Hide the browser's default placeholder image for videos

Source: https://stackoverflow.com/a/79058682

.github/workflows/test.yaml

@@ -56,8 +56,8 @@ jobs:
         run: pnpm exec playwright install --with-deps
       - name: Run backend components
         run: |
-          docker compose -f playwright-backend-docker-compose.yml -f playwright-backend-docker-compose.override.yml pull
-          docker compose -f playwright-backend-docker-compose.yml -f playwright-backend-docker-compose.override.yml up -d
+          docker compose -f docker-compose-dev.yml -f docker-compose-playwright.yml pull
+          docker compose -f docker-compose-dev.yml -f docker-compose-playwright.yml up -d
           docker ps
       - name: Run Playwright tests
         env:

README.md

@@ -212,7 +212,7 @@ See also:
 
 ### Backend
 
-A docker compose file `dev-backend-docker-compose.yml` is provided to start the
+A docker compose file `docker-compose-dev.yml` is provided to start the
 whole stack of components which is required for a local development environment
 including federation:
 
@@ -239,7 +239,7 @@ the backend components:
 ```sh
 pnpm backend
 # or for podman-compose:
-# podman-compose -f dev-backend-docker-compose.yml up
+# podman-compose -f docker-compose-dev.yml up
 ```
 
 > [!NOTE]

docker-compose-dev.yml

@@ -156,7 +156,7 @@ services:
   nginx:
     #  see backend/dev_tls_setup for how to generate the tls certs
     hostname: synapse.m.localhost
-    image: nginx:latest
+    image: nginx:latest@sha256:4ae259ae64fbedb67918c07d167fdcb0e05855a1615480ca445bea485e7d65ff
     pull_policy: always
     volumes:
       - ./backend/dev_nginx.conf:/etc/nginx/conf.d/default.conf:Z

docker-compose-playwright.yml

@@ -0,0 +1,19 @@
+# This file contains overrides to docker-compose-dev.yml and should
+# only be used in combination with that file.
+services:
+  synapse:
+    # Pin to a SHA so that upstream cannot break our tests. Renovate handles regular updates.
+    image: ghcr.io/element-hq/synapse:latest@sha256:da325af40104051923899e5f5a2f1d537e6e3ccf2f0f38285689ae9bbfdb190a
+    volumes:
+      - ./backend/playwright_homeserver.yaml:/data/cfg/homeserver.yaml:Z
+  synapse-1:
+    # Pin to a SHA so that upstream cannot break our tests. Renovate handles regular updates.
+    image: ghcr.io/element-hq/synapse:latest@sha256:da325af40104051923899e5f5a2f1d537e6e3ccf2f0f38285689ae9bbfdb190a
+    volumes:
+      - ./backend/playwright_homeserver-othersite.yaml:/data/cfg/homeserver.yaml:Z
+  element-web:
+    # Pin to a SHA so that upstream cannot break our tests. Renovate handles regular updates.
+    image: ghcr.io/element-hq/element-web:develop@sha256:365eca844f0782676f2406e5107e2f74fae2ecdb1725cc42060a91681aeee4c4
+  element-web-1:
+    # Pin to a SHA so that upstream cannot break our tests. Renovate handles regular updates.
+    image: ghcr.io/element-hq/element-web:develop@sha256:365eca844f0782676f2406e5107e2f74fae2ecdb1725cc42060a91681aeee4c4

knip.ts

@@ -20,7 +20,12 @@ export default {
     // This is a shell built-in.
     "printf",
   ],
-  ignoreFiles: ["scripts/.pnpmfile.cjs"],
+  ignoreFiles: [
+    "scripts/.pnpmfile.cjs",
+    // Deliberately added prior to any component or business logic
+    // implementation
+    "src/state/ServiceInterruptionsViewModel.ts",
+  ],
   ignoreDependencies: [
     // Used in CSS
     "normalize.css",

package.json

@@ -30,8 +30,8 @@
     "test:storybook": "vitest --project=storybook",
     "test:unit": "vitest --project=unit",
     "test:coverage": "vitest --coverage",
-    "backend": "docker-compose -f dev-backend-docker-compose.yml up",
-    "backend-playwright": "docker-compose -f playwright-backend-docker-compose.yml -f playwright-backend-docker-compose.override.yml up",
+    "backend": "docker-compose -f docker-compose-dev.yml up",
+    "backend-playwright": "docker-compose -f docker-compose-dev.yml -f docker-compose-playwright.yml up",
     "test:playwright": "playwright test",
     "test:playwright:open": "pnpm test:playwright --ui",
     "links:on": "cp scripts/.pnpmfile.cjs .pnpmfile.cjs & pnpm install",

playwright-backend-docker-compose.override.yml

@@ -1,7 +0,0 @@
-services:
-  synapse:
-    volumes:
-      - ./backend/playwright_homeserver.yaml:/data/cfg/homeserver.yaml:Z
-  synapse-1:
-    volumes:
-      - ./backend/playwright_homeserver-othersite.yaml:/data/cfg/homeserver.yaml:Z

playwright-backend-docker-compose.yml

@@ -1,2 +0,0 @@
-include:
-  - dev-backend-docker-compose.yml

pnpm-lock.yaml

@@ -127,10 +127,10 @@ importers:
         version: 10.3.1(react@19.2.7)
       '@vector-im/compound-design-tokens':
         specifier: ^10.0.0
-        version: 10.2.2(@types/react@19.2.17)(react@19.2.7)
+        version: 10.2.3(@types/react@19.2.17)(react@19.2.7)
       '@vector-im/compound-web':
         specifier: ^9.3.0
-        version: 9.7.1(@fontsource/inconsolata@5.2.8)(@fontsource/inter@5.2.8)(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(@vector-im/compound-design-tokens@10.2.2(@types/react@19.2.17)(react@19.2.7))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
+        version: 9.8.0(@fontsource/inconsolata@5.2.8)(@fontsource/inter@5.2.8)(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(@vector-im/compound-design-tokens@10.2.3(@types/react@19.2.17)(react@19.2.7))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       '@vitejs/plugin-react':
         specifier: ^6.0.2
         version: 6.0.3(vite@8.1.0(@types/node@24.13.2)(esbuild@0.28.1)(jiti@2.7.0)(sass@1.101.0)(terser@5.46.1)(yaml@2.9.0))
@@ -3413,8 +3413,8 @@ packages:
     peerDependencies:
       react: '>= 16.8.0'
 
-  '@vector-im/compound-design-tokens@10.2.2':
-    resolution: {integrity: sha512-kncYroDEwyvvk4K4E67ExP4RYp9NEineD1tB38KeJwTmOvcrPtGjWyBAyJgOGeRuc7G5edNLkWnAbvk5yZJ+5w==}
+  '@vector-im/compound-design-tokens@10.2.3':
+    resolution: {integrity: sha512-K2xNkjOzYn2Ya0kUqCy7JIYyx9jbkNIWpex2t9m3FUG4wzkNscvaiRJ/a9Wse1aJmwDDARcHU6mUjtHf5os5MA==}
     peerDependencies:
       '@types/react': '*'
       react: ^17 || ^18 || ^19.0.0
@@ -3424,8 +3424,8 @@ packages:
       react:
         optional: true
 
-  '@vector-im/compound-web@9.7.1':
-    resolution: {integrity: sha512-kR2lJTeudadPYPH9eeZLX+iO+5yEUihb3idp2IH4NDvm0/0W1l1Ok3ljoIcf0W74V2piyiNu4jME2Byy4byosg==}
+  '@vector-im/compound-web@9.8.0':
+    resolution: {integrity: sha512-1Xy9eacbp9qD0uhLKb9SoyZ2iM868+M2BOiVX8oGfoZOyJYwihTwWmh2+0K8Kn8pag86t0yqyYplL0NVLY0sUA==}
     peerDependencies:
       '@fontsource/inconsolata': ^5
       '@fontsource/inter': ^5
@@ -9054,14 +9054,15 @@ snapshots:
       '@use-gesture/core': 10.3.1
       react: 19.2.7
 
-  '@vector-im/compound-design-tokens@10.2.2(@types/react@19.2.17)(react@19.2.7)':
+  '@vector-im/compound-design-tokens@10.2.3(@types/react@19.2.17)(react@19.2.7)':
     optionalDependencies:
       '@types/react': 19.2.17
       react: 19.2.7
 
-  '@vector-im/compound-web@9.7.1(@fontsource/inconsolata@5.2.8)(@fontsource/inter@5.2.8)(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(@vector-im/compound-design-tokens@10.2.2(@types/react@19.2.17)(react@19.2.7))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)':
+  '@vector-im/compound-web@9.8.0(@fontsource/inconsolata@5.2.8)(@fontsource/inter@5.2.8)(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(@vector-im/compound-design-tokens@10.2.3(@types/react@19.2.17)(react@19.2.7))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)':
     dependencies:
       '@floating-ui/react': 0.27.20(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
+      '@floating-ui/react-dom': 2.1.9(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       '@fontsource/inconsolata': 5.2.8
       '@fontsource/inter': 5.2.8
       '@radix-ui/react-context-menu': 2.3.3(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
@@ -9070,7 +9071,7 @@ snapshots:
       '@radix-ui/react-progress': 1.1.12(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       '@radix-ui/react-separator': 1.1.11(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       '@radix-ui/react-slot': 1.3.0(@types/react@19.2.17)(react@19.2.7)
-      '@vector-im/compound-design-tokens': 10.2.2(@types/react@19.2.17)(react@19.2.7)
+      '@vector-im/compound-design-tokens': 10.2.3(@types/react@19.2.17)(react@19.2.7)
       classnames: 2.5.1
       react: 19.2.7
       vaul: 1.1.2(@types/react-dom@19.2.3(@types/react@19.2.17))(@types/react@19.2.17)(react-dom@19.2.7(react@19.2.7))(react@19.2.7)

pnpm-workspace.yaml

@@ -1,3 +1,8 @@
+minimumReleaseAgeExclude:
+  - "@vector-im/compound-design-tokens"
+  - "@vector-im/compound-web"
+  - matrix-js-sdk
+  - matrix-widget-api
 allowBuilds:
   "@parcel/watcher": true
   "@sentry/cli": true

renovate.json

@@ -61,6 +61,15 @@
     {
       "groupName": "Pnpm",
       "matchDepNames": ["pnpm"]
+    },
+    {
+      "description": "Update the element-web image digest daily, in its own PR",
+      "groupName": "Element Web",
+      "matchPackageNames": ["ghcr.io/element-hq/element-web"],
+      "matchUpdateTypes": ["digest"],
+      "schedule": ["* 0-3 * * *"],
+      "minimumReleaseAge": null,
+      "automerge": true
     }
   ],
   "semanticCommits": "disabled",

src/room/VideoPreview.tsx

@@ -14,6 +14,7 @@ import { useTranslation } from "react-i18next";
 import { TileAvatar } from "../tile/TileAvatar";
 import styles from "./VideoPreview.module.css";
 import { type EncryptionSystem } from "../e2ee/sharedKeyManagement";
+import videoPlaceholder from "../graphics/video-placeholder.gif";
 
 export type MatrixInfo = {
   userId: string;
@@ -74,6 +75,9 @@ export const VideoPreview: FC<Props> = ({
         // There's no reason for this to be focusable
         tabIndex={-1}
         disablePictureInPicture
+        // Set the placeholder to a small transparent image. (On Android web
+        // views the default poster image is particularly ugly.)
+        poster={videoPlaceholder}
       />
       {(!videoEnabled || cameraIsStarting) && (
         <>

src/room/__snapshots__/InCallView.test.tsx.snap

@@ -428,7 +428,7 @@ exports[`InCallView > rendering > renders 1`] = `
       </div>
       <fieldset
         aria-label="Layout"
-        class="_toggle_13rnk_9 _layout_20b7b4"
+        class="_toggle_1t5ha_9 _layout_20b7b4"
         data-size="lg"
       >
         <input

src/room/__snapshots__/LobbyView.test.tsx.snap

@@ -49,6 +49,7 @@ exports[`LobbyView > renders with AppBar android 1`] = `
         <video
           disablepictureinpicture=""
           playsinline=""
+          poster="/src/graphics/video-placeholder.gif"
           tabindex="-1"
         />
         <div
@@ -84,7 +85,7 @@ exports[`LobbyView > renders with AppBar android 1`] = `
         </div>
       </div>
       <a
-        class="_link_k9ljz_8"
+        class="_link_13esb_8"
         data-kind="primary"
         data-size="md"
         href="/"
@@ -280,6 +281,7 @@ exports[`LobbyView > renders with AppBar ios 1`] = `
         <video
           disablepictureinpicture=""
           playsinline=""
+          poster="/src/graphics/video-placeholder.gif"
           tabindex="-1"
         />
         <div
@@ -315,7 +317,7 @@ exports[`LobbyView > renders with AppBar ios 1`] = `
         </div>
       </div>
       <a
-        class="_link_k9ljz_8"
+        class="_link_13esb_8"
         data-kind="primary"
         data-size="md"
         href="/"
@@ -558,6 +560,7 @@ exports[`LobbyView > renders with header and participant count 1`] = `
         <video
           disablepictureinpicture=""
           playsinline=""
+          poster="/src/graphics/video-placeholder.gif"
           tabindex="-1"
         />
         <div
@@ -592,7 +595,7 @@ exports[`LobbyView > renders with header and participant count 1`] = `
         </div>
       </div>
       <a
-        class="_link_k9ljz_8"
+        class="_link_13esb_8"
         data-kind="primary"
         data-size="md"
         href="/"

src/state/ServiceInterruptionsViewModel.ts

@@ -0,0 +1,27 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+export type Service =
+  | { name: "encryption-keys" }
+  | { name: "reactions" }
+  | { name: "screen-sharing" }
+  | { name: "local-media" }
+  | {
+      name: "remote-media";
+      /**
+       * The number of users affected, for the purpose of pluralising the
+       * strings.
+       */
+      count: number;
+    };
+
+export interface ServiceInterruptionsViewModel {
+  /**
+   * A non-empty array of services which are temporarily unavailable.
+   */
+  unavailable: Service[];
+}

src/tile/MediaView.tsx

@@ -25,6 +25,7 @@ import {
 import { type ReactionOption } from "../reactions";
 import { ReactionIndicator } from "../reactions/ReactionIndicator";
 import { RTCConnectionStats } from "../RTCConnectionStats";
+import videoPlaceholder from "../graphics/video-placeholder.gif";
 
 interface Props extends ComponentProps<typeof animated.div> {
   className?: string;
@@ -154,6 +155,9 @@ export const MediaView: FC<Props> = ({
             tabIndex={-1}
             disablePictureInPicture
             data-testid="video"
+            // Set the placeholder to a small transparent image. (On Android web
+            // views the default poster image is particularly ugly.)
+            poster={videoPlaceholder}
           />
         )}
       </div>