram/Resources/iv_html/page.js

@@ -72,6 +72,9 @@ var IV = {
 		}
 	},
 	frameKeyDown: function (e) {
+		const key0 = (e.key === '0')
+			|| (e.code === 'Key0')
+			|| (e.keyCode === 48);
 		const keyW = (e.key === 'w')
 			|| (e.code === 'KeyW')
 			|| (e.keyCode === 87);
@@ -81,12 +84,12 @@ var IV = {
 		const keyM = (e.key === 'm')
 			|| (e.code === 'KeyM')
 			|| (e.keyCode === 77);
-		if ((e.metaKey || e.ctrlKey) && (keyW || keyQ || keyM)) {
+		if ((e.metaKey || e.ctrlKey) && (keyW || keyQ || keyM || key0)) {
 			e.preventDefault();
 			IV.notify({
 				event: 'keydown',
 				modifier: e.ctrlKey ? 'ctrl' : 'cmd',
-				key: keyW ? 'w' : keyQ ? 'q' : 'm',
+				key: key0 ? '0' : keyW ? 'w' : keyQ ? 'q' : 'm',
 			});
 		} else if (e.key === 'Escape' || e.keyCode === 27) {
 			e.preventDefault();