fix: backport mermaid xss fix to 0.18.1

2026-04-20 22:30:38 +02:00
782 changed files with 48850 additions and 97688 deletions
@@ -1,5 +1,3 @@
-MODE="development"
-
 VITE_APP_BACKEND_V2_GET_URL=https://json-dev.excalidraw.com/api/v2/
 VITE_APP_BACKEND_V2_POST_URL=https://json-dev.excalidraw.com/api/v2/post/

@@ -12,7 +10,7 @@ VITE_APP_WS_SERVER_URL=http://localhost:3002
 VITE_APP_PLUS_LP=https://plus.excalidraw.com
 VITE_APP_PLUS_APP=http://localhost:3000

-VITE_APP_AI_BACKEND=http://localhost:3016
+VITE_APP_AI_BACKEND=http://localhost:3015

 VITE_APP_FIREBASE_CONFIG='{"apiKey":"AIzaSyCMkxA60XIW8KbqMYL7edC4qT5l4qHX2h8","authDomain":"excalidraw-oss-dev.firebaseapp.com","projectId":"excalidraw-oss-dev","storageBucket":"excalidraw-oss-dev.appspot.com","messagingSenderId":"664559512677","appId":"1:664559512677:web:a385181f2928d328a7aa8c"}'

@@ -27,7 +25,7 @@ VITE_APP_ENABLE_TRACKING=true
 FAST_REFRESH=false

 # The port the run the dev server
-VITE_APP_PORT=3001
+VITE_APP_PORT=3000

 #Debug flags

@@ -50,6 +48,3 @@ UNWEjuqNMi/lwAErS9fFa2oJlWyT8U7zzv/5kQREkxZI6y9v0AF3qcbsy2731FnD
 s9ChJvOUW9toIab2gsIdrKW8ZNpu084ZFVKb6LNjvIXI1Se4oMTHeszXzNptzlot
 kdxxjOoaQMAyfljFSot1F1FlU6MQlag7UnFGvFjRHN1JI5q4K+n3a67DX+TMyRqS
 HQIDAQAB'
-
-# set to true in .env.development.local to disable the prevent unload dialog
-VITE_APP_DISABLE_PREVENT_UNLOAD=
@@ -1,5 +1,3 @@
-MODE="production"
-
 VITE_APP_BACKEND_V2_GET_URL=https://json.excalidraw.com/api/v2/
 VITE_APP_BACKEND_V2_POST_URL=https://json.excalidraw.com/api/v2/post/

@@ -1,21 +1,6 @@
 {
  "extends": ["@excalidraw/eslint-config", "react-app"],
  "rules": {
-    "import/order": [
-      "warn",
-      {
-        "groups": ["builtin", "external", "internal", "parent", "sibling", "index", "object", "type"],
-        "pathGroups": [
-          {
-            "pattern": "@excalidraw/**",
-            "group": "external",
-            "position": "after"
-          }
-        ],
-        "newlines-between": "always-and-inside-groups",
-        "warnOnUnassignedImports": true
-      }
-    ],
    "import/no-anonymous-default-export": "off",
    "no-restricted-globals": "off",
    "@typescript-eslint/consistent-type-imports": [
@@ -32,33 +17,6 @@
        "name": "jotai",
        "message": "Do not import from \"jotai\" directly. Use our app-specific modules (\"editor-jotai\" or \"app-jotai\")."
      }
-    ],
-    "react/jsx-no-target-blank": [
-      "error",
-      {
-        "allowReferrer": true
-      }
    ]
-  },
-  "overrides": [
-    {
-      "files": ["packages/excalidraw/**/*.{ts,tsx}"],
-      "excludedFiles": ["packages/excalidraw/**/*.test.{ts,tsx}", "packages/excalidraw/**/*.test.*.{ts,tsx}"],
-      "rules": {
-        "@typescript-eslint/no-restricted-imports": [
-          "error",
-          {
-            "patterns": [
-              {
-                "group": ["@excalidraw/excalidraw"],
-                "message": "Do not import from the barrel 'index.tsx' files. Use direct relative imports to the specific module instead.",
-                "allowTypeImports": true
-              }
-            ],
-            "paths": [".", "..", "../..", "../../..", "../../../..", "../../../../..", "../index", "../../index", "../../../index", "../../../../index"]
-          }
-        ]
-      }
-    }
-  ]
+  }
 }
@@ -1,45 +0,0 @@
-# Project coding standards
-
-## Generic Communication Guidelines
-
- Be succint and be aware that expansive generative AI answers are costly and slow
- Avoid providing explanations, trying to teach unless asked for, your chat partner is an expert
- Stop apologising if corrected, just provide the correct information or code
- Prefer code unless asked for explanation
- Stop summarizing what you've changed after modifications unless asked for
-
-## TypeScript Guidelines
-
- Use TypeScript for all new code
- Where possible, prefer implementations without allocation
- When there is an option, opt for more performant solutions and trade RAM usage for less CPU cycles
- Prefer immutable data (const, readonly)
- Use optional chaining (?.) and nullish coalescing (??) operators
-
-## React Guidelines
-
- Use functional components with hooks
- Follow the React hooks rules (no conditional hooks)
- Keep components small and focused
- Use CSS modules for component styling
-
-## Naming Conventions
-
- Use PascalCase for component names, interfaces, and type aliases
- Use camelCase for variables, functions, and methods
- Use ALL_CAPS for constants
-
-## Error Handling
-
- Use try/catch blocks for async operations
- Implement proper error boundaries in React components
- Always log errors with contextual information
-
-## Testing
-
- Always attempt to fix #problems
- Always offer to run `yarn test:app` in the project root after modifications are complete and attempt fixing the issues reported
-
-## Types
-
- Always include `packages/math/src/types.ts` in the context when your write math related code and always use the Point type instead of { x, y}
@@ -12,10 +12,10 @@ jobs:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 2
-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v2
        with:
-          node-version: 20.x
+          node-version: 18.x
      - name: Set up publish access
        run: |
          npm config set //registry.npmjs.org/:_authToken ${NPM_TOKEN}
@@ -24,4 +24,4 @@ jobs:
      - name: Auto release
        run: |
          yarn add @actions/core -W
-          yarn release --tag=next --non-interactive
+          yarn autorelease
@@ -0,0 +1,55 @@
+name: Auto release excalidraw preview
+on:
+  issue_comment:
+    types: [created, edited]
+
+jobs:
+  Auto-release-excalidraw-preview:
+    name: Auto release preview
+    if: github.event.comment.body == '@excalibot trigger release' && github.event.issue.pull_request
+    runs-on: ubuntu-latest
+    steps:
+      - name: React to release comment
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          token: ${{ secrets.PUSH_TRANSLATIONS_COVERAGE_PAT }}
+          comment-id: ${{ github.event.comment.id }}
+          reactions: "+1"
+      - name: Get PR SHA
+        id: sha
+        uses: actions/github-script@v4
+        with:
+          result-encoding: string
+          script: |
+            const { owner, repo, number } = context.issue;
+            const pr = await github.pulls.get({
+              owner,
+              repo,
+              pull_number: number,
+            });
+            return pr.data.head.sha
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ steps.sha.outputs.result }}
+          fetch-depth: 2
+      - name: Setup Node.js 18.x
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18.x
+      - name: Set up publish access
+        run: |
+          npm config set //registry.npmjs.org/:_authToken ${NPM_TOKEN}
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: Auto release preview
+        id: "autorelease"
+        run: |
+          yarn add @actions/core -W
+          yarn autorelease preview ${{ github.event.issue.number }}
+      - name: Post comment post release
+        if: always()
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          token: ${{ secrets.PUSH_TRANSLATIONS_COVERAGE_PAT }}
+          issue-number: ${{ github.event.issue.number }}
+          body: "@${{ github.event.comment.user.login }} ${{ steps.autorelease.outputs.result }}"
@@ -9,10 +9,10 @@ jobs:
    steps:
      - uses: actions/checkout@v2

-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v2
        with:
-          node-version: 20.x
+          node-version: 18.x

      - name: Install and lint
        run: |
@@ -14,10 +14,10 @@ jobs:
        with:
          token: ${{ secrets.PUSH_TRANSLATIONS_COVERAGE_PAT }}

-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v2
        with:
-          node-version: 20.x
+          node-version: 18.x

      - name: Create report file
        run: |
@@ -17,14 +17,9 @@ jobs:
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
      - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: excalidraw/excalidraw:latest
-          platforms: linux/amd64, linux/arm64, linux/arm/v7
@@ -10,10 +10,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v2
        with:
-          node-version: 20.x
+          node-version: 18.x
      - name: Install and build
        run: |
          yarn --frozen-lockfile
@@ -28,7 +28,7 @@ jobs:
          export SENTRY_RELEASE=$(sentry-cli releases propose-version)
          sentry-cli releases new $SENTRY_RELEASE --project $SENTRY_PROJECT
          sentry-cli releases set-commits --auto $SENTRY_RELEASE
-          sentry-cli sourcemaps upload --release $SENTRY_RELEASE --no-rewrite ./build/static/js/ --url-prefix "~/static/js"
+          sentry-cli releases files $SENTRY_RELEASE upload-sourcemaps --no-rewrite ./build/static/js/ --url-prefix "~/static/js"
          sentry-cli releases finalize $SENTRY_RELEASE
          sentry-cli releases deploys $SENTRY_RELEASE new -e production
        env:
@@ -11,10 +11,10 @@ jobs:
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v3
        with:
-          node-version: 20.x
+          node-version: 18.x
      - name: Install in packages/excalidraw
        run: yarn
        working-directory: packages/excalidraw
@@ -14,7 +14,7 @@ jobs:
      - name: "Install Node"
        uses: actions/setup-node@v2
        with:
-          node-version: "20.x"
+          node-version: "18.x"
      - name: "Install Deps"
        run: yarn install
      - name: "Test Coverage"
@@ -9,10 +9,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
-      - name: Setup Node.js
+      - name: Setup Node.js 18.x
        uses: actions/setup-node@v4
        with:
-          node-version: 20.x
+          node-version: 18.x
      - name: Install and test
        run: |
          yarn install
@@ -25,5 +25,4 @@ packages/excalidraw/types
 coverage
 dev-dist
 html
-meta*.json
-.claude
+meta*.json
@@ -0,0 +1 @@
+18
@@ -1,34 +0,0 @@
-# CLAUDE.md
-
-## Project Structure
-
-Excalidraw is a **monorepo** with a clear separation between the core library and the application:
-
- **`packages/excalidraw/`** - Main React component library published to npm as `@excalidraw/excalidraw`
- **`excalidraw-app/`** - Full-featured web application (excalidraw.com) that uses the library
- **`packages/`** - Core packages: `@excalidraw/common`, `@excalidraw/element`, `@excalidraw/math`, `@excalidraw/utils`
- **`examples/`** - Integration examples (NextJS, browser script)
-
-## Development Workflow
-
-1. **Package Development**: Work in `packages/*` for editor features
-2. **App Development**: Work in `excalidraw-app/` for app-specific features
-3. **Testing**: Always run `yarn test:update` before committing
-4. **Type Safety**: Use `yarn test:typecheck` to verify TypeScript
-
-## Development Commands
-
-```bash
-yarn test:typecheck  # TypeScript type checking
-yarn test:update     # Run all tests (with snapshot updates)
-yarn fix             # Auto-fix formatting and linting issues
-```
-
-## Architecture Notes
-
-### Package System
-
- Uses Yarn workspaces for monorepo management
- Internal packages use path aliases (see `vitest.config.mts`)
- Build system uses esbuild for packages, Vite for the app
- TypeScript throughout with strict configuration
@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} node:18 AS build
+FROM node:18 AS build

 WORKDIR /opt/node_app

@@ -6,14 +6,13 @@ COPY . .

 # do not ignore optional dependencies:
 # Error: Cannot find module @rollup/rollup-linux-x64-gnu
-RUN --mount=type=cache,target=/root/.cache/yarn \
-    npm_config_target_arch=${TARGETARCH} yarn --network-timeout 600000
+RUN yarn --network-timeout 600000

 ARG NODE_ENV=production

-RUN npm_config_target_arch=${TARGETARCH} yarn build:app:docker
+RUN yarn build:app:docker

-FROM --platform=${TARGETPLATFORM} nginx:1.27-alpine
+FROM nginx:1.27-alpine

 COPY --from=build /opt/node_app/excalidraw-app/build /usr/share/nginx/html

@@ -23,17 +23,20 @@
 <br />
 <p align="center">
  <a href="https://github.com/excalidraw/excalidraw/blob/master/LICENSE">
-    <img alt="Excalidraw is released under the MIT license." src="https://img.shields.io/badge/license-MIT-blue.svg"  /></a>
+    <img alt="Excalidraw is released under the MIT license." src="https://img.shields.io/badge/license-MIT-blue.svg"  />
+  </a>
  <a href="https://www.npmjs.com/package/@excalidraw/excalidraw">
-    <img alt="npm downloads/month" src="https://img.shields.io/npm/dm/@excalidraw/excalidraw"  /></a>
+    <img alt="npm downloads/month" src="https://img.shields.io/npm/dm/@excalidraw/excalidraw"  />
+  </a>
  <a href="https://docs.excalidraw.com/docs/introduction/contributing">
-    <img alt="PRs welcome!" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat"  /></a>
+    <img alt="PRs welcome!" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat"  />
+  </a>
  <a href="https://discord.gg/UexuTaE">
-    <img alt="Chat on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widge=false"/></a>
-  <a href="https://deepwiki.com/excalidraw/excalidraw">
-    <img alt="Ask DeepWiki" src="https://deepwiki.com/badge.svg" /></a>
+    <img alt="Chat on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widge=false"/>
+  </a>
  <a href="https://twitter.com/excalidraw">
-    <img alt="Follow Excalidraw on Twitter" src="https://img.shields.io/twitter/follow/excalidraw.svg?label=follow+@excalidraw&style=social&logo=twitter"/></a>
+    <img alt="Follow Excalidraw on Twitter" src="https://img.shields.io/twitter/follow/excalidraw.svg?label=follow+@excalidraw&style=social&logo=twitter"/>
+  </a>
 </p>

 <div align="center">
@@ -60,7 +63,7 @@ The Excalidraw editor (npm package) supports:
 - 🏗️&nbsp;Customizable.
 - 📷&nbsp;Image support.
 - 😀&nbsp;Shape libraries support.
- 🌐&nbsp;Localization (i18n) support.
+- 👅&nbsp;Localization (i18n) support.
 - 🖼️&nbsp;Export to PNG, SVG & clipboard.
 - 💾&nbsp;Open format - export drawings as an `.excalidraw` json file.
 - ⚒️&nbsp;Wide range of tools - rectangle, circle, diamond, arrow, line, free-draw, eraser...
@@ -2,14 +2,14 @@

 Earlier we were using `renderFooter` prop to render custom footer which was removed in [#5970](https://github.com/excalidraw/excalidraw/pull/5970). Now you can pass a `Footer` component instead to render the custom UI for footer.

-You will need to import the `Footer` component from the package and wrap your component with the Footer component. The `Footer` should be a valid React Node.
+You will need to import the `Footer` component from the package and wrap your component with the Footer component. The `Footer` should a valid React Node.

 **Usage**

 ```jsx live
 function App() {
  return (
-    <div style={{ height: "500px" }}>
+    <div style={{ height: "500px"}}>
      <Excalidraw>
        <Footer>
          <button
@@ -25,21 +25,21 @@ function App() {
 }
 ```

-This will only work for `Desktop` devices.
+This will only for `Desktop` devices.

-For `mobile` you will need to render it inside the [MainMenu](#mainmenu). You can use the [`useEditorInterface`](#useEditorInterface) hook to check the type of device, this will be available only inside the `children` of `Excalidraw` component.
+For `mobile` you will need to render it inside the [MainMenu](#mainmenu). You can use the [`useDevice`](#useDevice) hook to check the type of device, this will be available only inside the `children` of `Excalidraw` component.

 Open the `Menu` in the below playground and you will see the `custom footer` rendered.

 ```jsx live noInline
 const MobileFooter = ({}) => {
-  const editorInterface = useEditorInterface();
-  if (editorInterface.formFactor === "phone") {
+  const device = useDevice();
+  if (device.editor.isMobile) {
    return (
      <Footer>
        <button
          className="custom-footer"
-          style={{ marginLeft: "20px", height: "2rem" }}
+          style= {{ marginLeft: '20px', height: '2rem'}}
          onClick={() => alert("This is custom footer in mobile menu")}
        >
          custom footer
@@ -65,4 +65,4 @@ const App = () => (
 // Need to render when code is span across multiple components
 // in Live Code blocks editor
 render(<App />);
-```
+```
@@ -363,7 +363,13 @@ This API has the below signature. It sets the `tool` passed in param as the acti
 ```ts
 (
  tool: (
-    | { type: ToolType }
+    | (
+        | { type: Exclude<ToolType, "image"> }
+        | {
+            type: Extract<ToolType, "image">;
+            insertOnCanvasDirectly?: boolean;
+          }
+      )
    | { type: "custom"; customType: string }
  ) & { locked?: boolean },
 ) => {};
@@ -371,7 +377,7 @@ This API has the below signature. It sets the `tool` passed in param as the acti

 | Name | Type | Default | Description |
 | --- | --- | --- | --- |
-| `type` | [ToolType](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L91) | `selection` | The tool type which should be set as active tool |
+| `type` | [ToolType](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L91) | `selection` | The tool type which should be set as active tool. When setting `image` as active tool, the insertion onto canvas when using image tool is disabled by default, so you can enable it by setting `insertOnCanvasDirectly` to `true` |
 | `locked` | `boolean` | `false` | Indicates whether the the active tool should be locked. It behaves the same way when using the `lock` tool in the editor interface |

 ## setCursor
@@ -3,7 +3,7 @@
 All `props` are _optional_.

 | Name | Type | Default | Description |
-| --- | --- | --- | --- |
+| --- | --- | --- | --- | --- | --- | --- | --- | --- |
 | [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata) | `object` &#124; `null` &#124; <code>Promise<object &#124; null></code> | `null` | The initial data with which app loads. |
 | [`excalidrawAPI`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api) | `function` | \_ | Callback triggered with the excalidraw api once rendered |
 | [`isCollaborating`](#iscollaborating) | `boolean` | \_ | This indicates if the app is in `collaboration` mode |
@@ -13,7 +13,7 @@ All `props` are _optional_.
 | [`onScrollChange`](#onscrollchange) | `function` | \_ | This prop if passed gets triggered when scrolling the canvas. |
 | [`onPaste`](#onpaste) | `function` | \_ | Callback to be triggered if passed when something is pasted into the scene |
 | [`onLibraryChange`](#onlibrarychange) | `function` | \_ | The callback if supplied is triggered when the library is updated and receives the library items. |
-| [`generateLinkForSelection`](#generatelinkforselection) | `function` | \_ | Allows you to override `url` generation when linking to Excalidraw elements. |
+| [`generateLinkForSelection`](#generateLinkForSelection) | `function` | \_ | Allows you to override `url` generation when linking to Excalidraw elements. |
 | [`onLinkOpen`](#onlinkopen) | `function` | \_ | The callback if supplied is triggered when any link is opened. |
 | [`langCode`](#langcode) | `string` | `en` | Language code string to be used in Excalidraw |
 | [`renderTopRightUI`](/docs/@excalidraw/excalidraw/api/props/render-props#rendertoprightui) | `function` | \_ | Render function that renders custom UI in top right corner |
@@ -29,9 +29,8 @@ All `props` are _optional_.
 | [`handleKeyboardGlobally`](#handlekeyboardglobally) | `boolean` | `false` | Indicates whether to bind the keyboard events to document. |
 | [`autoFocus`](#autofocus) | `boolean` | `false` | Indicates whether to focus the Excalidraw component on page load |
 | [`generateIdForFile`](#generateidforfile) | `function` | \_ | Allows you to override `id` generation for files added on canvas |
-| [`validateEmbeddable`](#validateembeddable) | `string[]` \| `boolean` \| `RegExp` \| `RegExp[]` \| <code>((link: string) => boolean &#124; undefined)</code> | \_ | use for custom src url validation |
+| [`validateEmbeddable`](#validateEmbeddable) | string[] | `boolean | RegExp | RegExp[] | ((link: string) => boolean | undefined)` | \_ | use for custom src url validation |
 | [`renderEmbeddable`](/docs/@excalidraw/excalidraw/api/props/render-props#renderEmbeddable) | `function` | \_ | Render function that can override the built-in `<iframe>` |
-| [`renderScrollbars`] | `boolean`| | `false` | Indicates whether scrollbars will be shown

 ### Storing custom data on Excalidraw elements

@@ -292,7 +292,7 @@ viewportCoordsToSceneCoords(&#123; clientX: number, clientY: number },<br/>&nbsp
  appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a><br/>): &#123;x: number, y: number}
 </pre>

-### useEditorInterface
+### useDevice

 This hook can be used to check the type of device which is being used. It can only be used inside the `children` of `Excalidraw` component.

@@ -300,8 +300,8 @@ Open the `main menu` in the below example to view the footer.

 ```jsx live noInline
 const MobileFooter = ({}) => {
-  const editorInterface = useEditorInterface();
-  if (editorInterface.formFactor === "phone") {
+  const device = useDevice();
+  if (device.editor.isMobile) {
    return (
      <Footer>
        <button
@@ -336,20 +336,12 @@ render(<App />);
 The `device` has the following `attributes`, some grouped into `viewport` and `editor` objects, per context.

 | Name | Type | Description |
-| ---- | ---- | ----------- |
-
-The `EditorInterface` object has the following properties:
-
-| Name | Type | Description |
-| --- | --- | --- | --- | --- | --- |
-| `formFactor` | `'phone' | 'tablet' | 'desktop'` | Indicates the device type based on screen size |
-| `desktopUIMode` | `'compact' | 'full'` | UI mode for desktop form factor |
-| `userAgent.raw` | `string` | Raw user agent string |
-| `userAgent.isMobileDevice` | `boolean` | True if device is mobile |
-| `userAgent.platform` | `'ios' | 'android' | 'other' | 'unknown'` | Device platform |
-| `isTouchScreen` | `boolean` | True if touch events are detected |
-| `canFitSidebar` | `boolean` | True if sidebar can fit in the viewport |
-| `isLandscape` | `boolean` | True if viewport is in landscape mode |
+| --- | --- | --- |
+| `viewport.isMobile` | `boolean` | Set to `true` when viewport is in `mobile` breakpoint |
+| `viewport.isLandscape` | `boolean` | Set to `true` when the viewport is in `landscape` mode |
+| `editor.canFitSidebar` | `boolean` | Set to `true` if there's enough space to fit the `sidebar` |
+| `editor.isMobile` | `boolean` | Set to `true` when editor container is in `mobile` breakpoint |
+| `isTouchScreen` | `boolean` | Set to `true` for `touch` when touch event detected |

 ### i18n

@@ -28,12 +28,32 @@ To start the example app using the `@excalidraw/excalidraw` package, follow the

 ## Releasing

+### Create a test release
+
+You can create a test release by posting the below comment in your pull request:
+
+```bash
+@excalibot trigger release
+```
+
+Once the version is released `@excalibot` will post a comment with the release version.
+
 ### Creating a production release

 To release the next stable version follow the below steps:

 ```bash
-yarn release --tag=latest --version=0.19.0
+yarn prerelease:excalidraw
 ```

-You will need to pass the `latest` tag with `version` for which you want to create the release. This will make the changes needed before publishing the packages into NPM, like updating dependencies of all `@excalidraw/*` packages, generating new entries in `CHANGELOG.md` and more.
+You need to pass the `version` for which you want to create the release. This will make the changes needed before making the release like updating `package.json`, `changelog` and more.
+
+The next step is to run the `release` script:
+
+```bash
+yarn release:excalidraw
+```
+
+This will publish the package.
+
+Right now there are two steps to create a production release but once this works fine these scripts will be combined and more automation will be done.
@@ -38,8 +38,6 @@ If you want to only import `Excalidraw` component you can do :point_down:

 ```jsx showLineNumbers
 import dynamic from "next/dynamic";
-import "@excalidraw/excalidraw/index.css";
-
 const Excalidraw = dynamic(
  async () => (await import("@excalidraw/excalidraw")).Excalidraw,
  {
@@ -1,6 +1,5 @@
-import clsx from "clsx";
 import React from "react";
-
+import clsx from "clsx";
 import styles from "./styles.module.css";

 const FeatureList = [
@@ -1,6 +1,5 @@
-import clsx from "clsx";
 import React from "react";
-
+import clsx from "clsx";
 import styles from "./styles.module.css";

 type FeatureItem = {
@@ -1,11 +1,10 @@
+import React from "react";
+import clsx from "clsx";
+import Layout from "@theme/Layout";
 import Link from "@docusaurus/Link";
 import useDocusaurusContext from "@docusaurus/useDocusaurusContext";
-import HomepageFeatures from "@site/src/components/Homepage";
-import Layout from "@theme/Layout";
-import clsx from "clsx";
-import React from "react";
-
 import styles from "./index.module.css";
+import HomepageFeatures from "@site/src/components/Homepage";

 function HomepageHeader() {
  const { siteConfig } = useDocusaurusContext();
@@ -1,6 +1,6 @@
 // Import the original mapper
-import Highlight from "@site/src/components/Highlight";
 import MDXComponents from "@theme-original/MDXComponents";
+import Highlight from "@site/src/components/Highlight";

 export default {
  // Re-use the default mapping
@@ -33,7 +33,6 @@ const ExcalidrawScope = {
  initialData,
  useI18n: ExcalidrawComp.useI18n,
  convertToExcalidrawElements: ExcalidrawComp.convertToExcalidrawElements,
-  CaptureUpdateAction: ExcalidrawComp.CaptureUpdateAction,
 };

 export default ExcalidrawScope;
@@ -1,3 +1,5 @@
+version: "3.8"
+
 services:
  excalidraw:
    build:
@@ -3,8 +3,7 @@
  "version": "0.1.0",
  "private": true,
  "scripts": {
-    "build:packages": "yarn --cwd ../../ build:packages",
-    "build:workspace": "yarn build:packages && yarn copy:assets",
+    "build:workspace": "yarn workspace @excalidraw/excalidraw run build:esm && yarn copy:assets",
    "copy:assets": "cp -r ../../packages/excalidraw/dist/prod/fonts ./public",
    "dev": "yarn build:workspace && next dev -p 3005",
    "build": "yarn build:workspace && next build",
@@ -1,6 +1,5 @@
 import dynamic from "next/dynamic";
 import Script from "next/script";
-
 import "../common.scss";

 // Since client components get prerenderd on server as well hence importing the excalidraw stuff dynamically
@@ -1,11 +1,10 @@
 "use client";
 import * as excalidrawLib from "@excalidraw/excalidraw";
 import { Excalidraw } from "@excalidraw/excalidraw";
+import App from "../../with-script-in-browser/components/ExampleApp";

 import "@excalidraw/excalidraw/index.css";

-import App from "../../with-script-in-browser/components/ExampleApp";
-
 const ExcalidrawWrapper: React.FC = () => {
  return (
    <>
@@ -1,5 +1,4 @@
 import dynamic from "next/dynamic";
-
 import "../common.scss";

 // Since client components get prerenderd on server as well hence importing the excalidraw stuff dynamically
@@ -1,5 +1,4 @@
 import React from "react";
-
 import type * as TExcalidraw from "@excalidraw/excalidraw";
 import type { ExcalidrawImperativeAPI } from "@excalidraw/excalidraw/types";

@@ -52,7 +52,7 @@
  transform: none;
 }

-.excalidraw .selected-shape-actions {
+.excalidraw .panelColumn {
  text-align: left;
 }

@@ -1,4 +1,3 @@
-import { nanoid } from "nanoid";
 import React, {
  useEffect,
  useState,
@@ -7,24 +6,13 @@ import React, {
  Children,
  cloneElement,
 } from "react";
+import ExampleSidebar from "./sidebar/ExampleSidebar";

 import type * as TExcalidraw from "@excalidraw/excalidraw";
-import type { ImportedLibraryData } from "@excalidraw/excalidraw/data/types";
-import type {
-  NonDeletedExcalidrawElement,
-  Theme,
-} from "@excalidraw/excalidraw/element/types";
-import type {
-  AppState,
-  BinaryFileData,
-  ExcalidrawImperativeAPI,
-  ExcalidrawInitialDataState,
-  Gesture,
-  LibraryItems,
-  PointerDownState as ExcalidrawPointerDownState,
-} from "@excalidraw/excalidraw/types";

-import initialData from "../initialData";
+import { nanoid } from "nanoid";
+
+import type { ResolvablePromise } from "../utils";
 import {
  resolvablePromise,
  distance2d,
@@ -35,12 +23,25 @@ import {

 import CustomFooter from "./CustomFooter";
 import MobileFooter from "./MobileFooter";
-import ExampleSidebar from "./sidebar/ExampleSidebar";
+import initialData from "../initialData";
+
+import type {
+  AppState,
+  BinaryFileData,
+  ExcalidrawImperativeAPI,
+  ExcalidrawInitialDataState,
+  Gesture,
+  LibraryItems,
+  PointerDownState as ExcalidrawPointerDownState,
+} from "@excalidraw/excalidraw/types";
+import type {
+  NonDeletedExcalidrawElement,
+  Theme,
+} from "@excalidraw/excalidraw/element/types";
+import type { ImportedLibraryData } from "@excalidraw/excalidraw/data/types";

 import "./ExampleApp.scss";

-import type { ResolvablePromise } from "../utils";
-
 type Comment = {
  x: number;
  y: number;
@@ -104,7 +105,6 @@ export default function ExampleApp({
  const [viewModeEnabled, setViewModeEnabled] = useState(false);
  const [zenModeEnabled, setZenModeEnabled] = useState(false);
  const [gridModeEnabled, setGridModeEnabled] = useState(false);
-  const [renderScrollbars, setRenderScrollbars] = useState(false);
  const [blobUrl, setBlobUrl] = useState<string>("");
  const [canvasUrl, setCanvasUrl] = useState<string>("");
  const [exportWithDarkMode, setExportWithDarkMode] = useState(false);
@@ -193,7 +193,6 @@ export default function ExampleApp({
        }) => setPointerData(payload),
        viewModeEnabled,
        zenModeEnabled,
-        renderScrollbars,
        gridModeEnabled,
        theme,
        name: "Custom name of drawing",
@@ -712,14 +711,6 @@ export default function ExampleApp({
            />
            Grid mode
          </label>
-          <label>
-            <input
-              type="checkbox"
-              checked={renderScrollbars}
-              onChange={() => setRenderScrollbars(!renderScrollbars)}
-            />
-            Render scrollbars
-          </label>
          <label>
            <input
              type="checkbox"
@@ -1,9 +1,7 @@
 import React from "react";
-
-import type * as TExcalidraw from "@excalidraw/excalidraw";
 import type { ExcalidrawImperativeAPI } from "@excalidraw/excalidraw/types";
-
 import CustomFooter from "./CustomFooter";
+import type * as TExcalidraw from "@excalidraw/excalidraw";

 const MobileFooter = ({
  excalidrawAPI,
@@ -12,10 +10,10 @@ const MobileFooter = ({
  excalidrawAPI: ExcalidrawImperativeAPI;
  excalidrawLib: typeof TExcalidraw;
 }) => {
-  const { useEditorInterface, Footer } = excalidrawLib;
+  const { useDevice, Footer } = excalidrawLib;

-  const editorInterface = useEditorInterface();
-  if (editorInterface.formFactor === "phone") {
+  const device = useDevice();
+  if (device.editor.isMobile) {
    return (
      <Footer>
        <CustomFooter
@@ -1,5 +1,4 @@
 import React, { useState } from "react";
-
 import "./ExampleSidebar.scss";

 export default function Sidebar({ children }: { children: React.ReactNode }) {
@@ -1,11 +1,10 @@
+import App from "./components/ExampleApp";
 import React, { StrictMode } from "react";
 import { createRoot } from "react-dom/client";

-import "@excalidraw/excalidraw/index.css";
-
 import type * as TExcalidraw from "@excalidraw/excalidraw";

-import App from "./components/ExampleApp";
+import "@excalidraw/excalidraw/index.css";

 declare global {
  interface Window {
@@ -3,20 +3,19 @@
  "version": "1.0.0",
  "private": true,
  "dependencies": {
-    "@excalidraw/excalidraw": "*",
-    "browser-fs-access": "0.38.0",
    "react": "19.0.0",
-    "react-dom": "19.0.0"
+    "react-dom": "19.0.0",
+    "@excalidraw/excalidraw": "*",
+    "browser-fs-access": "0.29.1"
  },
  "devDependencies": {
-    "typescript": "^5",
-    "vite": "5.0.12"
+    "vite": "5.0.12",
+    "typescript": "^5"
  },
  "scripts": {
    "start": "vite",
    "build": "vite build",
-    "preview": "vite preview --port 5002",
-    "build:preview": "yarn build && yarn preview",
-    "build:packages": "yarn --cwd ../../ build:packages"
+    "build:preview": "yarn build && vite preview --port 5002",
+    "build:package": "yarn workspace @excalidraw/excalidraw run build:esm"
  }
 }
@@ -1,9 +1,11 @@
-import { MIME_TYPES } from "@excalidraw/excalidraw";
-import { fileOpen as _fileOpen } from "browser-fs-access";
 import { unstable_batchedUpdates } from "react-dom";
+import { fileOpen as _fileOpen } from "browser-fs-access";
+import { MIME_TYPES } from "@excalidraw/excalidraw";

 type FILE_EXTENSION = Exclude<keyof typeof MIME_TYPES, "binary">;

+const INPUT_CHANGE_INTERVAL_MS = 500;
+
 export type ResolvablePromise<T> = Promise<T> & {
  resolve: [T] extends [undefined] ? (value?: T) => void : (value: T) => void;
  reject: (error: Error) => void;
@@ -52,6 +54,40 @@ export const fileOpen = <M extends boolean | undefined = false>(opts: {
    extensions,
    mimeTypes,
    multiple: opts.multiple ?? false,
+    legacySetup: (resolve, reject, input) => {
+      const scheduleRejection = debounce(reject, INPUT_CHANGE_INTERVAL_MS);
+      const focusHandler = () => {
+        checkForFile();
+        document.addEventListener("keyup", scheduleRejection);
+        document.addEventListener("pointerup", scheduleRejection);
+        scheduleRejection();
+      };
+      const checkForFile = () => {
+        // this hack might not work when expecting multiple files
+        if (input.files?.length) {
+          const ret = opts.multiple ? [...input.files] : input.files[0];
+          resolve(ret as RetType);
+        }
+      };
+      requestAnimationFrame(() => {
+        window.addEventListener("focus", focusHandler);
+      });
+      const interval = window.setInterval(() => {
+        checkForFile();
+      }, INPUT_CHANGE_INTERVAL_MS);
+      return (rejectPromise) => {
+        clearInterval(interval);
+        scheduleRejection.cancel();
+        window.removeEventListener("focus", focusHandler);
+        document.removeEventListener("keyup", scheduleRejection);
+        document.removeEventListener("pointerup", scheduleRejection);
+        if (rejectPromise) {
+          // so that something is shown in console if we need to debug this
+          console.warn("Opening the file was canceled (legacy-fs).");
+          rejectPromise(new Error("Request Aborted"));
+        }
+      };
+    },
  }) as Promise<RetType>;
 };

@@ -1,5 +1,5 @@
 {
  "outputDirectory": "dist",
  "installCommand": "yarn install",
-  "buildCommand": "yarn build:packages && yarn build"
+  "buildCommand": "yarn build:package && yarn build"
 }
@@ -1,29 +1,40 @@
+import polyfill from "@excalidraw/excalidraw/polyfill";
+import { useCallback, useEffect, useRef, useState } from "react";
+import { trackEvent } from "@excalidraw/excalidraw/analytics";
+import { getDefaultAppState } from "@excalidraw/excalidraw/appState";
+import { ErrorDialog } from "@excalidraw/excalidraw/components/ErrorDialog";
+import { TopErrorBoundary } from "./components/TopErrorBoundary";
+import {
+  APP_NAME,
+  EVENT,
+  THEME,
+  TITLE_TIMEOUT,
+  VERSION_TIMEOUT,
+} from "@excalidraw/excalidraw/constants";
+import { loadFromBlob } from "@excalidraw/excalidraw/data/blob";
+import type {
+  FileId,
+  NonDeletedExcalidrawElement,
+  OrderedExcalidrawElement,
+} from "@excalidraw/excalidraw/element/types";
+import { useCallbackRefState } from "@excalidraw/excalidraw/hooks/useCallbackRefState";
+import { t } from "@excalidraw/excalidraw/i18n";
 import {
  Excalidraw,
  LiveCollaborationTrigger,
  TTDDialogTrigger,
  CaptureUpdateAction,
  reconcileElements,
-  useEditorInterface,
-  ExcalidrawAPIProvider,
-  useExcalidrawAPI,
 } from "@excalidraw/excalidraw";
-import { trackEvent } from "@excalidraw/excalidraw/analytics";
-import { getDefaultAppState } from "@excalidraw/excalidraw/appState";
+import type {
+  AppState,
+  ExcalidrawImperativeAPI,
+  BinaryFiles,
+  ExcalidrawInitialDataState,
+  UIAppState,
+} from "@excalidraw/excalidraw/types";
+import type { ResolvablePromise } from "@excalidraw/excalidraw/utils";
 import {
-  CommandPalette,
-  DEFAULT_CATEGORIES,
-} from "@excalidraw/excalidraw/components/CommandPalette/CommandPalette";
-import { ErrorDialog } from "@excalidraw/excalidraw/components/ErrorDialog";
-import { OverwriteConfirmDialog } from "@excalidraw/excalidraw/components/OverwriteConfirm/OverwriteConfirm";
-import { openConfirmModal } from "@excalidraw/excalidraw/components/OverwriteConfirm/OverwriteConfirmState";
-import { ShareableLinkDialog } from "@excalidraw/excalidraw/components/ShareableLinkDialog";
-import Trans from "@excalidraw/excalidraw/components/Trans";
-import {
-  APP_NAME,
-  EVENT,
-  THEME,
-  VERSION_TIMEOUT,
  debounce,
  getVersion,
  getFrame,
@@ -31,13 +42,75 @@ import {
  preventUnload,
  resolvablePromise,
  isRunningInIframe,
-  isDevEnv,
-} from "@excalidraw/common";
-import polyfill from "@excalidraw/excalidraw/polyfill";
-import { useCallback, useEffect, useRef, useState } from "react";
-import { loadFromBlob } from "@excalidraw/excalidraw/data/blob";
-import { t } from "@excalidraw/excalidraw/i18n";
+} from "@excalidraw/excalidraw/utils";
+import {
+  FIREBASE_STORAGE_PREFIXES,
+  isExcalidrawPlusSignedUser,
+  STORAGE_KEYS,
+  SYNC_BROWSER_TABS_TIMEOUT,
+} from "./app_constants";
+import type { CollabAPI } from "./collab/Collab";
+import Collab, {
+  collabAPIAtom,
+  isCollaboratingAtom,
+  isOfflineAtom,
+} from "./collab/Collab";
+import {
+  exportToBackend,
+  getCollaborationLinkData,
+  isCollaborationLink,
+  loadScene,
+} from "./data";
+import {
+  importFromLocalStorage,
+  importUsernameFromLocalStorage,
+} from "./data/localStorage";
+import CustomStats from "./CustomStats";
+import type { RestoredDataState } from "@excalidraw/excalidraw/data/restore";
+import { restore, restoreAppState } from "@excalidraw/excalidraw/data/restore";
+import {
+  ExportToExcalidrawPlus,
+  exportToExcalidrawPlus,
+} from "./components/ExportToExcalidrawPlus";
+import { updateStaleImageStatuses } from "./data/FileManager";
+import { newElementWith } from "@excalidraw/excalidraw/element/mutateElement";
+import { isInitializedImageElement } from "@excalidraw/excalidraw/element/typeChecks";
+import { loadFilesFromFirebase } from "./data/firebase";
+import {
+  LibraryIndexedDBAdapter,
+  LibraryLocalStorageMigrationAdapter,
+  LocalData,
+} from "./data/LocalData";
+import { isBrowserStorageStateNewer } from "./data/tabSync";
+import clsx from "clsx";
+import {
+  parseLibraryTokensFromUrl,
+  useHandleLibrary,
+} from "@excalidraw/excalidraw/data/library";
+import { AppMainMenu } from "./components/AppMainMenu";
+import { AppWelcomeScreen } from "./components/AppWelcomeScreen";
+import { AppFooter } from "./components/AppFooter";
+import {
+  Provider,
+  useAtom,
+  useAtomValue,
+  useAtomWithInitialValue,
+  appJotaiStore,
+} from "./app-jotai";

+import "./index.scss";
+import type { ResolutionType } from "@excalidraw/excalidraw/utility-types";
+import { ShareableLinkDialog } from "@excalidraw/excalidraw/components/ShareableLinkDialog";
+import { openConfirmModal } from "@excalidraw/excalidraw/components/OverwriteConfirm/OverwriteConfirmState";
+import { OverwriteConfirmDialog } from "@excalidraw/excalidraw/components/OverwriteConfirm/OverwriteConfirm";
+import Trans from "@excalidraw/excalidraw/components/Trans";
+import { ShareDialog, shareDialogStateAtom } from "./share/ShareDialog";
+import CollabError, { collabErrorIndicatorAtom } from "./collab/CollabError";
+import type { RemoteExcalidrawElement } from "@excalidraw/excalidraw/data/reconcile";
+import {
+  CommandPalette,
+  DEFAULT_CATEGORIES,
+} from "@excalidraw/excalidraw/components/CommandPalette/CommandPalette";
 import {
  GithubIcon,
  XBrandIcon,
@@ -48,90 +121,6 @@ import {
  share,
  youtubeIcon,
 } from "@excalidraw/excalidraw/components/icons";
-import { isElementLink } from "@excalidraw/element";
-import {
-  bumpElementVersions,
-  restoreAppState,
-  restoreElements,
-} from "@excalidraw/excalidraw/data/restore";
-import { newElementWith } from "@excalidraw/element";
-import { isInitializedImageElement } from "@excalidraw/element";
-import clsx from "clsx";
-import {
-  parseLibraryTokensFromUrl,
-  useHandleLibrary,
-} from "@excalidraw/excalidraw/data/library";
-
-import type { RemoteExcalidrawElement } from "@excalidraw/excalidraw/data/reconcile";
-import type { RestoredDataState } from "@excalidraw/excalidraw/data/restore";
-import type {
-  FileId,
-  NonDeletedExcalidrawElement,
-  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
-import type {
-  AppState,
-  ExcalidrawImperativeAPI,
-  BinaryFiles,
-  ExcalidrawInitialDataState,
-  UIAppState,
-  ExcalidrawProps,
-} from "@excalidraw/excalidraw/types";
-import type { ResolutionType } from "@excalidraw/common/utility-types";
-import type { ResolvablePromise } from "@excalidraw/common/utils";
-
-import CustomStats from "./CustomStats";
-import {
-  Provider,
-  useAtom,
-  useAtomValue,
-  useAtomWithInitialValue,
-  appJotaiStore,
-} from "./app-jotai";
-import {
-  FIREBASE_STORAGE_PREFIXES,
-  isExcalidrawPlusSignedUser,
-  STORAGE_KEYS,
-  SYNC_BROWSER_TABS_TIMEOUT,
-} from "./app_constants";
-import Collab, {
-  collabAPIAtom,
-  isCollaboratingAtom,
-  isOfflineAtom,
-} from "./collab/Collab";
-import { AppFooter } from "./components/AppFooter";
-import { AppMainMenu } from "./components/AppMainMenu";
-import { AppWelcomeScreen } from "./components/AppWelcomeScreen";
-import {
-  ExportToExcalidrawPlus,
-  exportToExcalidrawPlus,
-} from "./components/ExportToExcalidrawPlus";
-import { TopErrorBoundary } from "./components/TopErrorBoundary";
-
-import {
-  exportToBackend,
-  getCollaborationLinkData,
-  importFromBackend,
-  isCollaborationLink,
-} from "./data";
-
-import { updateStaleImageStatuses } from "./data/FileManager";
-import { FileStatusStore } from "./data/fileStatusStore";
-import {
-  importFromLocalStorage,
-  importUsernameFromLocalStorage,
-} from "./data/localStorage";
-
-import { loadFilesFromFirebase } from "./data/firebase";
-import {
-  LibraryIndexedDBAdapter,
-  LibraryLocalStorageMigrationAdapter,
-  LocalData,
-  localStorageQuotaExceededAtom,
-} from "./data/LocalData";
-import { isBrowserStorageStateNewer } from "./data/tabSync";
-import { ShareDialog, shareDialogStateAtom } from "./share/ShareDialog";
-import CollabError, { collabErrorIndicatorAtom } from "./collab/CollabError";
 import { useHandleAppTheme } from "./useHandleAppTheme";
 import { getPreferredLanguage } from "./app-language/language-detector";
 import { useAppLangCode } from "./app-language/language-state";
@@ -142,13 +131,7 @@ import DebugCanvas, {
 } from "./components/DebugCanvas";
 import { AIComponents } from "./components/AI";
 import { ExcalidrawPlusIframeExport } from "./ExcalidrawPlusIframeExport";
-
-import "./index.scss";
-
-import { ExcalidrawPlusPromoBanner } from "./components/ExcalidrawPlusPromoBanner";
-import { AppSidebar } from "./components/AppSidebar";
-
-import type { CollabAPI } from "./collab/Collab";
+import { isElementLink } from "@excalidraw/excalidraw/element/elementLink";

 polyfill();

@@ -231,20 +214,9 @@ const initializeScene = async (opts: {

  const localDataState = importFromLocalStorage();

-  let scene: Omit<
-    RestoredDataState,
-    // we're not storing files in the scene database/localStorage, and instead
-    // fetch them async from a different store
-    "files"
-  > & {
+  let scene: RestoredDataState & {
    scrollToContent?: boolean;
-  } = {
-    elements: restoreElements(localDataState?.elements, null, {
-      repairBindings: true,
-      deleteInvisibleElements: true,
-    }),
-    appState: restoreAppState(localDataState?.appState, null),
-  };
+  } = await loadScene(null, null, localDataState);

  let roomLinkData = getCollaborationLinkData(window.location.href);
  const isExternalScene = !!(id || jsonBackendMatch || roomLinkData);
@@ -258,26 +230,11 @@ const initializeScene = async (opts: {
      (await openConfirmModal(shareableLinkConfirmDialog))
    ) {
      if (jsonBackendMatch) {
-        const imported = await importFromBackend(
+        scene = await loadScene(
          jsonBackendMatch[1],
          jsonBackendMatch[2],
+          localDataState,
        );
-
-        scene = {
-          elements: bumpElementVersions(
-            restoreElements(imported.elements, null, {
-              repairBindings: true,
-              deleteInvisibleElements: true,
-            }),
-            localDataState?.elements,
-          ),
-          appState: restoreAppState(
-            imported.appState,
-            // local appState when importing from backend to ensure we restore
-            // localStorage user settings which we do not persist on server.
-            localDataState?.appState,
-          ),
-        };
      }
      scene.scrollToContent = true;
      if (!roomLinkData) {
@@ -372,8 +329,6 @@ const initializeScene = async (opts: {
 };

 const ExcalidrawWrapper = () => {
-  const excalidrawAPI = useExcalidrawAPI();
-
  const [errorMessage, setErrorMessage] = useState("");
  const isCollabDisabled = isRunningInIframe();

@@ -381,8 +336,6 @@ const ExcalidrawWrapper = () => {

  const [langCode, setLangCode] = useAppLangCode();

-  const editorInterface = useEditorInterface();
-
  // initial state
  // ---------------------------------------------------------------------------

@@ -404,6 +357,9 @@ const ExcalidrawWrapper = () => {
    }, VERSION_TIMEOUT);
  }, []);

+  const [excalidrawAPI, excalidrawRefCallback] =
+    useCallbackRefState<ExcalidrawImperativeAPI>();
+
  const [, setShareDialogState] = useAtom(shareDialogStateAtom);
  const [collabAPI] = useAtom(collabAPIAtom);
  const [isCollaborating] = useAtomWithInitialValue(isCollaboratingAtom, () => {
@@ -421,7 +377,7 @@ const ExcalidrawWrapper = () => {
  const [, forceRefresh] = useState(false);

  useEffect(() => {
-    if (isDevEnv()) {
+    if (import.meta.env.DEV) {
      const debugState = loadSavedDebugState();

      if (debugState.enabled && !window.visualDebug) {
@@ -435,15 +391,18 @@ const ExcalidrawWrapper = () => {
    }
  }, [excalidrawAPI]);

-  // ---------------------------------------------------------------------------
-  // Hoisted loadImages
-  // ---------------------------------------------------------------------------
-  const loadImages = useCallback(
-    (data: ResolutionType<typeof initializeScene>, isInitialLoad = false) => {
-      if (!data.scene || !excalidrawAPI) {
+  useEffect(() => {
+    if (!excalidrawAPI || (!isCollabDisabled && !collabAPI)) {
+      return;
+    }
+
+    const loadImages = (
+      data: ResolutionType<typeof initializeScene>,
+      isInitialLoad = false,
+    ) => {
+      if (!data.scene) {
        return;
      }
-
      if (collabAPI?.isCollaborating()) {
        if (data.scene.elements) {
          collabAPI
@@ -470,12 +429,6 @@ const ExcalidrawWrapper = () => {
          }, [] as FileId[]) || [];

        if (data.isExternalScene) {
-          if (fileIds.length) {
-            // Direct Firebase call (not through FileManager), so track manually
-            FileStatusStore.updateStatuses(
-              fileIds.map((id) => [id, "loading"]),
-            );
-          }
          loadFilesFromFirebase(
            `${FIREBASE_STORAGE_PREFIXES.shareLinkFiles}/${data.id}`,
            data.key,
@@ -487,18 +440,12 @@ const ExcalidrawWrapper = () => {
              erroredFiles,
              elements: excalidrawAPI.getSceneElementsIncludingDeleted(),
            });
-            FileStatusStore.updateStatuses([
-              ...loadedFiles.map((f) => [f.id, "loaded"] as [FileId, "loaded"]),
-              ...[...erroredFiles.keys()].map(
-                (id) => [id, "error"] as [FileId, "error"],
-              ),
-            ]);
          });
        } else if (isInitialLoad) {
          if (fileIds.length) {
            LocalData.fileStorage
              .getFiles(fileIds)
-              .then(async ({ loadedFiles, erroredFiles }) => {
+              .then(({ loadedFiles, erroredFiles }) => {
                if (loadedFiles.length) {
                  excalidrawAPI.addFiles(loadedFiles);
                }
@@ -511,19 +458,10 @@ const ExcalidrawWrapper = () => {
          }
          // on fresh load, clear unused files from IDB (from previous
          // session)
-          LocalData.fileStorage.clearObsoleteFiles({
-            currentFileIds: fileIds,
-          });
+          LocalData.fileStorage.clearObsoleteFiles({ currentFileIds: fileIds });
        }
      }
-    },
-    [collabAPI, excalidrawAPI],
-  );
-
-  useEffect(() => {
-    if (!excalidrawAPI || (!isCollabDisabled && !collabAPI)) {
-      return;
-    }
+    };

    initializeScene({ collabAPI, excalidrawAPI }).then(async (data) => {
      loadImages(data, /* isInitialLoad */ true);
@@ -546,10 +484,8 @@ const ExcalidrawWrapper = () => {
          loadImages(data);
          if (data.scene) {
            excalidrawAPI.updateScene({
-              elements: restoreElements(data.scene.elements, null, {
-                repairBindings: true,
-              }),
-              appState: restoreAppState(data.scene.appState, null),
+              ...data.scene,
+              ...restore(data.scene, null, null, { repairBindings: true }),
              captureUpdate: CaptureUpdateAction.IMMEDIATELY,
            });
          }
@@ -557,6 +493,11 @@ const ExcalidrawWrapper = () => {
      }
    };

+    const titleTimeout = setTimeout(
+      () => (document.title = APP_NAME),
+      TITLE_TIMEOUT,
+    );
+
    const syncData = debounce(() => {
      if (isTestEnv()) {
        return;
@@ -647,8 +588,9 @@ const ExcalidrawWrapper = () => {
        visibilityChange,
        false,
      );
+      clearTimeout(titleTimeout);
    };
-  }, [isCollabDisabled, collabAPI, excalidrawAPI, setLangCode, loadImages]);
+  }, [isCollabDisabled, collabAPI, excalidrawAPI, setLangCode]);

  useEffect(() => {
    const unloadHandler = (event: BeforeUnloadEvent) => {
@@ -660,13 +602,7 @@ const ExcalidrawWrapper = () => {
          excalidrawAPI.getSceneElements(),
        )
      ) {
-        if (import.meta.env.VITE_APP_DISABLE_PREVENT_UNLOAD !== "true") {
-          preventUnload(event);
-        } else {
-          console.warn(
-            "preventing unload disabled (VITE_APP_DISABLE_PREVENT_UNLOAD)",
-          );
-        }
+        preventUnload(event);
      }
    };
    window.addEventListener(EVENT.BEFORE_UNLOAD, unloadHandler);
@@ -721,8 +657,8 @@ const ExcalidrawWrapper = () => {
      debugRenderer(
        debugCanvasRef.current,
        appState,
-        elements,
        window.devicePixelRatio,
+        () => forceRefresh((prev) => !prev),
      );
    }
  };
@@ -786,63 +722,11 @@ const ExcalidrawWrapper = () => {

  const isOffline = useAtomValue(isOfflineAtom);

-  const localStorageQuotaExceeded = useAtomValue(localStorageQuotaExceededAtom);
-
  const onCollabDialogOpen = useCallback(
    () => setShareDialogState({ isOpen: true, type: "collaborationOnly" }),
    [setShareDialogState],
  );

-  // ---------------------------------------------------------------------------
-  // onExport — intercepts file save to wait for pending image loads
-  // ---------------------------------------------------------------------------
-  const onExport: Required<ExcalidrawProps>["onExport"] = useCallback(
-    async function* () {
-      let snapshot = FileStatusStore.getSnapshot();
-      const { pending, total } = FileStatusStore.getPendingCount(
-        snapshot.value,
-      );
-      if (pending === 0) {
-        return;
-      }
-
-      // Yield initial progress
-      yield {
-        type: "progress",
-        progress: (total - pending) / total,
-        message: `Loading images (${total - pending}/${total})...`,
-      };
-
-      // Wait for all pending images to finish
-      while (true) {
-        snapshot = await FileStatusStore.pull(snapshot.version);
-        const { pending: nowPending, total: nowTotal } =
-          FileStatusStore.getPendingCount(snapshot.value);
-
-        yield {
-          type: "progress",
-          progress: (nowTotal - nowPending) / nowTotal,
-          message: `Loading images (${nowTotal - nowPending}/${nowTotal})...`,
-        };
-
-        if (nowPending === 0) {
-          await new Promise((r) => setTimeout(r, 500));
-          yield {
-            type: "progress",
-            message: `Preparing export...`,
-          };
-          return;
-        }
-      }
-    },
-    [],
-  );
-
-  // const onExport = () => {
-  //   return new Promise((r) => setTimeout(r, 2500));
-  //   // console.log("onExport");
-  // };
-
  // browsers generally prevent infinite self-embedding, there are
  // cases where it still happens, and while we disallow self-embedding
  // by not whitelisting our own origin, this serves as an additional guard
@@ -909,8 +793,8 @@ const ExcalidrawWrapper = () => {
      })}
    >
      <Excalidraw
+        excalidrawAPI={excalidrawRefCallback}
        onChange={onChange}
-        onExport={onExport}
        initialData={initialStatePromiseRef.current.promise}
        isCollaborating={isCollaborating}
        onPointerUpdate={collabAPI?.onPointerUpdate}
@@ -956,22 +840,14 @@ const ExcalidrawWrapper = () => {
          if (isMobile || !collabAPI || isCollabDisabled) {
            return null;
          }
-
          return (
-            <div className="excalidraw-ui-top-right">
-              {excalidrawAPI?.getEditorInterface().formFactor === "desktop" && (
-                <ExcalidrawPlusPromoBanner
-                  isSignedIn={isExcalidrawPlusSignedUser}
-                />
-              )}
-
+            <div className="top-right-ui">
              {collabError.message && <CollabError collabError={collabError} />}
              <LiveCollaborationTrigger
                isCollaborating={isCollaborating}
                onSelect={() =>
                  setShareDialogState({ isOpen: true, type: "share" })
                }
-                editorInterface={editorInterface}
              />
            </div>
          );
@@ -1020,15 +896,10 @@ const ExcalidrawWrapper = () => {

        <TTDDialogTrigger />
        {isCollaborating && isOffline && (
-          <div className="alertalert--warning">
+          <div className="collab-offline-warning">
            {t("alerts.collabOfflineWarning")}
          </div>
        )}
-        {localStorageQuotaExceeded && (
-          <div className="alert alert--danger">
-            {t("alerts.localStorageQuotaExceeded")}
-          </div>
-        )}
        {latestShareableLink && (
          <ShareableLinkDialog
            link={latestShareableLink}
@@ -1057,8 +928,6 @@ const ExcalidrawWrapper = () => {
          }}
        />

-        <AppSidebar />
-
        {errorMessage && (
          <ErrorDialog onClose={() => setErrorMessage("")}>
            {errorMessage}
@@ -1276,9 +1145,7 @@ const ExcalidrawApp = () => {
  return (
    <TopErrorBoundary>
      <Provider store={appJotaiStore}>
-        <ExcalidrawAPIProvider>
-          <ExcalidrawWrapper />
-        </ExcalidrawAPIProvider>
+        <ExcalidrawWrapper />
      </Provider>
    </TopErrorBoundary>
  );
@@ -1,21 +1,15 @@
-import { Stats } from "@excalidraw/excalidraw";
-import { copyTextToSystemClipboard } from "@excalidraw/excalidraw/clipboard";
-import {
-  DEFAULT_VERSION,
-  debounce,
-  getVersion,
-  nFormatter,
-} from "@excalidraw/common";
-import { t } from "@excalidraw/excalidraw/i18n";
 import { useEffect, useState } from "react";
-
-import type { NonDeletedExcalidrawElement } from "@excalidraw/element/types";
-import type { UIAppState } from "@excalidraw/excalidraw/types";
-
+import { debounce, getVersion, nFormatter } from "@excalidraw/excalidraw/utils";
 import {
  getElementsStorageSize,
  getTotalStorageSize,
 } from "./data/localStorage";
+import { DEFAULT_VERSION } from "@excalidraw/excalidraw/constants";
+import { t } from "@excalidraw/excalidraw/i18n";
+import { copyTextToSystemClipboard } from "@excalidraw/excalidraw/clipboard";
+import type { NonDeletedExcalidrawElement } from "@excalidraw/excalidraw/element/types";
+import type { UIAppState } from "@excalidraw/excalidraw/types";
+import { Stats } from "@excalidraw/excalidraw";

 type StorageSizes = { scene: number; total: number };

@@ -1,15 +1,13 @@
-import { base64urlToString } from "@excalidraw/excalidraw/data/encode";
-import { ExcalidrawError } from "@excalidraw/excalidraw/errors";
 import { useLayoutEffect, useRef } from "react";
-
+import { STORAGE_KEYS } from "./app_constants";
+import { LocalData } from "./data/LocalData";
 import type {
  FileId,
  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
+} from "@excalidraw/excalidraw/element/types";
 import type { AppState, BinaryFileData } from "@excalidraw/excalidraw/types";
-
-import { STORAGE_KEYS } from "./app_constants";
-import { LocalData } from "./data/LocalData";
+import { ExcalidrawError } from "@excalidraw/excalidraw/errors";
+import { base64urlToString } from "@excalidraw/excalidraw/data/encode";

 const EVENT_REQUEST_SCENE = "REQUEST_SCENE";

@@ -1,8 +1,6 @@
-import { useI18n, languages } from "@excalidraw/excalidraw/i18n";
 import React from "react";
-
+import { useI18n, languages } from "@excalidraw/excalidraw/i18n";
 import { useSetAtom } from "../app-jotai";
-
 import { appLangCodeAtom } from "./language-state";

 export const LanguageList = ({ style }: { style?: React.CSSProperties }) => {
@@ -1,5 +1,5 @@
-import { defaultLang, languages } from "@excalidraw/excalidraw";
 import LanguageDetector from "i18next-browser-languagedetector";
+import { defaultLang, languages } from "@excalidraw/excalidraw";

 export const languageDetector = new LanguageDetector();

@@ -1,7 +1,5 @@
 import { useEffect } from "react";
-
 import { atom, useAtom } from "../app-jotai";
-
 import { getPreferredLanguage, languageDetector } from "./language-detector";

 export const appLangCodeAtom = atom(getPreferredLanguage());
@@ -8,8 +8,7 @@ export const SYNC_BROWSER_TABS_TIMEOUT = 50;
 export const CURSOR_SYNC_TIMEOUT = 33; // ~30fps
 export const DELETED_ELEMENT_TIMEOUT = 24 * 60 * 60 * 1000; // 1 day

-// should be aligned with MAX_ALLOWED_FILE_BYTES
-export const FILE_UPLOAD_MAX_BYTES = 4 * 1024 * 1024; // 4 MiB
+export const FILE_UPLOAD_MAX_BYTES = 3 * 1024 * 1024; // 3 MiB
 // 1 year (https://stackoverflow.com/a/25201898/927631)
 export const FILE_CACHE_MAX_AGE_SEC = 31536000;

@@ -46,7 +45,6 @@ export const STORAGE_KEYS = {
  VERSION_FILES: "version-files",

  IDB_LIBRARY: "excalidraw-library",
-  IDB_TTD_CHATS: "excalidraw-ttd-chats",

  // do not use apart from migrations
  __LEGACY_LOCAL_STORAGE_LIBRARY: "excalidraw-library",
@@ -1,47 +1,5 @@
-import {
-  CaptureUpdateAction,
-  getSceneVersion,
-  restoreElements,
-  zoomToFitBounds,
-  reconcileElements,
-} from "@excalidraw/excalidraw";
-import { ErrorDialog } from "@excalidraw/excalidraw/components/ErrorDialog";
-import { APP_NAME, cloneJSON, EVENT, toBrandedType } from "@excalidraw/common";
-import {
-  IDLE_THRESHOLD,
-  ACTIVE_THRESHOLD,
-  UserIdleState,
-  assertNever,
-  isDevEnv,
-  isTestEnv,
-  preventUnload,
-  resolvablePromise,
-  throttleRAF,
-} from "@excalidraw/common";
-import { decryptData } from "@excalidraw/excalidraw/data/encryption";
-import { getVisibleSceneBounds } from "@excalidraw/element";
-import { newElementWith } from "@excalidraw/element";
-import { isImageElement, isInitializedImageElement } from "@excalidraw/element";
-import { AbortError } from "@excalidraw/excalidraw/errors";
-import { t } from "@excalidraw/excalidraw/i18n";
-import { withBatchedUpdates } from "@excalidraw/excalidraw/reactUtils";
-
 import throttle from "lodash.throttle";
 import { PureComponent } from "react";
-
-import { bumpElementVersions } from "@excalidraw/excalidraw/data/restore";
-
-import type {
-  ReconciledExcalidrawElement,
-  RemoteExcalidrawElement,
-} from "@excalidraw/excalidraw/data/reconcile";
-import type { ImportedDataState } from "@excalidraw/excalidraw/data/types";
-import type {
-  ExcalidrawElement,
-  FileId,
-  InitializedExcalidrawImageElement,
-  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
 import type {
  BinaryFileData,
  ExcalidrawImperativeAPI,
@@ -49,9 +7,28 @@ import type {
  Collaborator,
  Gesture,
 } from "@excalidraw/excalidraw/types";
-import type { Mutable, ValueOf } from "@excalidraw/common/utility-types";
-
-import { appJotaiStore, atom } from "../app-jotai";
+import { ErrorDialog } from "@excalidraw/excalidraw/components/ErrorDialog";
+import { APP_NAME, ENV, EVENT } from "@excalidraw/excalidraw/constants";
+import type { ImportedDataState } from "@excalidraw/excalidraw/data/types";
+import type {
+  ExcalidrawElement,
+  FileId,
+  InitializedExcalidrawImageElement,
+  OrderedExcalidrawElement,
+} from "@excalidraw/excalidraw/element/types";
+import {
+  CaptureUpdateAction,
+  getSceneVersion,
+  restoreElements,
+  zoomToFitBounds,
+  reconcileElements,
+} from "@excalidraw/excalidraw";
+import {
+  assertNever,
+  preventUnload,
+  resolvablePromise,
+  throttleRAF,
+} from "@excalidraw/excalidraw/utils";
 import {
  CURSOR_SYNC_TIMEOUT,
  FILE_UPLOAD_MAX_BYTES,
@@ -62,18 +39,15 @@ import {
  SYNC_FULL_SCENE_INTERVAL_MS,
  WS_EVENTS,
 } from "../app_constants";
+import type {
+  SocketUpdateDataSource,
+  SyncableExcalidrawElement,
+} from "../data";
 import {
  generateCollaborationLinkData,
  getCollaborationLink,
  getSyncableElements,
 } from "../data";
-import {
-  encodeFilesForUpload,
-  FileManager,
-  updateStaleImageStatuses,
-} from "../data/FileManager";
-import { FileStatusStore } from "../data/fileStatusStore";
-import { LocalData } from "../data/LocalData";
 import {
  isSavedToFirebase,
  loadFilesFromFirebase,
@@ -85,15 +59,36 @@ import {
  importUsernameFromLocalStorage,
  saveUsernameToLocalStorage,
 } from "../data/localStorage";
-import { resetBrowserStateVersions } from "../data/tabSync";
-
-import { collabErrorIndicatorAtom } from "./CollabError";
 import Portal from "./Portal";
-
+import { t } from "@excalidraw/excalidraw/i18n";
+import {
+  IDLE_THRESHOLD,
+  ACTIVE_THRESHOLD,
+  UserIdleState,
+} from "@excalidraw/excalidraw/constants";
+import {
+  encodeFilesForUpload,
+  FileManager,
+  updateStaleImageStatuses,
+} from "../data/FileManager";
+import { AbortError } from "@excalidraw/excalidraw/errors";
+import {
+  isImageElement,
+  isInitializedImageElement,
+} from "@excalidraw/excalidraw/element/typeChecks";
+import { newElementWith } from "@excalidraw/excalidraw/element/mutateElement";
+import { decryptData } from "@excalidraw/excalidraw/data/encryption";
+import { resetBrowserStateVersions } from "../data/tabSync";
+import { LocalData } from "../data/LocalData";
+import { appJotaiStore, atom } from "../app-jotai";
+import type { Mutable, ValueOf } from "@excalidraw/excalidraw/utility-types";
+import { getVisibleSceneBounds } from "@excalidraw/excalidraw/element/bounds";
+import { withBatchedUpdates } from "@excalidraw/excalidraw/reactUtils";
+import { collabErrorIndicatorAtom } from "./CollabError";
 import type {
-  SocketUpdateDataSource,
-  SyncableExcalidrawElement,
-} from "../data";
+  ReconciledExcalidrawElement,
+  RemoteExcalidrawElement,
+} from "@excalidraw/excalidraw/data/reconcile";

 export const collabAPIAtom = atom<CollabAPI | null>(null);
 export const isCollaboratingAtom = atom(false);
@@ -150,7 +145,6 @@ class Collab extends PureComponent<CollabProps, CollabState> {
    };
    this.portal = new Portal(this);
    this.fileManager = new FileManager({
-      onFileStatusChange: FileStatusStore.updateStatuses.bind(FileStatusStore),
      getFiles: async (fileIds) => {
        const { roomId, roomKey } = this.portal;
        if (!roomId || !roomKey) {
@@ -242,7 +236,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {

    appJotaiStore.set(collabAPIAtom, collabAPI);

-    if (isTestEnv() || isDevEnv()) {
+    if (import.meta.env.MODE === ENV.TEST || import.meta.env.DEV) {
      window.collab = window.collab || ({} as Window["collab"]);
      Object.defineProperties(window, {
        collab: {
@@ -302,20 +296,13 @@ class Collab extends PureComponent<CollabProps, CollabState> {
      //  the purpose is to run in immediately after user decides to stay
      this.saveCollabRoomToFirebase(syncableElements);

-      if (import.meta.env.VITE_APP_DISABLE_PREVENT_UNLOAD !== "true") {
-        preventUnload(event);
-      } else {
-        console.warn(
-          "preventing unload disabled (VITE_APP_DISABLE_PREVENT_UNLOAD)",
-        );
-      }
+      preventUnload(event);
    }
  });

  saveCollabRoomToFirebase = async (
    syncableElements: readonly SyncableExcalidrawElement[],
  ) => {
-    syncableElements = cloneJSON(syncableElements);
    try {
      const storedElements = await saveToFirebase(
        this.portal,
@@ -446,7 +433,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
  };

  private decryptPayload = async (
-    iv: Uint8Array<ArrayBuffer>,
+    iv: Uint8Array,
    encryptedData: ArrayBuffer,
    decryptionKey: string,
  ): Promise<ValueOf<SocketUpdateDataSource>> => {
@@ -535,10 +522,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
      return null;
    }

-    if (existingRoomLinkData) {
-      // when joining existing room, don't merge it with current scene data
-      this.excalidrawAPI.resetScene();
-    } else {
+    if (!existingRoomLinkData) {
      const elements = this.excalidrawAPI.getSceneElements().map((element) => {
        if (isImageElement(element) && element.status === "saved") {
          return newElementWith(element, { status: "pending" });
@@ -567,7 +551,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
    // All socket listeners are moving to Portal
    this.portal.socket.on(
      "client-broadcast",
-      async (encryptedData: ArrayBuffer, iv: Uint8Array<ArrayBuffer>) => {
+      async (encryptedData: ArrayBuffer, iv: Uint8Array) => {
        if (!this.portal.roomKey) {
          return;
        }
@@ -584,9 +568,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
          case WS_SUBTYPES.INIT: {
            if (!this.portal.socketInitialized) {
              this.initializeRoom({ fetchScene: false });
-              const remoteElements = toBrandedType<
-                readonly RemoteExcalidrawElement[]
-              >(decryptedData.payload.elements);
+              const remoteElements = decryptedData.payload.elements;
              const reconciledElements =
                this._reconcileElements(remoteElements);
              this.handleRemoteSceneUpdate(reconciledElements);
@@ -600,11 +582,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
          }
          case WS_SUBTYPES.UPDATE:
            this.handleRemoteSceneUpdate(
-              this._reconcileElements(
-                toBrandedType<readonly RemoteExcalidrawElement[]>(
-                  decryptedData.payload.elements,
-                ),
-              ),
+              this._reconcileElements(decryptedData.payload.elements),
            );
            break;
          case WS_SUBTYPES.MOUSE_LOCATION: {
@@ -753,28 +731,17 @@ class Collab extends PureComponent<CollabProps, CollabState> {
  };

  private _reconcileElements = (
-    remoteElements: readonly RemoteExcalidrawElement[],
+    remoteElements: readonly ExcalidrawElement[],
  ): ReconciledExcalidrawElement[] => {
+    const localElements = this.getSceneElementsIncludingDeleted();
    const appState = this.excalidrawAPI.getAppState();
-
-    const existingElements = this.getSceneElementsIncludingDeleted();
-
-    // NOTE ideally we restore _after_ reconciliation but we can't do that
-    // as we'd regenerate even elements such as appState.newElement which would
-    // break the state
-    remoteElements = restoreElements(remoteElements, existingElements);
-
-    let reconciledElements = reconcileElements(
-      existingElements,
-      remoteElements,
+    const restoredRemoteElements = restoreElements(remoteElements, null);
+    const reconciledElements = reconcileElements(
+      localElements,
+      restoredRemoteElements as RemoteExcalidrawElement[],
      appState,
    );

-    reconciledElements = bumpElementVersions(
-      reconciledElements,
-      existingElements,
-    );
-
    // Avoid broadcasting to the rest of the collaborators the scene
    // we just received!
    // Note: this needs to be set before updating the scene as it
@@ -1042,7 +1009,7 @@ declare global {
  }
 }

-if (isTestEnv() || isDevEnv()) {
+if (import.meta.env.MODE === ENV.TEST || import.meta.env.DEV) {
  window.collab = window.collab || ({} as Window["collab"]);
 }

@@ -2,7 +2,6 @@ import { Tooltip } from "@excalidraw/excalidraw/components/Tooltip";
 import { warning } from "@excalidraw/excalidraw/components/icons";
 import clsx from "clsx";
 import { useEffect, useRef, useState } from "react";
-
 import { atom } from "../app-jotai";

 import "./CollabError.scss";
@@ -1,26 +1,25 @@
-import { CaptureUpdateAction } from "@excalidraw/excalidraw";
-import { trackEvent } from "@excalidraw/excalidraw/analytics";
-import { encryptData } from "@excalidraw/excalidraw/data/encryption";
-import { newElementWith } from "@excalidraw/element";
-import throttle from "lodash.throttle";
-
-import type { UserIdleState } from "@excalidraw/common";
-import type { OrderedExcalidrawElement } from "@excalidraw/element/types";
-import type {
-  OnUserFollowedPayload,
-  SocketId,
-} from "@excalidraw/excalidraw/types";
-
-import { WS_EVENTS, FILE_UPLOAD_TIMEOUT, WS_SUBTYPES } from "../app_constants";
-import { isSyncableElement } from "../data";
-
 import type {
  SocketUpdateData,
  SocketUpdateDataSource,
  SyncableExcalidrawElement,
 } from "../data";
+import { isSyncableElement } from "../data";
+
 import type { TCollabClass } from "./Collab";
+
+import type { OrderedExcalidrawElement } from "@excalidraw/excalidraw/element/types";
+import { WS_EVENTS, FILE_UPLOAD_TIMEOUT, WS_SUBTYPES } from "../app_constants";
+import type {
+  OnUserFollowedPayload,
+  SocketId,
+} from "@excalidraw/excalidraw/types";
+import type { UserIdleState } from "@excalidraw/excalidraw/constants";
+import { trackEvent } from "@excalidraw/excalidraw/analytics";
+import throttle from "lodash.throttle";
+import { newElementWith } from "@excalidraw/excalidraw/element/mutateElement";
+import { encryptData } from "@excalidraw/excalidraw/data/encryption";
 import type { Socket } from "socket.io-client";
+import { CaptureUpdateAction } from "@excalidraw/excalidraw";

 class Portal {
  collab: TCollabClass;
@@ -1,17 +1,13 @@
+import type { ExcalidrawImperativeAPI } from "@excalidraw/excalidraw/types";
 import {
  DiagramToCodePlugin,
  exportToBlob,
  getTextFromElements,
  MIME_TYPES,
  TTDDialog,
-  TTDStreamFetch,
 } from "@excalidraw/excalidraw";
 import { getDataURL } from "@excalidraw/excalidraw/data/blob";
-import { safelyParseJSON } from "@excalidraw/common";
-
-import type { ExcalidrawImperativeAPI } from "@excalidraw/excalidraw/types";
-
-import { TTDIndexedDBAdapter } from "../data/TTDStorage";
+import { safelyParseJSON } from "@excalidraw/excalidraw/utils";

 export const AIComponents = ({
  excalidrawAPI,
@@ -76,7 +72,7 @@ export const AIComponents = ({
                  </br>
                  <div>You can also try <a href="${
                    import.meta.env.VITE_APP_PLUS_LP
-                  }/plus?utm_source=excalidraw&utm_medium=app&utm_content=d2c" target="_blank" rel="noopener">Excalidraw+</a> to get more requests.</div>
+                  }/plus?utm_source=excalidraw&utm_medium=app&utm_content=d2c" target="_blank" rel="noreferrer noopener">Excalidraw+</a> to get more requests.</div>
                </div>
                </body>
                </html>`,
@@ -102,23 +98,61 @@ export const AIComponents = ({
      />

      <TTDDialog
-        onTextSubmit={async (props) => {
-          const { onChunk, onStreamCreated, signal, messages } = props;
+        onTextSubmit={async (input) => {
+          try {
+            const response = await fetch(
+              `${
+                import.meta.env.VITE_APP_AI_BACKEND
+              }/v1/ai/text-to-diagram/generate`,
+              {
+                method: "POST",
+                headers: {
+                  Accept: "application/json",
+                  "Content-Type": "application/json",
+                },
+                body: JSON.stringify({ prompt: input }),
+              },
+            );

-          const result = await TTDStreamFetch({
-            url: `${
-              import.meta.env.VITE_APP_AI_BACKEND
-            }/v1/ai/text-to-diagram/chat-streaming`,
-            messages,
-            onChunk,
-            onStreamCreated,
-            extractRateLimits: true,
-            signal,
-          });
+            const rateLimit = response.headers.has("X-Ratelimit-Limit")
+              ? parseInt(response.headers.get("X-Ratelimit-Limit") || "0", 10)
+              : undefined;

-          return result;
+            const rateLimitRemaining = response.headers.has(
+              "X-Ratelimit-Remaining",
+            )
+              ? parseInt(
+                  response.headers.get("X-Ratelimit-Remaining") || "0",
+                  10,
+                )
+              : undefined;
+
+            const json = await response.json();
+
+            if (!response.ok) {
+              if (response.status === 429) {
+                return {
+                  rateLimit,
+                  rateLimitRemaining,
+                  error: new Error(
+                    "Too many requests today, please try again tomorrow!",
+                  ),
+                };
+              }
+
+              throw new Error(json.message || "Generation failed...");
+            }
+
+            const generatedResponse = json.generatedResponse;
+            if (!generatedResponse) {
+              throw new Error("Generation failed...");
+            }
+
+            return { generatedResponse, rateLimit, rateLimitRemaining };
+          } catch (err: any) {
+            throw new Error("Request failed");
+          }
        }}
-        persistenceAdapter={TTDIndexedDBAdapter}
      />
    </>
  );
@@ -1,10 +1,9 @@
-import { Footer } from "@excalidraw/excalidraw/index";
 import React from "react";
-
-import { isExcalidrawPlusSignedUser } from "../app_constants";
-
-import { DebugFooter, isVisualDebuggerEnabled } from "./DebugCanvas";
+import { Footer } from "@excalidraw/excalidraw/index";
 import { EncryptedIcon } from "./EncryptedIcon";
+import { ExcalidrawPlusAppLink } from "./ExcalidrawPlusAppLink";
+import { isExcalidrawPlusSignedUser } from "../app_constants";
+import { DebugFooter, isVisualDebuggerEnabled } from "./DebugCanvas";

 export const AppFooter = React.memo(
  ({ onChange }: { onChange: () => void }) => {
@@ -18,7 +17,11 @@ export const AppFooter = React.memo(
          }}
        >
          {isVisualDebuggerEnabled() && <DebugFooter onChange={onChange} />}
-          {!isExcalidrawPlusSignedUser && <EncryptedIcon />}
+          {isExcalidrawPlusSignedUser ? (
+            <ExcalidrawPlusAppLink />
+          ) : (
+            <EncryptedIcon />
+          )}
        </div>
      </Footer>
    );
@@ -1,18 +1,13 @@
+import React from "react";
 import {
  loginIcon,
  ExcalLogo,
  eyeIcon,
 } from "@excalidraw/excalidraw/components/icons";
+import type { Theme } from "@excalidraw/excalidraw/element/types";
 import { MainMenu } from "@excalidraw/excalidraw/index";
-import React from "react";
-
-import { isDevEnv } from "@excalidraw/common";
-
-import type { Theme } from "@excalidraw/element/types";
-
-import { LanguageList } from "../app-language/LanguageList";
 import { isExcalidrawPlusSignedUser } from "../app_constants";
-
+import { LanguageList } from "../app-language/LanguageList";
 import { saveDebugState } from "./DebugCanvas";

 export const AppMainMenu: React.FC<{
@@ -59,10 +54,10 @@ export const AppMainMenu: React.FC<{
      >
        {isExcalidrawPlusSignedUser ? "Sign in" : "Sign up"}
      </MainMenu.ItemLink>
-      {isDevEnv() && (
+      {import.meta.env.DEV && (
        <MainMenu.Item
          icon={eyeIcon}
-          onSelect={() => {
+          onClick={() => {
            if (window.visualDebug) {
              delete window.visualDebug;
              saveDebugState({ enabled: false });
@@ -77,7 +72,6 @@ export const AppMainMenu: React.FC<{
        </MainMenu.Item>
      )}
      <MainMenu.Separator />
-      <MainMenu.DefaultItems.Preferences />
      <MainMenu.DefaultItems.ToggleTheme
        allowSystemTheme
        theme={props.theme}
@@ -1,36 +0,0 @@
-.excalidraw {
-  .app-sidebar-promo-container {
-    padding: 0.75rem;
-    display: flex;
-    flex-direction: column;
-    text-align: center;
-    gap: 1rem;
-    flex: 1 1 auto;
-  }
-
-  .app-sidebar-promo-image {
-    margin: 1rem 0;
-
-    height: 16.25rem;
-    background-size: contain;
-    background-position: center;
-    background-repeat: no-repeat;
-
-    background-image: radial-gradient(
-        circle,
-        transparent 60%,
-        var(--sidebar-bg-color) 100%
-      ),
-      var(--image-source);
-
-    display: flex;
-  }
-
-  .app-sidebar-promo-text {
-    padding: 0 2rem;
-  }
-
-  .link-button {
-    margin: 0 auto;
-  }
-}
@@ -1,79 +0,0 @@
-import { DefaultSidebar, Sidebar, THEME } from "@excalidraw/excalidraw";
-import {
-  messageCircleIcon,
-  presentationIcon,
-} from "@excalidraw/excalidraw/components/icons";
-import { LinkButton } from "@excalidraw/excalidraw/components/LinkButton";
-import { useUIAppState } from "@excalidraw/excalidraw/context/ui-appState";
-
-import "./AppSidebar.scss";
-
-export const AppSidebar = () => {
-  const { theme, openSidebar } = useUIAppState();
-
-  return (
-    <DefaultSidebar>
-      <DefaultSidebar.TabTriggers>
-        <Sidebar.TabTrigger
-          tab="comments"
-          style={{ opacity: openSidebar?.tab === "comments" ? 1 : 0.4 }}
-        >
-          {messageCircleIcon}
-        </Sidebar.TabTrigger>
-        <Sidebar.TabTrigger
-          tab="presentation"
-          style={{ opacity: openSidebar?.tab === "presentation" ? 1 : 0.4 }}
-        >
-          {presentationIcon}
-        </Sidebar.TabTrigger>
-      </DefaultSidebar.TabTriggers>
-      <Sidebar.Tab tab="comments">
-        <div className="app-sidebar-promo-container">
-          <div
-            className="app-sidebar-promo-image"
-            style={{
-              ["--image-source" as any]: `url(/oss_promo_comments_${
-                theme === THEME.DARK ? "dark" : "light"
-              }.jpg)`,
-              opacity: 0.7,
-            }}
-          />
-          <div className="app-sidebar-promo-text">
-            Make comments with Excalidraw+
-          </div>
-          <LinkButton
-            href={`${
-              import.meta.env.VITE_APP_PLUS_LP
-            }/plus?utm_source=excalidraw&utm_medium=app&utm_content=comments_promo#excalidraw-redirect`}
-          >
-            Sign up now
-          </LinkButton>
-        </div>
-      </Sidebar.Tab>
-      <Sidebar.Tab tab="presentation" className="px-3">
-        <div className="app-sidebar-promo-container">
-          <div
-            className="app-sidebar-promo-image"
-            style={{
-              ["--image-source" as any]: `url(/oss_promo_presentations_${
-                theme === THEME.DARK ? "dark" : "light"
-              }.svg)`,
-              backgroundSize: "60%",
-              opacity: 0.4,
-            }}
-          />
-          <div className="app-sidebar-promo-text">
-            Create presentations with Excalidraw+
-          </div>
-          <LinkButton
-            href={`${
-              import.meta.env.VITE_APP_PLUS_LP
-            }/plus?utm_source=excalidraw&utm_medium=app&utm_content=presentations_promo#excalidraw-redirect`}
-          >
-            Sign up now
-          </LinkButton>
-        </div>
-      </Sidebar.Tab>
-    </DefaultSidebar>
-  );
-};
@@ -1,10 +1,9 @@
+import React from "react";
 import { loginIcon } from "@excalidraw/excalidraw/components/icons";
-import { POINTER_EVENTS } from "@excalidraw/common";
 import { useI18n } from "@excalidraw/excalidraw/i18n";
 import { WelcomeScreen } from "@excalidraw/excalidraw/index";
-import React from "react";
-
 import { isExcalidrawPlusSignedUser } from "../app_constants";
+import { POINTER_EVENTS } from "@excalidraw/excalidraw/constants";

 export const AppWelcomeScreen: React.FC<{
  onCollabDialogOpen: () => any;
@@ -33,15 +32,7 @@ export const AppWelcomeScreen: React.FC<{
        return bit;
      });
  } else {
-    headingContent = (
-      <>
-        {t("welcomeScreen.app.center_heading")}
-        <br />
-        {t("welcomeScreen.app.center_heading_line2")}
-        <br />
-        {t("welcomeScreen.app.center_heading_line3")}
-      </>
-    );
+    headingContent = t("welcomeScreen.app.center_heading");
  }

  return (
@@ -1,45 +1,24 @@
+import { useCallback, useImperativeHandle, useRef } from "react";
+import { type AppState } from "@excalidraw/excalidraw/types";
+import { throttleRAF } from "@excalidraw/excalidraw/utils";
+import {
+  bootstrapCanvas,
+  getNormalizedCanvasDimensions,
+} from "@excalidraw/excalidraw/renderer/helpers";
+import type { DebugElement } from "@excalidraw/excalidraw/visualdebug";
 import {
  ArrowheadArrowIcon,
  CloseIcon,
  TrashIcon,
 } from "@excalidraw/excalidraw/components/icons";
-import {
-  bootstrapCanvas,
-  getNormalizedCanvasDimensions,
-} from "@excalidraw/excalidraw/renderer/helpers";
-import { type AppState } from "@excalidraw/excalidraw/types";
-import { arrayToMap, throttleRAF } from "@excalidraw/common";
-import { useCallback } from "react";
-
-import {
-  getGlobalFixedPointForBindableElement,
-  isArrowElement,
-  isBindableElement,
-} from "@excalidraw/element";
-
+import { STORAGE_KEYS } from "../app_constants";
+import type { Curve } from "../../packages/math";
 import {
  isLineSegment,
  type GlobalPoint,
  type LineSegment,
-} from "@excalidraw/math";
-import { isCurve } from "@excalidraw/math/curve";
-
-import React from "react";
-
-import type { Curve } from "@excalidraw/math";
-import type {
-  DebugElement,
-  DebugPolygon,
-} from "@excalidraw/element/visualdebug";
-import type {
-  ElementsMap,
-  ExcalidrawArrowElement,
-  ExcalidrawBindableElement,
-  FixedPointBinding,
-  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
-
-import { STORAGE_KEYS } from "../app_constants";
+} from "../../packages/math";
+import { isCurve } from "../../packages/math/curve";

 const renderLine = (
  context: CanvasRenderingContext2D,
@@ -78,44 +57,6 @@ const renderCubicBezier = (
  context.restore();
 };

-const renderPolygon = (
-  context: CanvasRenderingContext2D,
-  zoom: number,
-  polygon: DebugPolygon,
-  color: string,
-) => {
-  const { points, fill, close } = polygon;
-
-  if (points.length < 2) {
-    return;
-  }
-
-  context.save();
-  context.beginPath();
-  context.moveTo(points[0][0] * zoom, points[0][1] * zoom);
-  for (let i = 1; i < points.length; i += 1) {
-    context.lineTo(points[i][0] * zoom, points[i][1] * zoom);
-  }
-  if (close !== false) {
-    context.closePath();
-  }
-
-  if (fill) {
-    context.save();
-    context.globalAlpha = 0.15;
-    context.fillStyle = color;
-    context.fill();
-    context.restore();
-  }
-
-  context.strokeStyle = color;
-  context.stroke();
-  context.restore();
-};
-
-const isDebugPolygon = (data: DebugElement["data"]): data is DebugPolygon =>
-  (data as DebugPolygon).type === "polygon";
-
 const renderOrigin = (context: CanvasRenderingContext2D, zoom: number) => {
  context.strokeStyle = "#888";
  context.save();
@@ -128,176 +69,6 @@ const renderOrigin = (context: CanvasRenderingContext2D, zoom: number) => {
  context.save();
 };

-const _renderBinding = (
-  context: CanvasRenderingContext2D,
-  binding: FixedPointBinding,
-  elementsMap: ElementsMap,
-  zoom: number,
-  width: number,
-  height: number,
-  color: string,
-) => {
-  if (!binding.fixedPoint) {
-    console.warn("Binding must have a fixedPoint");
-    return;
-  }
-
-  const bindable = elementsMap.get(
-    binding.elementId,
-  ) as ExcalidrawBindableElement;
-  const [x, y] = getGlobalFixedPointForBindableElement(
-    binding.fixedPoint,
-    bindable,
-    elementsMap,
-  );
-
-  context.save();
-  context.strokeStyle = color;
-  context.lineWidth = 1;
-  context.beginPath();
-  context.moveTo(x * zoom, y * zoom);
-  context.bezierCurveTo(
-    x * zoom - width,
-    y * zoom - height,
-    x * zoom - width,
-    y * zoom + height,
-    x * zoom,
-    y * zoom,
-  );
-  context.stroke();
-  context.restore();
-};
-
-const _renderBindableBinding = (
-  binding: FixedPointBinding,
-  context: CanvasRenderingContext2D,
-  elementsMap: ElementsMap,
-  zoom: number,
-  width: number,
-  height: number,
-  color: string,
-) => {
-  const bindable = elementsMap.get(
-    binding.elementId,
-  ) as ExcalidrawBindableElement;
-  if (!binding.fixedPoint) {
-    console.warn("Binding must have a fixedPoint");
-    return;
-  }
-
-  const [x, y] = getGlobalFixedPointForBindableElement(
-    binding.fixedPoint,
-    bindable,
-    elementsMap,
-  );
-
-  context.save();
-  context.strokeStyle = color;
-  context.lineWidth = 1;
-  context.beginPath();
-  context.moveTo(x * zoom, y * zoom);
-  context.bezierCurveTo(
-    x * zoom + width,
-    y * zoom + height,
-    x * zoom + width,
-    y * zoom - height,
-    x * zoom,
-    y * zoom,
-  );
-  context.stroke();
-  context.restore();
-};
-
-const renderBindings = (
-  context: CanvasRenderingContext2D,
-  elements: readonly OrderedExcalidrawElement[],
-  zoom: number,
-) => {
-  const elementsMap = arrayToMap(elements);
-  const dim = 16;
-  elements.forEach((element) => {
-    if (element.isDeleted) {
-      return;
-    }
-
-    if (isArrowElement(element)) {
-      if (element.startBinding) {
-        if (
-          !elementsMap
-            .get(element.startBinding.elementId)
-            ?.boundElements?.find((e) => e.id === element.id)
-        ) {
-          return;
-        }
-
-        _renderBinding(
-          context,
-          element.startBinding,
-          elementsMap,
-          zoom,
-          dim,
-          dim,
-          element.startBinding?.mode === "orbit" ? "red" : "black",
-        );
-      }
-
-      if (element.endBinding) {
-        if (
-          !elementsMap
-            .get(element.endBinding.elementId)
-            ?.boundElements?.find((e) => e.id === element.id)
-        ) {
-          return;
-        }
-        _renderBinding(
-          context,
-          element.endBinding,
-          elementsMap,
-          zoom,
-          dim,
-          dim,
-          element.endBinding?.mode === "orbit" ? "red" : "black",
-        );
-      }
-    }
-
-    if (isBindableElement(element) && element.boundElements?.length) {
-      element.boundElements.forEach((boundElement) => {
-        if (boundElement.type !== "arrow") {
-          return;
-        }
-
-        const arrow = elementsMap.get(
-          boundElement.id,
-        ) as ExcalidrawArrowElement;
-
-        if (arrow && arrow.startBinding?.elementId === element.id) {
-          _renderBindableBinding(
-            arrow.startBinding,
-            context,
-            elementsMap,
-            zoom,
-            dim,
-            dim,
-            "green",
-          );
-        }
-        if (arrow && arrow.endBinding?.elementId === element.id) {
-          _renderBindableBinding(
-            arrow.endBinding,
-            context,
-            elementsMap,
-            zoom,
-            dim,
-            dim,
-            "green",
-          );
-        }
-      });
-    }
-  });
-};
-
 const render = (
  frame: DebugElement[],
  context: CanvasRenderingContext2D,
@@ -321,9 +92,6 @@ const render = (
          el.color,
        );
        break;
-      case isDebugPolygon(el.data):
-        renderPolygon(context, appState.zoom.value, el.data, el.color);
-        break;
      default:
        throw new Error(`Unknown element type ${JSON.stringify(el)}`);
    }
@@ -333,14 +101,18 @@ const render = (
 const _debugRenderer = (
  canvas: HTMLCanvasElement,
  appState: AppState,
-  elements: readonly OrderedExcalidrawElement[],
  scale: number,
+  refresh: () => void,
 ) => {
  const [normalizedWidth, normalizedHeight] = getNormalizedCanvasDimensions(
    canvas,
    scale,
  );

+  if (appState.height !== canvas.height || appState.width !== canvas.width) {
+    refresh();
+  }
+
  const context = bootstrapCanvas({
    canvas,
    scale,
@@ -357,7 +129,6 @@ const _debugRenderer = (
  );

  renderOrigin(context, appState.zoom.value);
-  renderBindings(context, elements, appState.zoom.value);

  if (
    window.visualDebug?.currentFrame &&
@@ -409,11 +180,12 @@ export const debugRenderer = throttleRAF(
  (
    canvas: HTMLCanvasElement,
    appState: AppState,
-    elements: readonly OrderedExcalidrawElement[],
    scale: number,
+    refresh: () => void,
  ) => {
-    _debugRenderer(canvas, appState, elements, scale);
+    _debugRenderer(canvas, appState, scale, refresh);
  },
+  { trailing: true },
 );

 export const loadSavedDebugState = () => {
@@ -538,29 +310,35 @@ export const DebugFooter = ({ onChange }: { onChange: () => void }) => {
 interface DebugCanvasProps {
  appState: AppState;
  scale: number;
+  ref?: React.Ref<HTMLCanvasElement>;
 }

-const DebugCanvas = React.forwardRef<HTMLCanvasElement, DebugCanvasProps>(
-  ({ appState, scale }, ref) => {
-    const { width, height } = appState;
+const DebugCanvas = ({ appState, scale, ref }: DebugCanvasProps) => {
+  const { width, height } = appState;

-    return (
-      <canvas
-        style={{
-          width,
-          height,
-          position: "absolute",
-          zIndex: 2,
-          pointerEvents: "none",
-        }}
-        width={width * scale}
-        height={height * scale}
-        ref={ref}
-      >
-        Debug Canvas
-      </canvas>
-    );
-  },
-);
+  const canvasRef = useRef<HTMLCanvasElement>(null);
+  useImperativeHandle<HTMLCanvasElement | null, HTMLCanvasElement | null>(
+    ref,
+    () => canvasRef.current,
+    [canvasRef],
+  );
+
+  return (
+    <canvas
+      style={{
+        width,
+        height,
+        position: "absolute",
+        zIndex: 2,
+        pointerEvents: "none",
+      }}
+      width={width * scale}
+      height={height * scale}
+      ref={canvasRef}
+    >
+      Debug Canvas
+    </canvas>
+  );
+};

 export default DebugCanvas;
@@ -1,5 +1,5 @@
-import { Tooltip } from "@excalidraw/excalidraw/components/Tooltip";
 import { shield } from "@excalidraw/excalidraw/components/icons";
+import { Tooltip } from "@excalidraw/excalidraw/components/Tooltip";
 import { useI18n } from "@excalidraw/excalidraw/i18n";

 export const EncryptedIcon = () => {
@@ -10,7 +10,7 @@ export const EncryptedIcon = () => {
      className="encrypted-icon tooltip"
      href="https://plus.excalidraw.com/blog/end-to-end-encryption"
      target="_blank"
-      rel="noopener"
+      rel="noopener noreferrer"
      aria-label={t("encrypted.link")}
    >
      <Tooltip label={t("encrypted.tooltip")} long={true}>
@@ -0,0 +1,19 @@
+import { isExcalidrawPlusSignedUser } from "../app_constants";
+
+export const ExcalidrawPlusAppLink = () => {
+  if (!isExcalidrawPlusSignedUser) {
+    return null;
+  }
+  return (
+    <a
+      href={`${
+        import.meta.env.VITE_APP_PLUS_APP
+      }?utm_source=excalidraw&utm_medium=app&utm_content=signedInUserRedirectButton#excalidraw-redirect`}
+      target="_blank"
+      rel="noreferrer"
+      className="plus-button"
+    >
+      Go to Excalidraw+
+    </a>
+  );
+};
@@ -1,22 +0,0 @@
-export const ExcalidrawPlusPromoBanner = ({
-  isSignedIn,
-}: {
-  isSignedIn: boolean;
-}) => {
-  return (
-    <a
-      href={
-        isSignedIn
-          ? import.meta.env.VITE_APP_PLUS_APP
-          : `${
-              import.meta.env.VITE_APP_PLUS_LP
-            }/plus?utm_source=excalidraw&utm_medium=app&utm_content=guestBanner#excalidraw-redirect`
-      }
-      target="_blank"
-      rel="noopener"
-      className="plus-banner"
-    >
-      Excalidraw+
-    </a>
-  );
-};
@@ -1,33 +1,31 @@
 import React from "react";
-import { uploadBytes, ref } from "firebase/storage";
-import { nanoid } from "nanoid";
-
-import { trackEvent } from "@excalidraw/excalidraw/analytics";
 import { Card } from "@excalidraw/excalidraw/components/Card";
-import { ExcalidrawLogo } from "@excalidraw/excalidraw/components/ExcalidrawLogo";
 import { ToolButton } from "@excalidraw/excalidraw/components/ToolButton";
-import { MIME_TYPES, getFrame } from "@excalidraw/common";
-import {
-  encryptData,
-  generateEncryptionKey,
-} from "@excalidraw/excalidraw/data/encryption";
 import { serializeAsJSON } from "@excalidraw/excalidraw/data/json";
-import { isInitializedImageElement } from "@excalidraw/element";
-import { useI18n } from "@excalidraw/excalidraw/i18n";
-
+import { loadFirebaseStorage, saveFilesToFirebase } from "../data/firebase";
 import type {
  FileId,
  NonDeletedExcalidrawElement,
-} from "@excalidraw/element/types";
+} from "@excalidraw/excalidraw/element/types";
 import type {
  AppState,
  BinaryFileData,
  BinaryFiles,
 } from "@excalidraw/excalidraw/types";
-
+import { nanoid } from "nanoid";
+import { useI18n } from "@excalidraw/excalidraw/i18n";
+import {
+  encryptData,
+  generateEncryptionKey,
+} from "@excalidraw/excalidraw/data/encryption";
+import { isInitializedImageElement } from "@excalidraw/excalidraw/element/typeChecks";
 import { FILE_UPLOAD_MAX_BYTES } from "../app_constants";
 import { encodeFilesForUpload } from "../data/FileManager";
-import { loadFirebaseStorage, saveFilesToFirebase } from "../data/firebase";
+import { uploadBytes, ref } from "firebase/storage";
+import { MIME_TYPES } from "@excalidraw/excalidraw/constants";
+import { trackEvent } from "@excalidraw/excalidraw/analytics";
+import { getFrame } from "@excalidraw/excalidraw/utils";
+import { ExcalidrawLogo } from "@excalidraw/excalidraw/components/ExcalidrawLogo";

 export const exportToExcalidrawPlus = async (
  elements: readonly NonDeletedExcalidrawElement[],
@@ -0,0 +1,45 @@
+import oc from "open-color";
+import React from "react";
+import { THEME } from "@excalidraw/excalidraw/constants";
+import type { Theme } from "@excalidraw/excalidraw/element/types";
+
+// https://github.com/tholman/github-corners
+export const GitHubCorner = React.memo(
+  ({ theme, dir }: { theme: Theme; dir: string }) => (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="40"
+      height="40"
+      viewBox="0 0 250 250"
+      className="rtl-mirror"
+      style={{
+        marginTop: "calc(var(--space-factor) * -1)",
+        [dir === "rtl" ? "marginLeft" : "marginRight"]:
+          "calc(var(--space-factor) * -1)",
+      }}
+    >
+      <a
+        href="https://github.com/excalidraw/excalidraw"
+        target="_blank"
+        rel="noopener noreferrer"
+        aria-label="GitHub repository"
+      >
+        <path
+          d="M0 0l115 115h15l12 27 108 108V0z"
+          fill={theme === THEME.LIGHT ? oc.gray[6] : oc.gray[7]}
+        />
+        <path
+          className="octo-arm"
+          d="M128 109c-15-9-9-19-9-19 3-7 2-11 2-11-1-7 3-2 3-2 4 5 2 11 2 11-3 10 5 15 9 16"
+          style={{ transformOrigin: "130px 106px" }}
+          fill={theme === THEME.LIGHT ? oc.white : "var(--default-bg-color)"}
+        />
+        <path
+          className="octo-body"
+          d="M115 115s4 2 5 0l14-14c3-2 6-3 8-3-8-11-15-24 2-41 5-5 10-7 16-7 1-2 3-7 12-11 0 0 5 3 7 16 4 2 8 5 12 9s7 8 9 12c14 3 17 7 17 7-4 8-9 11-11 11 0 6-2 11-7 16-16 16-30 10-41 2 0 3-1 7-5 11l-12 11c-1 1 1 5 1 5z"
+          fill={theme === THEME.LIGHT ? oc.white : "var(--default-bg-color)"}
+        />
+      </a>
+    </svg>
+  ),
+);
@@ -1,7 +1,7 @@
-import Trans from "@excalidraw/excalidraw/components/Trans";
-import { t } from "@excalidraw/excalidraw/i18n";
-import * as Sentry from "@sentry/browser";
 import React from "react";
+import * as Sentry from "@sentry/browser";
+import { t } from "@excalidraw/excalidraw/i18n";
+import Trans from "@excalidraw/excalidraw/components/Trans";

 interface TopErrorBoundaryState {
  hasError: boolean;
@@ -1,15 +1,14 @@
 import { CaptureUpdateAction } from "@excalidraw/excalidraw";
 import { compressData } from "@excalidraw/excalidraw/data/encode";
-import { newElementWith } from "@excalidraw/element";
-import { isInitializedImageElement } from "@excalidraw/element";
-import { t } from "@excalidraw/excalidraw/i18n";
-
+import { newElementWith } from "@excalidraw/excalidraw/element/mutateElement";
+import { isInitializedImageElement } from "@excalidraw/excalidraw/element/typeChecks";
 import type {
  ExcalidrawElement,
  ExcalidrawImageElement,
  FileId,
  InitializedExcalidrawImageElement,
-} from "@excalidraw/element/types";
+} from "@excalidraw/excalidraw/element/types";
+import { t } from "@excalidraw/excalidraw/i18n";
 import type {
  BinaryFileData,
  BinaryFileMetadata,
@@ -40,12 +39,10 @@ export class FileManager {

  private _getFiles;
  private _saveFiles;
-  private _onFileStatusChange;

  constructor({
    getFiles,
    saveFiles,
-    onFileStatusChange,
  }: {
    getFiles: (fileIds: FileId[]) => Promise<{
      loadedFiles: BinaryFileData[];
@@ -55,13 +52,9 @@ export class FileManager {
      savedFiles: Map<FileId, BinaryFileData>;
      erroredFiles: Map<FileId, BinaryFileData>;
    }>;
-    onFileStatusChange?: (
-      updates: Array<[FileId, "loading" | "loaded" | "error"]>,
-    ) => void;
  }) {
    this._getFiles = getFiles;
    this._saveFiles = saveFiles;
-    this._onFileStatusChange = onFileStatusChange;
  }

  /**
@@ -152,8 +145,6 @@ export class FileManager {
      this.fetchingFiles.set(id, true);
    }

-    this._onFileStatusChange?.(ids.map((id) => [id, "loading"]));
-
    try {
      const { loadedFiles, erroredFiles } = await this._getFiles(ids);

@@ -164,13 +155,6 @@ export class FileManager {
        this.erroredFiles_fetch.set(fileId, true);
      }

-      this._onFileStatusChange?.([
-        ...loadedFiles.map((f) => [f.id, "loaded"] as [FileId, "loaded"]),
-        ...[...erroredFiles.keys()].map(
-          (id) => [id, "error"] as [FileId, "error"],
-        ),
-      ]);
-
      return { loadedFiles, erroredFiles };
    } finally {
      for (const id of ids) {
@@ -210,13 +194,6 @@ export class FileManager {
  };

  reset() {
-    if (this._onFileStatusChange && this.fetchingFiles.size) {
-      this._onFileStatusChange(
-        [...this.fetchingFiles.keys()].map(
-          (id) => [id, "error"] as [FileId, "error"],
-        ),
-      );
-    }
    this.fetchingFiles.clear();
    this.savingFiles.clear();
    this.savedFiles.clear();
@@ -10,12 +10,6 @@
 *   (localStorage, indexedDB).
 */

-import { clearAppStateForLocalStorage } from "@excalidraw/excalidraw/appState";
-import {
-  CANVAS_SEARCH_TAB,
-  DEFAULT_SIDEBAR,
-  debounce,
-} from "@excalidraw/common";
 import {
  createStore,
  entries,
@@ -25,31 +19,32 @@ import {
  setMany,
  get,
 } from "idb-keyval";
-
-import { appJotaiStore, atom } from "excalidraw-app/app-jotai";
-import { getNonDeletedElements } from "@excalidraw/element";
-
+import { clearAppStateForLocalStorage } from "@excalidraw/excalidraw/appState";
+import {
+  CANVAS_SEARCH_TAB,
+  DEFAULT_SIDEBAR,
+} from "@excalidraw/excalidraw/constants";
 import type { LibraryPersistedData } from "@excalidraw/excalidraw/data/library";
 import type { ImportedDataState } from "@excalidraw/excalidraw/data/types";
-import type { ExcalidrawElement, FileId } from "@excalidraw/element/types";
+import { clearElementsForLocalStorage } from "@excalidraw/excalidraw/element";
+import type {
+  ExcalidrawElement,
+  FileId,
+} from "@excalidraw/excalidraw/element/types";
 import type {
  AppState,
  BinaryFileData,
  BinaryFiles,
 } from "@excalidraw/excalidraw/types";
-import type { MaybePromise } from "@excalidraw/common/utility-types";
-
+import type { MaybePromise } from "@excalidraw/excalidraw/utility-types";
+import { debounce } from "@excalidraw/excalidraw/utils";
 import { SAVE_TO_LOCAL_STORAGE_TIMEOUT, STORAGE_KEYS } from "../app_constants";
-
 import { FileManager } from "./FileManager";
-import { FileStatusStore } from "./fileStatusStore";
 import { Locker } from "./Locker";
 import { updateBrowserStateVersion } from "./tabSync";

 const filesStore = createStore("files-db", "files-store");

-export const localStorageQuotaExceededAtom = atom(false);
-
 class LocalFileManager extends FileManager {
  clearObsoleteFiles = async (opts: { currentFileIds: FileId[] }) => {
    await entries(filesStore).then((entries) => {
@@ -74,9 +69,6 @@ const saveDataStateToLocalStorage = (
  elements: readonly ExcalidrawElement[],
  appState: AppState,
 ) => {
-  const localStorageQuotaExceeded = appJotaiStore.get(
-    localStorageQuotaExceededAtom,
-  );
  try {
    const _appState = clearAppStateForLocalStorage(appState);

@@ -89,29 +81,19 @@ const saveDataStateToLocalStorage = (

    localStorage.setItem(
      STORAGE_KEYS.LOCAL_STORAGE_ELEMENTS,
-      JSON.stringify(getNonDeletedElements(elements)),
+      JSON.stringify(clearElementsForLocalStorage(elements)),
    );
    localStorage.setItem(
      STORAGE_KEYS.LOCAL_STORAGE_APP_STATE,
      JSON.stringify(_appState),
    );
    updateBrowserStateVersion(STORAGE_KEYS.VERSION_DATA_STATE);
-    if (localStorageQuotaExceeded) {
-      appJotaiStore.set(localStorageQuotaExceededAtom, false);
-    }
  } catch (error: any) {
    // Unable to access window.localStorage
    console.error(error);
-    if (isQuotaExceededError(error) && !localStorageQuotaExceeded) {
-      appJotaiStore.set(localStorageQuotaExceededAtom, true);
-    }
  }
 };

-const isQuotaExceededError = (error: any) => {
-  return error instanceof DOMException && error.name === "QuotaExceededError";
-};
-
 type SavingLockTypes = "collaboration";

 export class LocalData {
@@ -167,7 +149,6 @@ export class LocalData {
  // ---------------------------------------------------------------------------

  static fileStorage = new LocalFileManager({
-    onFileStatusChange: FileStatusStore.updateStatuses.bind(FileStatusStore),
    getFiles(ids) {
      return getMany(ids, filesStore).then(
        async (filesData: (BinaryFileData | undefined)[]) => {
@@ -1,51 +0,0 @@
-import { createStore, get, set } from "idb-keyval";
-
-import type { SavedChats } from "@excalidraw/excalidraw/components/TTDDialog/types";
-
-import { STORAGE_KEYS } from "../app_constants";
-
-/**
- * IndexedDB adapter for TTD chat storage.
- * Implements TTDPersistenceAdapter interface.
- */
-export class TTDIndexedDBAdapter {
-  /** IndexedDB database name */
-  private static idb_name = STORAGE_KEYS.IDB_TTD_CHATS;
-  /** Store key for chat data */
-  private static key = "ttdChats";
-
-  private static store = createStore(
-    `${TTDIndexedDBAdapter.idb_name}-db`,
-    `${TTDIndexedDBAdapter.idb_name}-store`,
-  );
-
-  /**
-   * Load saved chats from IndexedDB.
-   * @returns Promise resolving to saved chats array (empty if none found)
-   */
-  static async loadChats(): Promise<SavedChats> {
-    try {
-      const data = await get<SavedChats>(
-        TTDIndexedDBAdapter.key,
-        TTDIndexedDBAdapter.store,
-      );
-      return data || [];
-    } catch (error) {
-      console.warn("Failed to load TTD chats from IndexedDB:", error);
-      return [];
-    }
-  }
-
-  /**
-   * Save chats to IndexedDB.
-   * @param chats - The chats array to persist
-   */
-  static async saveChats(chats: SavedChats): Promise<void> {
-    try {
-      await set(TTDIndexedDBAdapter.key, chats, TTDIndexedDBAdapter.store);
-    } catch (error) {
-      console.warn("Failed to save TTD chats to IndexedDB:", error);
-      throw error;
-    }
-  }
-}
@@ -1,48 +0,0 @@
-import { VersionedSnapshotStore } from "@excalidraw/common";
-
-import type { FileId } from "@excalidraw/element/types";
-
-export type FileLoadingStatus = "loading" | "loaded" | "error";
-
-export class FileStatusStore {
-  private static store = new VersionedSnapshotStore<
-    Map<FileId, FileLoadingStatus>
-  >(new Map());
-
-  static getSnapshot() {
-    return this.store.getSnapshot();
-  }
-
-  static pull(sinceVersion?: number) {
-    return this.store.pull(sinceVersion);
-  }
-
-  static updateStatuses(updates: Array<[FileId, FileLoadingStatus]>) {
-    if (!updates.length) {
-      return;
-    }
-    this.store.update((prev) => {
-      let changed = false;
-      const next = new Map(prev);
-      for (const [id, status] of updates) {
-        if (next.get(id) !== status) {
-          next.set(id, status);
-          changed = true;
-        }
-      }
-      return changed ? next : prev;
-    });
-  }
-
-  static getPendingCount(statuses: Map<FileId, FileLoadingStatus>) {
-    let pending = 0;
-    let total = 0;
-    for (const status of statuses.values()) {
-      total++;
-      if (status === "loading") {
-        pending++;
-      }
-    }
-    return { pending, total };
-  }
-}
@@ -1,12 +1,27 @@
 import { reconcileElements } from "@excalidraw/excalidraw";
-import { MIME_TYPES, toBrandedType } from "@excalidraw/common";
+import type {
+  ExcalidrawElement,
+  FileId,
+  OrderedExcalidrawElement,
+} from "@excalidraw/excalidraw/element/types";
+import { getSceneVersion } from "@excalidraw/excalidraw/element";
+import type Portal from "../collab/Portal";
+import { restoreElements } from "@excalidraw/excalidraw/data/restore";
+import type {
+  AppState,
+  BinaryFileData,
+  BinaryFileMetadata,
+  DataURL,
+} from "@excalidraw/excalidraw/types";
+import { FILE_CACHE_MAX_AGE_SEC } from "../app_constants";
 import { decompressData } from "@excalidraw/excalidraw/data/encode";
 import {
  encryptData,
  decryptData,
 } from "@excalidraw/excalidraw/data/encryption";
-import { restoreElements } from "@excalidraw/excalidraw/data/restore";
-import { getSceneVersion } from "@excalidraw/element";
+import { MIME_TYPES } from "@excalidraw/excalidraw/constants";
+import type { SyncableExcalidrawElement } from ".";
+import { getSyncableElements } from ".";
 import { initializeApp } from "firebase/app";
 import {
  getFirestore,
@@ -16,27 +31,8 @@ import {
  Bytes,
 } from "firebase/firestore";
 import { getStorage, ref, uploadBytes } from "firebase/storage";
-
-import type { RemoteExcalidrawElement } from "@excalidraw/excalidraw/data/reconcile";
-import type {
-  ExcalidrawElement,
-  FileId,
-  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
-import type {
-  AppState,
-  BinaryFileData,
-  BinaryFileMetadata,
-  DataURL,
-} from "@excalidraw/excalidraw/types";
-
-import { FILE_CACHE_MAX_AGE_SEC } from "../app_constants";
-
-import { getSyncableElements } from ".";
-
-import type { SyncableExcalidrawElement } from ".";
-import type Portal from "../collab/Portal";
 import type { Socket } from "socket.io-client";
+import type { RemoteExcalidrawElement } from "@excalidraw/excalidraw/data/reconcile";

 // private
 // -----------------------------------------------------------------------------
@@ -105,8 +101,8 @@ const decryptElements = async (
  data: FirebaseStoredScene,
  roomKey: string,
 ): Promise<readonly ExcalidrawElement[]> => {
-  const ciphertext = data.ciphertext.toUint8Array() as Uint8Array<ArrayBuffer>;
-  const iv = data.iv.toUint8Array() as Uint8Array<ArrayBuffer>;
+  const ciphertext = data.ciphertext.toUint8Array();
+  const iv = data.iv.toUint8Array();

  const decrypted = await decryptData(iv, ciphertext, roomKey);
  const decodedData = new TextDecoder("utf-8").decode(
@@ -243,7 +239,7 @@ export const saveToFirebase = async (

  FirebaseSceneVersionCache.set(socket, storedElements);

-  return toBrandedType<RemoteExcalidrawElement[]>(storedElements);
+  return storedElements;
 };

 export const loadFromFirebase = async (
@@ -259,9 +255,7 @@ export const loadFromFirebase = async (
  }
  const storedScene = docSnap.data() as FirebaseStoredScene;
  const elements = getSyncableElements(
-    restoreElements(await decryptElements(storedScene, roomKey), null, {
-      deleteInvisibleElements: true,
-    }),
+    restoreElements(await decryptElements(storedScene, roomKey), null),
  );

  if (socket) {
@@ -8,38 +8,35 @@ import {
  IV_LENGTH_BYTES,
 } from "@excalidraw/excalidraw/data/encryption";
 import { serializeAsJSON } from "@excalidraw/excalidraw/data/json";
-import { isInvisiblySmallElement } from "@excalidraw/element";
-import { isInitializedImageElement } from "@excalidraw/element";
-import { t } from "@excalidraw/excalidraw/i18n";
-import { bytesToHexString } from "@excalidraw/common";
-
-import type { UserIdleState } from "@excalidraw/common";
+import { restore } from "@excalidraw/excalidraw/data/restore";
 import type { ImportedDataState } from "@excalidraw/excalidraw/data/types";
-import type { SceneBounds } from "@excalidraw/element";
+import type { SceneBounds } from "@excalidraw/excalidraw/element/bounds";
+import { isInvisiblySmallElement } from "@excalidraw/excalidraw/element/sizeHelpers";
+import { isInitializedImageElement } from "@excalidraw/excalidraw/element/typeChecks";
 import type {
  ExcalidrawElement,
  FileId,
  OrderedExcalidrawElement,
-} from "@excalidraw/element/types";
+} from "@excalidraw/excalidraw/element/types";
+import { t } from "@excalidraw/excalidraw/i18n";
 import type {
  AppState,
  BinaryFileData,
  BinaryFiles,
  SocketId,
 } from "@excalidraw/excalidraw/types";
-import type { MakeBrand } from "@excalidraw/common/utility-types";
-
+import type { UserIdleState } from "@excalidraw/excalidraw/constants";
+import type { MakeBrand } from "@excalidraw/excalidraw/utility-types";
+import { bytesToHexString } from "@excalidraw/excalidraw/utils";
+import type { WS_SUBTYPES } from "../app_constants";
 import {
  DELETED_ELEMENT_TIMEOUT,
  FILE_UPLOAD_MAX_BYTES,
  ROOM_ID_BYTES,
 } from "../app_constants";
-
 import { encodeFilesForUpload } from "./FileManager";
 import { saveFilesToFirebase } from "./firebase";

-import type { WS_SUBTYPES } from "../app_constants";
-
 export type SyncableExcalidrawElement = OrderedExcalidrawElement &
  MakeBrand<"SyncableExcalidrawElement">;

@@ -83,13 +80,13 @@ export type SocketUpdateDataSource = {
  SCENE_INIT: {
    type: WS_SUBTYPES.INIT;
    payload: {
-      elements: readonly OrderedExcalidrawElement[];
+      elements: readonly ExcalidrawElement[];
    };
  };
  SCENE_UPDATE: {
    type: WS_SUBTYPES.UPDATE;
    payload: {
-      elements: readonly OrderedExcalidrawElement[];
+      elements: readonly ExcalidrawElement[];
    };
  };
  MOUSE_LOCATION: {
@@ -199,7 +196,7 @@ const legacy_decodeFromBackend = async ({
  };
 };

-export const importFromBackend = async (
+const importFromBackend = async (
  id: string,
  decryptionKey: string,
 ): Promise<ImportedDataState> => {
@@ -241,6 +238,40 @@ export const importFromBackend = async (
  }
 };

+export const loadScene = async (
+  id: string | null,
+  privateKey: string | null,
+  // Supply local state even if importing from backend to ensure we restore
+  // localStorage user settings which we do not persist on server.
+  // Non-optional so we don't forget to pass it even if `undefined`.
+  localDataState: ImportedDataState | undefined | null,
+) => {
+  let data;
+  if (id != null && privateKey != null) {
+    // the private key is used to decrypt the content from the server, take
+    // extra care not to leak it
+    data = restore(
+      await importFromBackend(id, privateKey),
+      localDataState?.appState,
+      localDataState?.elements,
+      { repairBindings: true, refreshDimensions: false },
+    );
+  } else {
+    data = restore(localDataState || null, null, null, {
+      repairBindings: true,
+    });
+  }
+
+  return {
+    elements: data.elements,
+    appState: data.appState,
+    // note: this will always be empty because we're not storing files
+    // in the scene database/localStorage, and instead fetch them async
+    // from a different database
+    files: data.files,
+  };
+};
+
 type ExportToBackendResult =
  | { url: null; errorMessage: string }
  | { url: string; errorMessage: null };
@@ -1,11 +1,10 @@
+import type { ExcalidrawElement } from "@excalidraw/excalidraw/element/types";
+import type { AppState } from "@excalidraw/excalidraw/types";
 import {
  clearAppStateForLocalStorage,
  getDefaultAppState,
 } from "@excalidraw/excalidraw/appState";
-
-import type { ExcalidrawElement } from "@excalidraw/element/types";
-import type { AppState } from "@excalidraw/excalidraw/types";
-
+import { clearElementsForLocalStorage } from "@excalidraw/excalidraw/element";
 import { STORAGE_KEYS } from "../app_constants";

 export const saveUsernameToLocalStorage = (username: string) => {
@@ -49,7 +48,7 @@ export const importFromLocalStorage = () => {
  let elements: ExcalidrawElement[] = [];
  if (savedElements) {
    try {
-      elements = JSON.parse(savedElements);
+      elements = clearElementsForLocalStorage(JSON.parse(savedElements));
    } catch (error: any) {
      console.error(error);
      // Do nothing because elements array is already empty
@@ -1,9 +1,17 @@
+declare global {
+  interface Window {
+    debug: typeof Debug;
+  }
+}
+
 const lessPrecise = (num: number, precision = 5) =>
  parseFloat(num.toPrecision(precision));

 const getAvgFrameTime = (times: number[]) =>
  lessPrecise(times.reduce((a, b) => a + b) / times.length);

+const getFps = (frametime: number) => lessPrecise(1000 / frametime);
+
 export class Debug {
  public static DEBUG_LOG_TIMES = true;

@@ -16,35 +24,34 @@ export class Debug {
  private static LAST_DEBUG_LOG_CALL = 0;
  private static DEBUG_LOG_INTERVAL_ID: null | number = null;

-  private static LAST_FRAME_TIMESTAMP = 0;
-  private static FRAME_COUNT = 0;
-  private static ANIMATION_FRAME_ID: null | number = null;
-
-  private static scheduleAnimationFrame = () => {
-    if (Debug.DEBUG_LOG_INTERVAL_ID !== null) {
-      Debug.ANIMATION_FRAME_ID = requestAnimationFrame((timestamp) => {
-        if (Debug.LAST_FRAME_TIMESTAMP !== timestamp) {
-          Debug.LAST_FRAME_TIMESTAMP = timestamp;
-          Debug.FRAME_COUNT++;
-        }
-
-        if (Debug.DEBUG_LOG_INTERVAL_ID !== null) {
-          Debug.scheduleAnimationFrame();
-        }
-      });
-    }
-  };
-
  private static setupInterval = () => {
    if (Debug.DEBUG_LOG_INTERVAL_ID === null) {
      console.info("%c(starting perf recording)", "color: lime");
      Debug.DEBUG_LOG_INTERVAL_ID = window.setInterval(Debug.debugLogger, 1000);
-      Debug.scheduleAnimationFrame();
    }
    Debug.LAST_DEBUG_LOG_CALL = Date.now();
  };

  private static debugLogger = () => {
+    if (
+      Date.now() - Debug.LAST_DEBUG_LOG_CALL > 600 &&
+      Debug.DEBUG_LOG_INTERVAL_ID !== null
+    ) {
+      window.clearInterval(Debug.DEBUG_LOG_INTERVAL_ID);
+      Debug.DEBUG_LOG_INTERVAL_ID = null;
+      for (const [name, { avg }] of Object.entries(Debug.TIMES_AVG)) {
+        if (avg != null) {
+          console.info(
+            `%c${name} run avg: ${avg}ms (${getFps(avg)} fps)`,
+            "color: blue",
+          );
+        }
+      }
+      console.info("%c(stopping perf recording)", "color: red");
+      Debug.TIMES_AGGR = {};
+      Debug.TIMES_AVG = {};
+      return;
+    }
    if (Debug.DEBUG_LOG_TIMES) {
      for (const [name, { t, times }] of Object.entries(Debug.TIMES_AGGR)) {
        if (times.length) {
@@ -58,18 +65,8 @@ export class Debug {
      }
      for (const [name, { t, times, avg }] of Object.entries(Debug.TIMES_AVG)) {
        if (times.length) {
-          // const avgFrameTime = getAvgFrameTime(times);
-          const totalTime = times.reduce((a, b) => a + b);
-          const avgFrameTime = lessPrecise(totalTime / Debug.FRAME_COUNT);
-          console.info(
-            name,
-            `- ${times.length} calls - ${avgFrameTime}ms/frame across ${
-              Debug.FRAME_COUNT
-            } frames (${lessPrecise(
-              (avgFrameTime / 16.67) * 100,
-              1,
-            )}% of frame budget)`,
-          );
+          const avgFrameTime = getAvgFrameTime(times);
+          console.info(name, `${avgFrameTime}ms (${getFps(avgFrameTime)} fps)`);
          Debug.TIMES_AVG[name] = {
            t,
            times: [],
@@ -79,24 +76,6 @@ export class Debug {
        }
      }
    }
-    Debug.FRAME_COUNT = 0;
-
-    // Check for stop condition after logging
-    if (
-      Date.now() - Debug.LAST_DEBUG_LOG_CALL > 600 &&
-      Debug.DEBUG_LOG_INTERVAL_ID !== null
-    ) {
-      console.info("%c(stopping perf recording)", "color: red");
-      window.clearInterval(Debug.DEBUG_LOG_INTERVAL_ID);
-      window.cancelAnimationFrame(Debug.ANIMATION_FRAME_ID!);
-      Debug.ANIMATION_FRAME_ID = null;
-      Debug.FRAME_COUNT = 0;
-      Debug.LAST_FRAME_TIMESTAMP = 0;
-
-      Debug.DEBUG_LOG_INTERVAL_ID = null;
-      Debug.TIMES_AGGR = {};
-      Debug.TIMES_AVG = {};
-    }
  };

  public static logTime = (time?: number, name = "default") => {
@@ -130,7 +109,7 @@ export class Debug {
      return (...args: T) => {
        const t0 = performance.now();
        const ret = fn(...args);
-        Debug[type](performance.now() - t0, name);
+        Debug.logTime(performance.now() - t0, name);
        return ret;
      };
    };
@@ -151,70 +130,6 @@ export class Debug {
      return ret;
    };
  };
-
-  private static CHANGED_CACHE: Record<string, Record<string, unknown>> = {};
-
-  public static logChanged(name: string, obj: Record<string, unknown>) {
-    const prev = Debug.CHANGED_CACHE[name];
-
-    Debug.CHANGED_CACHE[name] = obj;
-
-    if (!prev) {
-      return;
-    }
-
-    const allKeys = new Set([...Object.keys(prev), ...Object.keys(obj)]);
-    const changed: Record<string, { prev: unknown; next: unknown }> = {};
-
-    for (const key of allKeys) {
-      const prevVal = prev[key];
-      const nextVal = obj[key];
-      if (!deepEqual(prevVal, nextVal)) {
-        changed[key] = { prev: prevVal, next: nextVal };
-      }
-    }
-
-    if (Object.keys(changed).length > 0) {
-      console.info(`[${name}] changed:`, changed);
-    }
-  }
-}
-
-function deepEqual(a: unknown, b: unknown): boolean {
-  if (Object.is(a, b)) {
-    return true;
-  }
-
-  if (
-    a === null ||
-    b === null ||
-    typeof a !== "object" ||
-    typeof b !== "object"
-  ) {
-    return false;
-  }
-
-  if (Array.isArray(a) !== Array.isArray(b)) {
-    return false;
-  }
-
-  const keysA = Object.keys(a as Record<string, unknown>);
-  const keysB = Object.keys(b as Record<string, unknown>);
-
-  if (keysA.length !== keysB.length) {
-    return false;
-  }
-
-  for (const key of keysA) {
-    if (
-      !deepEqual(
-        (a as Record<string, unknown>)[key],
-        (b as Record<string, unknown>)[key],
-      )
-    ) {
-      return false;
-    }
-  }
-
-  return true;
 }
+//@ts-ignore
+window.debug = Debug;
@@ -2,7 +2,7 @@
 <html lang="en">
  <head>
    <meta charset="utf-8" />
-    <title>Excalidraw Whiteboard</title>
+    <title>Excalidraw | Hand-drawn look & feel • Collaborative • Secure</title>
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover, shrink-to-fit=no"
@@ -14,7 +14,7 @@
    <!-- Primary Meta Tags -->
    <meta
      name="title"
-      content="Free, collaborative whiteboard • Hand-drawn look & feel | Excalidraw"
+      content="Excalidraw — Collaborative whiteboarding made easy"
    />
    <meta
      name="description"
@@ -1,5 +1,3 @@
-@import "../packages/excalidraw/css/variables.module.scss";
-
 .excalidraw {
  --color-primary-contrast-offset: #625ee0; // to offset Chubb illusion

@@ -7,6 +5,12 @@
    --color-primary-contrast-offset: #726dff; // to offset Chubb illusion
  }

+  .top-right-ui {
+    display: flex;
+    justify-content: center;
+    align-items: flex-start;
+  }
+
  .footer-center {
    justify-content: flex-end;
    margin-top: auto;
@@ -54,7 +58,7 @@
    }
  }

-  .alert {
+  .collab-offline-warning {
    pointer-events: none;
    position: absolute;
    top: 6.5rem;
@@ -65,18 +69,10 @@
    text-align: center;
    line-height: 1.5;
    border-radius: var(--border-radius-md);
+    background-color: var(--color-warning);
+    color: var(--color-text-warning);
    z-index: 6;
    white-space: pre;
-
-    &--warning {
-      background-color: var(--color-warning);
-      color: var(--color-text-warning);
-    }
-
-    &--danger {
-      background-color: var(--color-danger-dark);
-      color: var(--color-danger-text);
-    }
  }
 }

@@ -86,31 +82,22 @@
  }
 }

-.plus-banner {
+.plus-button {
  display: flex;
  justify-content: center;
  cursor: pointer;
  align-items: center;
  border: 1px solid var(--color-primary);
-  padding: 0.5rem 0.875rem;
+  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-lg);
  background-color: var(--island-bg-color);
+  color: var(--color-primary) !important;
  text-decoration: none !important;

-  font-family: var(--ui-font);
-  font-size: 0.8333rem;
+  font-size: 0.75rem;
  box-sizing: border-box;
  height: var(--lg-button-size);

-  border: none;
-  box-shadow: 0 0 0 1px var(--color-surface-lowest);
-  background-color: var(--color-surface-low);
-  color: var(--button-color, var(--color-on-surface)) !important;
-
-  &:active {
-    box-shadow: 0 0 0 1px var(--color-brand-active);
-  }
-
  &:hover {
    background-color: var(--color-primary);
    color: white !important;
@@ -122,7 +109,7 @@
 }

 .theme--dark {
-  .plus-banner {
+  .plus-button {
    &:hover {
      color: black !important;
    }
@@ -1,11 +1,9 @@
 import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
+import ExcalidrawApp from "./App";
 import { registerSW } from "virtual:pwa-register";

 import "../excalidraw-app/sentry";
-
-import ExcalidrawApp from "./App";
-
 window.__EXCALIDRAW_SHA__ = import.meta.env.VITE_APP_GIT_SHA;
 const rootElement = document.getElementById("root")!;
 const root = createRoot(rootElement);
@@ -23,7 +23,7 @@
    ]
  },
  "engines": {
-    "node": ">=18.0.0"
+    "node": "18.0.0 - 22.x.x"
  },
  "dependencies": {
    "@excalidraw/random-username": "1.0.0",
@@ -36,7 +36,6 @@
    "react": "19.0.0",
    "react-dom": "19.0.0",
    "socket.io-client": "4.7.2",
-    "uqr": "0.1.2",
    "vite-plugin-html": "3.2.2"
  },
  "prettier": "@excalidraw/prettier-config",
@@ -1,4 +1,3 @@
-import { getFeatureFlag } from "@excalidraw/common";
 import * as Sentry from "@sentry/browser";
 import callsites from "callsites";

@@ -34,7 +33,6 @@ Sentry.init({
    Sentry.captureConsoleIntegration({
      levels: ["error"],
    }),
-    Sentry.featureFlagsIntegration(),
  ],
  beforeSend(event) {
    if (event.request?.url) {
@@ -81,14 +79,3 @@ Sentry.init({
    return event;
  },
 });
-
-const flagsIntegration =
-  Sentry.getClient()?.getIntegrationByName<Sentry.FeatureFlagsIntegration>(
-    "FeatureFlags",
-  );
-if (flagsIntegration) {
-  flagsIntegration.addFeatureFlag(
-    "COMPLEX_BINDINGS",
-    getFeatureFlag("COMPLEX_BINDINGS"),
-  );
-}
@@ -1,56 +0,0 @@
-import { useEffect, useState } from "react";
-import Spinner from "@excalidraw/excalidraw/components/Spinner";
-
-interface QRCodeProps {
-  value: string;
-}
-
-export const QRCode = ({ value }: QRCodeProps) => {
-  const [svgData, setSvgData] = useState<string | null>(null);
-  const [error, setError] = useState<boolean>(false);
-
-  useEffect(() => {
-    let mounted = true;
-
-    import("./qrcode.chunk")
-      .then(({ generateQRCodeSVG }) => {
-        if (mounted) {
-          try {
-            setSvgData(generateQRCodeSVG(value));
-          } catch {
-            setError(true);
-          }
-        }
-      })
-      .catch(() => {
-        if (mounted) {
-          setError(true);
-        }
-      });
-
-    return () => {
-      mounted = false;
-    };
-  }, [value]);
-
-  if (error) {
-    return null;
-  }
-
-  if (!svgData) {
-    return (
-      <div className="ShareDialog__active__qrcode ShareDialog__active__qrcode--loading">
-        <Spinner />
-      </div>
-    );
-  }
-
-  return (
-    <div
-      className="ShareDialog__active__qrcode"
-      role="img"
-      aria-label="QR code for collaboration link"
-      dangerouslySetInnerHTML={{ __html: svgData }}
-    />
-  );
-};
@@ -140,31 +140,6 @@
        gap: 0.75rem;
      }

-      &__qrcode {
-        display: flex;
-        justify-content: center;
-        align-items: center;
-        align-self: center;
-        padding: 1rem;
-        background: #fff;
-        border-radius: 0.5rem;
-        border: 1px solid #e0e0e0;
-
-        $size: 150px;
-        width: $size;
-        height: $size;
-
-        & svg {
-          width: $size;
-          height: $size;
-        }
-
-        &--loading {
-          background: var(--island-bg-color);
-          border: 1px solid var(--dialog-border-color);
-        }
-      }
-
      &__description {
        border-top: 1px solid var(--color-gray-20);

@@ -1,8 +1,10 @@
-import { trackEvent } from "@excalidraw/excalidraw/analytics";
+import { useEffect, useRef, useState } from "react";
 import { copyTextToSystemClipboard } from "@excalidraw/excalidraw/clipboard";
+import { trackEvent } from "@excalidraw/excalidraw/analytics";
+import { getFrame } from "@excalidraw/excalidraw/utils";
+import { useI18n } from "@excalidraw/excalidraw/i18n";
+import { KEYS } from "@excalidraw/excalidraw/keys";
 import { Dialog } from "@excalidraw/excalidraw/components/Dialog";
-import { FilledButton } from "@excalidraw/excalidraw/components/FilledButton";
-import { TextField } from "@excalidraw/excalidraw/components/TextField";
 import {
  copyIcon,
  LinkIcon,
@@ -12,19 +14,15 @@ import {
  shareIOS,
  shareWindows,
 } from "@excalidraw/excalidraw/components/icons";
+import { TextField } from "@excalidraw/excalidraw/components/TextField";
+import { FilledButton } from "@excalidraw/excalidraw/components/FilledButton";
+import type { CollabAPI } from "../collab/Collab";
+import { activeRoomLinkAtom } from "../collab/Collab";
 import { useUIAppState } from "@excalidraw/excalidraw/context/ui-appState";
 import { useCopyStatus } from "@excalidraw/excalidraw/hooks/useCopiedIndicator";
-import { useI18n } from "@excalidraw/excalidraw/i18n";
-import { KEYS, getFrame } from "@excalidraw/common";
-import { useEffect, useRef, useState } from "react";
-
 import { atom, useAtom, useAtomValue } from "../app-jotai";
-import { activeRoomLinkAtom } from "../collab/Collab";

 import "./ShareDialog.scss";
-import { QRCode } from "./QRCode";
-
-import type { CollabAPI } from "../collab/Collab";

 type OnExportToBackend = () => void;
 type ShareDialogType = "share" | "collaborationOnly";
@@ -143,7 +141,6 @@ const ActiveRoomDialog = ({
          }}
        />
      </div>
-      <QRCode value={activeRoomLink} />
      <div className="ShareDialog__active__description">
        <p>
          <span
@@ -1,5 +0,0 @@
-import { renderSVG } from "uqr";
-
-export const generateQRCodeSVG = (text: string): string => {
-  return renderSVG(text);
-};
@@ -1,11 +1,11 @@
-import { UI } from "@excalidraw/excalidraw/tests/helpers/ui";
+import ExcalidrawApp from "../App";
 import {
  mockBoundingClientRect,
  render,
  restoreOriginalGetBoundingClientRect,
 } from "@excalidraw/excalidraw/tests/test-utils";

-import ExcalidrawApp from "../App";
+import { UI } from "@excalidraw/excalidraw/tests/helpers/ui";

 describe("Test MobileMenu", () => {
  const { h } = window;
@@ -17,15 +17,30 @@ describe("Test MobileMenu", () => {

  beforeEach(async () => {
    await render(<ExcalidrawApp />);
-    h.app.refreshEditorInterface();
+    // @ts-ignore
+    h.app.refreshViewportBreakpoints();
+    // @ts-ignore
+    h.app.refreshEditorBreakpoints();
  });

  afterAll(() => {
    restoreOriginalGetBoundingClientRect();
  });

-  it("should set editor interface correctly", () => {
-    expect(h.app.editorInterface.formFactor).toBe("phone");
+  it("should set device correctly", () => {
+    expect(h.app.device).toMatchInlineSnapshot(`
+      {
+        "editor": {
+          "canFitSidebar": false,
+          "isMobile": true,
+        },
+        "isTouchScreen": false,
+        "viewport": {
+          "isLandscape": false,
+          "isMobile": true,
+        },
+      }
+    `);
  });

  it("should initialize with welcome screen and hide once user interacts", async () => {
@@ -50,11 +50,7 @@ exports[`Test MobileMenu > should initialize with welcome screen and hide once u
  <div
    class="welcome-screen-center__heading welcome-screen-decor excalifont"
  >
-    Your drawings are saved in your browser's storage.
-    <br />
-    Browser storage can be cleared unexpectedly.
-    <br />
-    Save your work to a file regularly to avoid losing it.
+    All your data is saved locally in your browser.
  </div>
  <div
    class="welcome-screen-menu"
@@ -202,7 +198,7 @@ exports[`Test MobileMenu > should initialize with welcome screen and hide once u
    <a
      class="welcome-screen-menu-item "
      href="undefined/plus?utm_source=excalidraw&utm_medium=app&utm_content=welcomeScreenGuest"
-      rel="noopener"
+      rel="noreferrer"
      target="_blank"
    >
      <div
@@ -1,18 +1,13 @@
-import { CaptureUpdateAction, newElementWith } from "@excalidraw/excalidraw";
+import { vi } from "vitest";
+import { act, render, waitFor } from "@excalidraw/excalidraw/tests/test-utils";
+import ExcalidrawApp from "../App";
+import { API } from "@excalidraw/excalidraw/tests/helpers/api";
+import { syncInvalidIndices } from "@excalidraw/excalidraw/fractionalIndex";
 import {
  createRedoAction,
  createUndoAction,
 } from "@excalidraw/excalidraw/actions/actionHistory";
-import { syncInvalidIndices } from "@excalidraw/element";
-import { API } from "@excalidraw/excalidraw/tests/helpers/api";
-import { act, render, waitFor } from "@excalidraw/excalidraw/tests/test-utils";
-import { vi } from "vitest";
-
-import { StoreIncrement } from "@excalidraw/element";
-
-import type { DurableIncrement, EphemeralIncrement } from "@excalidraw/element";
-
-import ExcalidrawApp from "../App";
+import { CaptureUpdateAction, newElementWith } from "@excalidraw/excalidraw";

 const { h } = window;

@@ -69,79 +64,6 @@ vi.mock("socket.io-client", () => {
 * i.e. multiplayer history tests could be a good first candidate, as we could test both history stacks simultaneously.
 */
 describe("collaboration", () => {
-  it("should emit two ephemeral increments even though updates get batched", async () => {
-    const durableIncrements: DurableIncrement[] = [];
-    const ephemeralIncrements: EphemeralIncrement[] = [];
-
-    await render(<ExcalidrawApp />);
-
-    h.store.onStoreIncrementEmitter.on((increment) => {
-      if (StoreIncrement.isDurable(increment)) {
-        durableIncrements.push(increment);
-      } else {
-        ephemeralIncrements.push(increment);
-      }
-    });
-
-    // eslint-disable-next-line dot-notation
-    expect(h.store["scheduledMicroActions"].length).toBe(0);
-    expect(durableIncrements.length).toBe(0);
-    expect(ephemeralIncrements.length).toBe(0);
-
-    const rectProps = {
-      type: "rectangle",
-      id: "A",
-      height: 200,
-      width: 100,
-      x: 0,
-      y: 0,
-    } as const;
-
-    const rect = API.createElement({ ...rectProps });
-
-    API.updateScene({
-      elements: [rect],
-      captureUpdate: CaptureUpdateAction.IMMEDIATELY,
-    });
-
-    await waitFor(() => {
-      // expect(commitSpy).toHaveBeenCalledTimes(1);
-      expect(durableIncrements.length).toBe(1);
-    });
-
-    // simulate two batched remote updates
-    act(() => {
-      h.app.updateScene({
-        elements: [newElementWith(h.elements[0], { x: 100 })],
-        captureUpdate: CaptureUpdateAction.NEVER,
-      });
-      h.app.updateScene({
-        elements: [newElementWith(h.elements[0], { x: 200 })],
-        captureUpdate: CaptureUpdateAction.NEVER,
-      });
-
-      // we scheduled two micro actions,
-      // which confirms they are going to be executed as part of one batched component update
-      // eslint-disable-next-line dot-notation
-      expect(h.store["scheduledMicroActions"].length).toBe(2);
-    });
-
-    await waitFor(() => {
-      // altough the updates get batched,
-      // we expect two ephemeral increments for each update,
-      // and each such update should have the expected change
-      expect(ephemeralIncrements.length).toBe(2);
-      expect(ephemeralIncrements[0].change.elements.A).toEqual(
-        expect.objectContaining({ x: 100 }),
-      );
-      expect(ephemeralIncrements[1].change.elements.A).toEqual(
-        expect.objectContaining({ x: 200 }),
-      );
-      // eslint-disable-next-line dot-notation
-      expect(h.store["scheduledMicroActions"].length).toBe(0);
-    });
-  });
-
  it("should allow to undo / redo even on force-deleted elements", async () => {
    await render(<ExcalidrawApp />);
    const rect1Props = {
@@ -199,13 +121,12 @@ describe("collaboration", () => {
      expect(h.elements).toEqual([expect.objectContaining(rect1Props)]);
    });

-    const undoAction = createUndoAction(h.history);
+    const undoAction = createUndoAction(h.history, h.store);
    act(() => h.app.actionManager.executeAction(undoAction));

    // with explicit undo (as addition) we expect our item to be restored from the snapshot!
    await waitFor(() => {
      expect(API.getUndoStack().length).toBe(1);
-      expect(API.getRedoStack().length).toBe(1);
      expect(API.getSnapshot()).toEqual([
        expect.objectContaining(rect1Props),
        expect.objectContaining({ ...rect2Props, isDeleted: false }),
@@ -232,7 +153,7 @@ describe("collaboration", () => {
      expect(h.elements).toEqual([expect.objectContaining(rect1Props)]);
    });

-    const redoAction = createRedoAction(h.history);
+    const redoAction = createRedoAction(h.history, h.store);
    act(() => h.app.actionManager.executeAction(redoAction));

    // with explicit redo (as removal) we again restore the element from the snapshot!
@@ -248,5 +169,79 @@ describe("collaboration", () => {
        expect.objectContaining({ ...rect2Props, isDeleted: true }),
      ]);
    });
+
+    act(() => h.app.actionManager.executeAction(undoAction));
+
+    // simulate local update
+    API.updateScene({
+      elements: syncInvalidIndices([
+        h.elements[0],
+        newElementWith(h.elements[1], { x: 100 }),
+      ]),
+      captureUpdate: CaptureUpdateAction.IMMEDIATELY,
+    });
+
+    await waitFor(() => {
+      expect(API.getUndoStack().length).toBe(2);
+      expect(API.getRedoStack().length).toBe(0);
+      expect(API.getSnapshot()).toEqual([
+        expect.objectContaining(rect1Props),
+        expect.objectContaining({ ...rect2Props, isDeleted: false, x: 100 }),
+      ]);
+      expect(h.elements).toEqual([
+        expect.objectContaining(rect1Props),
+        expect.objectContaining({ ...rect2Props, isDeleted: false, x: 100 }),
+      ]);
+    });
+
+    act(() => h.app.actionManager.executeAction(undoAction));
+
+    // we expect to iterate the stack to the first visible change
+    await waitFor(() => {
+      expect(API.getUndoStack().length).toBe(1);
+      expect(API.getRedoStack().length).toBe(1);
+      expect(API.getSnapshot()).toEqual([
+        expect.objectContaining(rect1Props),
+        expect.objectContaining({ ...rect2Props, isDeleted: false, x: 0 }),
+      ]);
+      expect(h.elements).toEqual([
+        expect.objectContaining(rect1Props),
+        expect.objectContaining({ ...rect2Props, isDeleted: false, x: 0 }),
+      ]);
+    });
+
+    // simulate force deleting the element remotely
+    API.updateScene({
+      elements: syncInvalidIndices([rect1]),
+      captureUpdate: CaptureUpdateAction.NEVER,
+    });
+
+    // snapshot was correctly updated and marked the element as deleted
+    await waitFor(() => {
+      expect(API.getUndoStack().length).toBe(1);
+      expect(API.getRedoStack().length).toBe(1);
+      expect(API.getSnapshot()).toEqual([
+        expect.objectContaining(rect1Props),
+        expect.objectContaining({ ...rect2Props, isDeleted: true, x: 0 }),
+      ]);
+      expect(h.elements).toEqual([expect.objectContaining(rect1Props)]);
+    });
+
+    act(() => h.app.actionManager.executeAction(redoAction));
+
+    // with explicit redo (as update) we again restored the element from the snapshot!
+    await waitFor(() => {
+      expect(API.getUndoStack().length).toBe(2);
+      expect(API.getRedoStack().length).toBe(0);
+      expect(API.getSnapshot()).toEqual([
+        expect.objectContaining({ id: "A", isDeleted: false }),
+        expect.objectContaining({ id: "B", isDeleted: true, x: 100 }),
+      ]);
+      expect(h.history.isRedoStackEmpty).toBeTruthy();
+      expect(h.elements).toEqual([
+        expect.objectContaining({ id: "A", isDeleted: false }),
+        expect.objectContaining({ id: "B", isDeleted: true, x: 100 }),
+      ]);
+    });
  });
 });
@@ -1,9 +1,8 @@
-import { THEME } from "@excalidraw/excalidraw";
-import { EVENT, CODES, KEYS } from "@excalidraw/common";
 import { useEffect, useLayoutEffect, useState } from "react";
-
-import type { Theme } from "@excalidraw/element/types";
-
+import { THEME } from "@excalidraw/excalidraw";
+import { EVENT } from "@excalidraw/excalidraw/constants";
+import type { Theme } from "@excalidraw/excalidraw/element/types";
+import { CODES, KEYS } from "@excalidraw/excalidraw/keys";
 import { STORAGE_KEYS } from "./app_constants";

 const getDarkThemeMediaQuery = (): MediaQueryList | undefined =>
@@ -23,57 +23,29 @@ export default defineConfig(({ mode }) => {
    envDir: "../",
    resolve: {
      alias: [
-        {
-          find: /^@excalidraw\/common$/,
-          replacement: path.resolve(
-            __dirname,
-            "../packages/common/src/index.ts",
-          ),
-        },
-        {
-          find: /^@excalidraw\/common\/(.*?)/,
-          replacement: path.resolve(__dirname, "../packages/common/src/$1"),
-        },
-        {
-          find: /^@excalidraw\/element$/,
-          replacement: path.resolve(
-            __dirname,
-            "../packages/element/src/index.ts",
-          ),
-        },
-        {
-          find: /^@excalidraw\/element\/(.*?)/,
-          replacement: path.resolve(__dirname, "../packages/element/src/$1"),
-        },
        {
          find: /^@excalidraw\/excalidraw$/,
-          replacement: path.resolve(
-            __dirname,
-            "../packages/excalidraw/index.tsx",
-          ),
+          replacement: path.resolve(__dirname, "../packages/excalidraw/index.tsx"),
        },
        {
          find: /^@excalidraw\/excalidraw\/(.*?)/,
          replacement: path.resolve(__dirname, "../packages/excalidraw/$1"),
        },
-        {
-          find: /^@excalidraw\/math$/,
-          replacement: path.resolve(__dirname, "../packages/math/src/index.ts"),
-        },
-        {
-          find: /^@excalidraw\/math\/(.*?)/,
-          replacement: path.resolve(__dirname, "../packages/math/src/$1"),
-        },
        {
          find: /^@excalidraw\/utils$/,
-          replacement: path.resolve(
-            __dirname,
-            "../packages/utils/src/index.ts",
-          ),
+          replacement: path.resolve(__dirname, "../packages/utils/index.ts"),
        },
        {
          find: /^@excalidraw\/utils\/(.*?)/,
-          replacement: path.resolve(__dirname, "../packages/utils/src/$1"),
+          replacement: path.resolve(__dirname, "../packages/utils/$1"),
+        },
+        {
+          find: /^@excalidraw\/math$/,
+          replacement: path.resolve(__dirname, "../packages/math/index.ts"),
+        },
+        {
+          find: /^@excalidraw\/math\/(.*?)/,
+          replacement: path.resolve(__dirname, "../packages/math/$1"),
        },
      ],
    },
@@ -102,14 +74,6 @@ export default defineConfig(({ mode }) => {
              // Taking the substring after "locales/"
              return `locales/${id.substring(index + 8)}`;
            }
-
-            if (id.includes("@excalidraw/mermaid-to-excalidraw")) {
-              return "mermaid-to-excalidraw";
-            }
-
-            if (id.includes("@codemirror/") || id.includes("@lezer/")) {
-              return "codemirror.chunk";
-            }
          },
        },
      },
@@ -154,11 +118,6 @@ export default defineConfig(({ mode }) => {
            "**/locales/**",
            "service-worker.js",
            "**/*.chunk-*.js",
-            // CodeMirrorEditor can't be assigned a `.chunk` name via
-            // manualChunks because Rollup would hoist shared deps (React)
-            // via a static import from the main bundle, defeating lazy
-            // loading. So we exclude it by name instead.
-            "**/CodeMirrorEditor-*.js",
          ],
          runtimeCaching: [
            {
@@ -198,7 +157,7 @@ export default defineConfig(({ mode }) => {
              },
            },
            {
-              urlPattern: new RegExp("(.chunk-.+|CodeMirrorEditor-.+)\\.js"),
+              urlPattern: new RegExp(".chunk-.+.js"),
              handler: "CacheFirst",
              options: {
                cacheName: "chunk",
@@ -209,7 +168,6 @@ export default defineConfig(({ mode }) => {
              },
            },
          ],
-          maximumFileSizeToCacheInBytes: 2.3 * 1024 ** 2, // 2.3MB
        },
        manifest: {
          short_name: "Excalidraw",
@@ -239,7 +197,7 @@ export default defineConfig(({ mode }) => {
            },
          ],
          start_url: "/",
-          id: "excalidraw",
+          id:"excalidraw",
          display: "standalone",
          theme_color: "#121212",
          background_color: "#ffffff",
@@ -4,7 +4,9 @@
  "packageManager": "yarn@1.22.22",
  "workspaces": [
    "excalidraw-app",
-    "packages/*",
+    "packages/excalidraw",
+    "packages/utils",
+    "packages/math",
    "examples/*"
  ],
  "devDependencies": {
@@ -24,7 +26,6 @@
    "dotenv": "16.0.1",
    "eslint-config-prettier": "8.5.0",
    "eslint-config-react-app": "7.0.1",
-    "eslint-plugin-import": "2.31.0",
    "eslint-plugin-prettier": "3.3.1",
    "http-server": "14.1.1",
    "husky": "7.0.4",
@@ -33,8 +34,7 @@
    "pepjs": "0.5.3",
    "prettier": "2.6.2",
    "rewire": "6.0.0",
-    "rimraf": "^5.0.0",
-    "typescript": "5.9.3",
+    "typescript": "4.9.4",
    "vite": "5.0.12",
    "vite-plugin-checker": "0.7.2",
    "vite-plugin-ejs": "1.7.0",
@@ -44,7 +44,7 @@
    "vitest-canvas-mock": "0.3.3"
  },
  "engines": {
-    "node": ">=18.0.0"
+    "node": "18.0.0 - 22.x.x"
  },
  "homepage": ".",
  "prettier": "@excalidraw/prettier-config",
@@ -52,17 +52,13 @@
    "build-node": "node ./scripts/build-node.js",
    "build:app:docker": "yarn --cwd ./excalidraw-app build:app:docker",
    "build:app": "yarn --cwd ./excalidraw-app build:app",
-    "build:common": "yarn --cwd ./packages/common build:esm",
-    "build:element": "yarn --cwd ./packages/element build:esm",
-    "build:excalidraw": "yarn --cwd ./packages/excalidraw build:esm",
-    "build:math": "yarn --cwd ./packages/math build:esm",
-    "build:packages": "yarn build:common && yarn build:math && yarn build:element && yarn build:excalidraw",
+    "build:package": "yarn --cwd ./packages/excalidraw build:esm",
    "build:version": "yarn --cwd ./excalidraw-app build:version",
    "build": "yarn --cwd ./excalidraw-app build",
    "build:preview": "yarn --cwd ./excalidraw-app build:preview",
    "start": "yarn --cwd ./excalidraw-app start",
    "start:production": "yarn --cwd ./excalidraw-app start:production",
-    "start:example": "yarn build:packages && yarn --cwd ./examples/with-script-in-browser start",
+    "start:example": "yarn build:package && yarn --cwd ./examples/with-script-in-browser start",
    "test:all": "yarn test:typecheck && yarn test:code && yarn test:other && yarn test:app --watch=false",
    "test:app": "vitest",
    "test:code": "eslint --max-warnings=0 --ext .js,.ts,.tsx .",
@@ -80,15 +76,15 @@
    "locales-coverage:description": "node scripts/locales-coverage-description.js",
    "prepare": "husky install",
    "prettier": "prettier \"**/*.{css,scss,json,md,html,yml}\" --ignore-path=.eslintignore",
-    "release": "node scripts/release.js",
-    "release:test": "node scripts/release.js --tag=test",
-    "release:next": "node scripts/release.js --tag=next",
-    "release:latest": "node scripts/release.js --tag=latest",
-    "rm:build": "rimraf --glob excalidraw-app/build excalidraw-app/dist excalidraw-app/dev-dist packages/*/dist packages/*/build examples/*/build examples/*/dist",
-    "rm:node_modules": "rimraf --glob node_modules excalidraw-app/node_modules packages/*/node_modules",
+    "autorelease": "node scripts/autorelease.js",
+    "prerelease:excalidraw": "node scripts/prerelease.js",
+    "release:excalidraw": "node scripts/release.js",
+    "rm:build": "rm -rf excalidraw-app/{build,dist,dev-dist} && rm -rf packages/*/{dist,build} && rm -rf examples/*/{build,dist}",
+    "rm:node_modules": "rm -rf node_modules && rm -rf excalidraw-app/node_modules && rm -rf packages/*/node_modules",
    "clean-install": "yarn rm:node_modules && yarn install"
  },
  "resolutions": {
+    "@types/d3-dispatch": "3.0.6",
    "strip-ansi": "6.0.1"
  }
 }
@@ -1,3 +0,0 @@
-{
-  "extends": ["../eslintrc.base.json"]
-}
@@ -1,19 +0,0 @@
-# @excalidraw/common
-
-## Install
-
-```bash
-npm install @excalidraw/common
-```
-
-If you prefer Yarn over npm, use this command to install the Excalidraw utils package:
-
-```bash
-yarn add @excalidraw/common
-```
-
-With PNPM, similarly install the package with this command:
-
-```bash
-pnpm add @excalidraw/common
-```
@@ -1,3 +0,0 @@
-/// <reference types="vite/client" />
-import "@excalidraw/excalidraw/global";
-import "@excalidraw/excalidraw/css";
@@ -1,65 +0,0 @@
-{
-  "name": "@excalidraw/common",
-  "version": "0.18.0",
-  "type": "module",
-  "types": "./dist/types/common/src/index.d.ts",
-  "main": "./dist/prod/index.js",
-  "module": "./dist/prod/index.js",
-  "exports": {
-    ".": {
-      "types": "./dist/types/common/src/index.d.ts",
-      "development": "./dist/dev/index.js",
-      "production": "./dist/prod/index.js",
-      "default": "./dist/prod/index.js"
-    },
-    "./*": {
-      "types": "./dist/types/common/src/*.d.ts",
-      "development": "./dist/dev/index.js",
-      "production": "./dist/prod/index.js",
-      "default": "./dist/prod/index.js"
-    }
-  },
-  "files": [
-    "dist/*"
-  ],
-  "description": "Excalidraw common functions, constants, etc.",
-  "publishConfig": {
-    "access": "public"
-  },
-  "license": "MIT",
-  "keywords": [
-    "excalidraw",
-    "excalidraw-utils"
-  ],
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not ie <= 11",
-      "not op_mini all",
-      "not safari < 12",
-      "not kaios <= 2.5",
-      "not edge < 79",
-      "not chrome < 70",
-      "not and_uc < 13",
-      "not samsung < 10"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
-  },
-  "bugs": "https://github.com/excalidraw/excalidraw/issues",
-  "repository": "https://github.com/excalidraw/excalidraw",
-  "scripts": {
-    "gen:types": "rimraf types && tsc",
-    "build:esm": "rimraf dist && node ../../scripts/buildBase.js && yarn gen:types"
-  },
-  "dependencies": {
-    "tinycolor2": "1.6.0"
-  },
-  "devDependencies": {
-    "@types/tinycolor2": "1.4.6"
-  }
-}
@@ -1,185 +0,0 @@
-// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
-
-exports[`COLOR_PALETTE > color palette doesn't regress 1`] = `
-{
-  "black": "#1e1e1e",
-  "blue": [
-    "#e7f5ff",
-    "#a5d8ff",
-    "#4dabf7",
-    "#228be6",
-    "#1971c2",
-  ],
-  "bronze": [
-    "#f8f1ee",
-    "#eaddd7",
-    "#d2bab0",
-    "#a18072",
-    "#846358",
-  ],
-  "cyan": [
-    "#e3fafc",
-    "#99e9f2",
-    "#3bc9db",
-    "#15aabf",
-    "#0c8599",
-  ],
-  "grape": [
-    "#f8f0fc",
-    "#eebefa",
-    "#da77f2",
-    "#be4bdb",
-    "#9c36b5",
-  ],
-  "gray": [
-    "#f8f9fa",
-    "#e9ecef",
-    "#ced4da",
-    "#868e96",
-    "#343a40",
-  ],
-  "green": [
-    "#ebfbee",
-    "#b2f2bb",
-    "#69db7c",
-    "#40c057",
-    "#2f9e44",
-  ],
-  "orange": [
-    "#fff4e6",
-    "#ffd8a8",
-    "#ffa94d",
-    "#fd7e14",
-    "#e8590c",
-  ],
-  "pink": [
-    "#fff0f6",
-    "#fcc2d7",
-    "#f783ac",
-    "#e64980",
-    "#c2255c",
-  ],
-  "red": [
-    "#fff5f5",
-    "#ffc9c9",
-    "#ff8787",
-    "#fa5252",
-    "#e03131",
-  ],
-  "teal": [
-    "#e6fcf5",
-    "#96f2d7",
-    "#38d9a9",
-    "#12b886",
-    "#099268",
-  ],
-  "transparent": "transparent",
-  "violet": [
-    "#f3f0ff",
-    "#d0bfff",
-    "#9775fa",
-    "#7950f2",
-    "#6741d9",
-  ],
-  "white": "#ffffff",
-  "yellow": [
-    "#fff9db",
-    "#ffec99",
-    "#ffd43b",
-    "#fab005",
-    "#f08c00",
-  ],
-}
-`;
-
-exports[`applyDarkModeFilter > COLOR_PALETTE regression tests > matches snapshot for all palette colors 1`] = `
-{
-  "black": "#d3d3d3",
-  "blue": [
-    "#121e26",
-    "#154162",
-    "#2273b4",
-    "#3791e0",
-    "#56a2e8",
-  ],
-  "bronze": [
-    "#221c1a",
-    "#362b26",
-    "#5a463d",
-    "#917569",
-    "#a98d84",
-  ],
-  "cyan": [
-    "#0a1e20",
-    "#004149",
-    "#007281",
-    "#0f8fa1",
-    "#3da5b6",
-  ],
-  "grape": [
-    "#211a25",
-    "#5b3165",
-    "#a954be",
-    "#d471ed",
-    "#e28af8",
-  ],
-  "gray": [
-    "#161718",
-    "#202325",
-    "#33383d",
-    "#6e757c",
-    "#b7bcc1",
-  ],
-  "green": [
-    "#0f1d12",
-    "#043b0c",
-    "#056715",
-    "#16842a",
-    "#39994b",
-  ],
-  "orange": [
-    "#22190d",
-    "#4c2b01",
-    "#924800",
-    "#cd6005",
-    "#f17634",
-  ],
-  "pink": [
-    "#26191e",
-    "#602e40",
-    "#b04d70",
-    "#f56e9d",
-    "#ff8dbc",
-  ],
-  "red": [
-    "#1f1717",
-    "#5a2c2c",
-    "#b44d4d",
-    "#fa6969",
-    "#ff8383",
-  ],
-  "teal": [
-    "#0a1d17",
-    "#00422b",
-    "#00744b",
-    "#039267",
-    "#32a783",
-  ],
-  "transparent": "#ededed00",
-  "violet": [
-    "#1f1c29",
-    "#4a3b72",
-    "#8a6cdf",
-    "#a885ff",
-    "#b595ff",
-  ],
-  "white": "#121212",
-  "yellow": [
-    "#1e1900",
-    "#362600",
-    "#5f3a00",
-    "#905000",
-    "#b86200",
-  ],
-}
-`;
@@ -1,74 +0,0 @@
-import { AppEventBus } from "./appEventBus";
-
-type TestEvents = {
-  initialize: [api: number];
-  pointerUp: [pointerId: string];
-  viewState: [zoom: number];
-};
-
-const behavior = {
-  initialize: { cardinality: "once", replay: "last" },
-  pointerUp: { cardinality: "many", replay: "none" },
-  viewState: { cardinality: "many", replay: "last" },
-} as const;
-
-const flushMicrotasks = async () => Promise.resolve();
-
-describe("AppEventBus", () => {
-  it("replays once events to late callback and Promise subscribers", async () => {
-    const bus = new AppEventBus<TestEvents, typeof behavior>(behavior);
-    bus.emit("initialize", 42);
-
-    const calls: number[] = [];
-    bus.on("initialize", (value) => {
-      calls.push(value);
-    });
-
-    expect(calls).toEqual([]);
-    await flushMicrotasks();
-    expect(calls).toEqual([42]);
-
-    await expect(bus.on("initialize")).resolves.toBe(42);
-  });
-
-  it("does not replay stream events to late subscribers", async () => {
-    const bus = new AppEventBus<TestEvents, typeof behavior>(behavior);
-    bus.emit("pointerUp", "first");
-
-    const calls: string[] = [];
-    bus.on("pointerUp", (pointerId) => {
-      calls.push(pointerId);
-    });
-
-    await flushMicrotasks();
-    expect(calls).toEqual([]);
-
-    bus.emit("pointerUp", "second");
-    expect(calls).toEqual(["second"]);
-  });
-
-  it("replays replay-last stream events and stays subscribed", async () => {
-    const bus = new AppEventBus<TestEvents, typeof behavior>(behavior);
-    bus.emit("viewState", 1);
-
-    const calls: number[] = [];
-    bus.on("viewState", (zoom) => {
-      calls.push(zoom);
-    });
-
-    await flushMicrotasks();
-    expect(calls).toEqual([1]);
-
-    bus.emit("viewState", 2);
-    expect(calls).toEqual([1, 2]);
-  });
-
-  it("throws when emitting a once event twice", () => {
-    const bus = new AppEventBus<TestEvents, typeof behavior>(behavior);
-    bus.emit("initialize", 1);
-
-    expect(() => {
-      bus.emit("initialize", 2);
-    }).toThrow('Event "initialize" can only be emitted once');
-  });
-});
@@ -1,136 +0,0 @@
-import type { UnsubscribeCallback } from "@excalidraw/excalidraw/types";
-
-import { Emitter } from "./emitter";
-import { isProdEnv } from "./utils";
-
-export type AppEventPayloadMap = Record<string, unknown[]>;
-
-export type AppEventBehavior = {
-  cardinality: "once" | "many";
-  replay: "none" | "last";
-};
-
-export type AppEventBehaviorMap<Events extends AppEventPayloadMap> = {
-  [K in keyof Events]: AppEventBehavior;
-};
-
-type AwaitableAppEventKeys<
-  Events extends AppEventPayloadMap,
-  Behavior extends AppEventBehaviorMap<Events>,
-> = {
-  [K in keyof Events]: Behavior[K]["cardinality"] extends "once"
-    ? Behavior[K]["replay"] extends "last"
-      ? K
-      : never
-    : never;
-}[keyof Events];
-
-type AppEventPromiseValue<Args extends any[]> = Args extends [infer Only]
-  ? Only
-  : Args;
-
-export class AppEventBus<
-  Events extends AppEventPayloadMap,
-  Behavior extends AppEventBehaviorMap<Events>,
-> {
-  private readonly emitters = new Map<keyof Events, Emitter<any>>();
-  private readonly lastPayload = new Map<keyof Events, any[]>();
-  private readonly emittedOnce = new Set<keyof Events>();
-
-  constructor(private readonly behavior: Behavior) {}
-
-  private getEmitter<K extends keyof Events>(name: K): Emitter<Events[K]> {
-    let emitter = this.emitters.get(name);
-    if (!emitter) {
-      emitter = new Emitter<any>();
-      this.emitters.set(name, emitter);
-    }
-    return emitter as Emitter<Events[K]>;
-  }
-
-  private toPromiseValue<Args extends any[]>(
-    args: Args,
-  ): AppEventPromiseValue<Args> {
-    return (args.length === 1 ? args[0] : args) as AppEventPromiseValue<Args>;
-  }
-
-  public on<K extends keyof Events>(
-    name: K,
-    callback: (...args: Events[K]) => void,
-  ): UnsubscribeCallback;
-  public on<K extends AwaitableAppEventKeys<Events, Behavior>>(
-    name: K,
-  ): Promise<AppEventPromiseValue<Events[K]>>;
-  public on<K extends keyof Events>(
-    name: K,
-    callback?: (...args: Events[K]) => void,
-  ): UnsubscribeCallback | Promise<AppEventPromiseValue<Events[K]>> {
-    const eventBehavior = this.behavior[name];
-    const cachedPayload = this.lastPayload.get(name) as Events[K] | undefined;
-
-    if (callback) {
-      if (eventBehavior.replay === "last" && cachedPayload) {
-        queueMicrotask(() => callback(...cachedPayload));
-
-        if (eventBehavior.cardinality === "once") {
-          return () => {};
-        }
-      }
-
-      return this.getEmitter(name).on(callback);
-    }
-
-    if (
-      eventBehavior.cardinality !== "once" ||
-      eventBehavior.replay !== "last"
-    ) {
-      throw new Error(`Event "${String(name)}" requires a callback`);
-    }
-
-    if (cachedPayload) {
-      return Promise.resolve(this.toPromiseValue(cachedPayload));
-    }
-
-    return new Promise<AppEventPromiseValue<Events[K]>>((resolve) => {
-      this.getEmitter(name).once((...args: Events[K]) => {
-        resolve(this.toPromiseValue(args));
-      });
-    });
-  }
-
-  public emit<K extends keyof Events>(name: K, ...args: Events[K]) {
-    const eventBehavior = this.behavior[name];
-
-    if (!isProdEnv()) {
-      if (eventBehavior.cardinality === "once") {
-        if (this.emittedOnce.has(name)) {
-          throw new Error(`Event "${String(name)}" can only be emitted once`);
-        }
-        this.emittedOnce.add(name);
-      }
-    }
-
-    if (eventBehavior.replay === "last") {
-      this.lastPayload.set(name, args);
-    }
-
-    try {
-      this.getEmitter(name).trigger(...args);
-    } finally {
-      if (eventBehavior.cardinality === "once") {
-        this.getEmitter(name).clear();
-      }
-    }
-  }
-
-  public clear() {
-    this.lastPayload.clear();
-    this.emittedOnce.clear();
-
-    for (const emitter of this.emitters.values()) {
-      emitter.clear();
-    }
-
-    this.emitters.clear();
-  }
-}
@@ -1,17 +0,0 @@
-/**
- * x and y position of top left corner, x and y position of bottom right corner
- */
-export type Bounds = readonly [
-  minX: number,
-  minY: number,
-  maxX: number,
-  maxY: number,
-];
-
-export const isBounds = (box: unknown): box is Bounds =>
-  Array.isArray(box) &&
-  box.length === 4 &&
-  typeof box[0] === "number" &&
-  typeof box[1] === "number" &&
-  typeof box[2] === "number" &&
-  typeof box[3] === "number";
@@ -1,286 +0,0 @@
-import {
-  applyDarkModeFilter,
-  COLOR_PALETTE,
-  rgbToHex,
-} from "@excalidraw/common";
-
-describe("COLOR_PALETTE", () => {
-  it("color palette doesn't regress", () => {
-    expect(COLOR_PALETTE).toMatchSnapshot();
-  });
-});
-
-describe("applyDarkModeFilter", () => {
-  describe("basic transformations", () => {
-    it("transforms black to near-white", () => {
-      const result = applyDarkModeFilter("#000000");
-      // Black inverted 93% + hue rotate should be near white/light gray
-      expect(result).toBe("#ededed");
-    });
-
-    it("transforms white to near-black", () => {
-      const result = applyDarkModeFilter("#ffffff");
-      // White inverted 93% should be near black/dark gray
-      expect(result).toBe("#121212");
-    });
-
-    it("transforms pure red", () => {
-      const result = applyDarkModeFilter("#ff0000");
-      // Invert 93% + hue rotate 180deg produces a cyan-ish tint
-      expect(result).toBe("#ff9090");
-    });
-
-    it("transforms pure green", () => {
-      const result = applyDarkModeFilter("#00ff00");
-      // Invert 93% + hue rotate 180deg
-      expect(result).toBe("#008f00");
-    });
-
-    it("transforms pure blue", () => {
-      const result = applyDarkModeFilter("#0000ff");
-      // Invert 93% + hue rotate 180deg produces a light purple
-      expect(result).toBe("#cdcdff");
-    });
-  });
-
-  describe("color formats", () => {
-    it("handles hex with hash", () => {
-      const result = applyDarkModeFilter("#ff0000");
-      // Fully opaque colors return 6-char hex
-      expect(result).toMatch(/^#[0-9a-f]{6}$/);
-    });
-
-    it("handles named colors", () => {
-      const result = applyDarkModeFilter("red");
-      // "red" = #ff0000, fully opaque
-      expect(result).toBe("#ff9090");
-    });
-
-    it("handles rgb format", () => {
-      const result = applyDarkModeFilter("rgb(255, 0, 0)");
-      expect(result).toBe("#ff9090");
-    });
-
-    it("handles rgba format and preserves alpha", () => {
-      const result = applyDarkModeFilter("rgba(255, 0, 0, 0.5)");
-      expect(result).toMatch(/^#[0-9a-f]{8}$/);
-      // Alpha 0.5 = 128 in hex = 80
-      expect(result).toBe("#ff909080");
-    });
-
-    it("handles transparent", () => {
-      const result = applyDarkModeFilter("transparent");
-      // transparent = rgba(0,0,0,0), inverted should still have 0 alpha
-      expect(result).toBe("#ededed00");
-    });
-
-    it("handles shorthand hex", () => {
-      const result = applyDarkModeFilter("#f00");
-      expect(result).toBe("#ff9090");
-    });
-  });
-
-  describe("alpha preservation", () => {
-    it("omits alpha for full opacity", () => {
-      const result = applyDarkModeFilter("#ff0000ff");
-      // Full opacity returns 6-char hex (no alpha suffix)
-      expect(result).toBe("#ff9090");
-    });
-
-    it("preserves 50% opacity", () => {
-      const result = applyDarkModeFilter("#ff000080");
-      expect(result.slice(-2)).toBe("80");
-    });
-
-    it("preserves 0% opacity", () => {
-      const result = applyDarkModeFilter("#ff000000");
-      expect(result.slice(-2)).toBe("00");
-    });
-  });
-
-  describe("COLOR_PALETTE regression tests", () => {
-    it("transforms black from palette", () => {
-      // COLOR_PALETTE.black is #1e1e1e (not pure black)
-      const result = applyDarkModeFilter(COLOR_PALETTE.black);
-      expect(result).toBe("#d3d3d3");
-    });
-
-    it("transforms white from palette", () => {
-      const result = applyDarkModeFilter(COLOR_PALETTE.white);
-      expect(result).toBe("#121212");
-    });
-
-    it("transforms transparent from palette", () => {
-      const result = applyDarkModeFilter(COLOR_PALETTE.transparent);
-      expect(result).toBe("#ededed00");
-    });
-
-    // Test each color family from the palette (all opaque, so 6-char hex)
-    describe("red shades", () => {
-      const redShades = COLOR_PALETTE.red;
-      it.each(redShades.map((color, i) => [color, i]))(
-        "transforms red shade %s (index %d)",
-        (color) => {
-          const result = applyDarkModeFilter(color as string);
-          expect(result).toMatch(/^#[0-9a-f]{6}$/);
-        },
-      );
-    });
-
-    describe("blue shades", () => {
-      const blueShades = COLOR_PALETTE.blue;
-      it.each(blueShades.map((color, i) => [color, i]))(
-        "transforms blue shade %s (index %d)",
-        (color) => {
-          const result = applyDarkModeFilter(color as string);
-          expect(result).toMatch(/^#[0-9a-f]{6}$/);
-        },
-      );
-    });
-
-    describe("green shades", () => {
-      const greenShades = COLOR_PALETTE.green;
-      it.each(greenShades.map((color, i) => [color, i]))(
-        "transforms green shade %s (index %d)",
-        (color) => {
-          const result = applyDarkModeFilter(color as string);
-          expect(result).toMatch(/^#[0-9a-f]{6}$/);
-        },
-      );
-    });
-
-    describe("gray shades", () => {
-      const grayShades = COLOR_PALETTE.gray;
-      it.each(grayShades.map((color, i) => [color, i]))(
-        "transforms gray shade %s (index %d)",
-        (color) => {
-          const result = applyDarkModeFilter(color as string);
-          expect(result).toMatch(/^#[0-9a-f]{6}$/);
-        },
-      );
-    });
-
-    describe("bronze shades", () => {
-      const bronzeShades = COLOR_PALETTE.bronze;
-      it.each(bronzeShades.map((color, i) => [color, i]))(
-        "transforms bronze shade %s (index %d)",
-        (color) => {
-          const result = applyDarkModeFilter(color as string);
-          expect(result).toMatch(/^#[0-9a-f]{6}$/);
-        },
-      );
-    });
-
-    // Snapshot test for full palette to catch any regressions
-    it("matches snapshot for all palette colors", () => {
-      const transformedPalette: Record<string, string | string[]> = {};
-
-      transformedPalette.black = applyDarkModeFilter(COLOR_PALETTE.black);
-      transformedPalette.white = applyDarkModeFilter(COLOR_PALETTE.white);
-      transformedPalette.transparent = applyDarkModeFilter(
-        COLOR_PALETTE.transparent,
-      );
-
-      // Transform color arrays
-      for (const colorName of [
-        "gray",
-        "red",
-        "pink",
-        "grape",
-        "violet",
-        "blue",
-        "cyan",
-        "teal",
-        "green",
-        "yellow",
-        "orange",
-        "bronze",
-      ] as const) {
-        const shades = COLOR_PALETTE[colorName];
-        transformedPalette[colorName] = shades.map((shade) =>
-          applyDarkModeFilter(shade),
-        );
-      }
-
-      expect(transformedPalette).toMatchSnapshot();
-    });
-  });
-
-  describe("caching", () => {
-    it("returns same result for same input (cached)", () => {
-      const result1 = applyDarkModeFilter("#ff0000");
-      const result2 = applyDarkModeFilter("#ff0000");
-      expect(result1).toBe(result2);
-    });
-  });
-});
-
-describe("rgbToHex", () => {
-  describe("basic RGB conversion", () => {
-    it("converts black (0,0,0)", () => {
-      expect(rgbToHex(0, 0, 0)).toBe("#000000");
-    });
-
-    it("converts white (255,255,255)", () => {
-      expect(rgbToHex(255, 255, 255)).toBe("#ffffff");
-    });
-
-    it("converts red (255,0,0)", () => {
-      expect(rgbToHex(255, 0, 0)).toBe("#ff0000");
-    });
-
-    it("converts green (0,255,0)", () => {
-      expect(rgbToHex(0, 255, 0)).toBe("#00ff00");
-    });
-
-    it("converts blue (0,0,255)", () => {
-      expect(rgbToHex(0, 0, 255)).toBe("#0000ff");
-    });
-
-    it("converts arbitrary color", () => {
-      expect(rgbToHex(30, 30, 30)).toBe("#1e1e1e");
-    });
-  });
-
-  describe("leading zeros preservation", () => {
-    it("preserves leading zeros for low values", () => {
-      expect(rgbToHex(0, 0, 1)).toBe("#000001");
-      expect(rgbToHex(0, 1, 0)).toBe("#000100");
-      expect(rgbToHex(1, 0, 0)).toBe("#010000");
-    });
-
-    it("preserves zeros for single-digit hex values", () => {
-      expect(rgbToHex(15, 15, 15)).toBe("#0f0f0f");
-    });
-  });
-
-  describe("alpha handling", () => {
-    it("omits alpha when undefined", () => {
-      expect(rgbToHex(255, 0, 0)).toBe("#ff0000");
-      expect(rgbToHex(255, 0, 0, undefined)).toBe("#ff0000");
-    });
-
-    it("omits alpha when fully opaque (1)", () => {
-      expect(rgbToHex(255, 0, 0, 1)).toBe("#ff0000");
-    });
-
-    it("includes alpha for semi-transparent (0.5)", () => {
-      // 0.5 * 255 = 127.5 -> rounds to 128 = 0x80
-      expect(rgbToHex(255, 0, 0, 0.5)).toBe("#ff000080");
-    });
-
-    it("includes alpha for fully transparent (0)", () => {
-      expect(rgbToHex(255, 0, 0, 0)).toBe("#ff000000");
-    });
-
-    it("includes alpha for near-opaque (0.99)", () => {
-      // 0.99 * 255 = 252.45 -> rounds to 252 = 0xfc
-      expect(rgbToHex(255, 0, 0, 0.99)).toBe("#ff0000fc");
-    });
-
-    it("pads alpha with leading zero when needed", () => {
-      // 0.05 * 255 = 12.75 -> rounds to 13 = 0x0d
-      expect(rgbToHex(255, 0, 0, 0.05)).toBe("#ff00000d");
-    });
-  });
-});
@@ -1,355 +0,0 @@
-import tinycolor from "tinycolor2";
-
-import { clamp } from "@excalidraw/math";
-import { degreesToRadians } from "@excalidraw/math";
-
-import type { Degrees } from "@excalidraw/math";
-
-// ---------------------------------------------------------------------------
-// Dark mode color transformation
-// ---------------------------------------------------------------------------
-
-// Browser-only cache to avoid memory leaks on server
-const DARK_MODE_COLORS_CACHE: Map<string, string> | null =
-  typeof window !== "undefined" ? new Map() : null;
-
-function cssHueRotate(
-  red: number,
-  green: number,
-  blue: number,
-  degrees: Degrees,
-): { r: number; g: number; b: number } {
-  // normalize
-  const r = red / 255;
-  const g = green / 255;
-  const b = blue / 255;
-
-  // Convert degrees to radians
-  const a = degreesToRadians(degrees);
-
-  const c = Math.cos(a);
-  const s = Math.sin(a);
-
-  // rotation matrix
-  const matrix = [
-    0.213 + c * 0.787 - s * 0.213,
-    0.715 - c * 0.715 - s * 0.715,
-    0.072 - c * 0.072 + s * 0.928,
-    0.213 - c * 0.213 + s * 0.143,
-    0.715 + c * 0.285 + s * 0.14,
-    0.072 - c * 0.072 - s * 0.283,
-    0.213 - c * 0.213 - s * 0.787,
-    0.715 - c * 0.715 + s * 0.715,
-    0.072 + c * 0.928 + s * 0.072,
-  ];
-
-  // transform
-  const newR = r * matrix[0] + g * matrix[1] + b * matrix[2];
-  const newG = r * matrix[3] + g * matrix[4] + b * matrix[5];
-  const newB = r * matrix[6] + g * matrix[7] + b * matrix[8];
-
-  // clamp the values to [0, 1] range and convert back to [0, 255]
-  return {
-    r: Math.round(Math.max(0, Math.min(1, newR)) * 255),
-    g: Math.round(Math.max(0, Math.min(1, newG)) * 255),
-    b: Math.round(Math.max(0, Math.min(1, newB)) * 255),
-  };
-}
-
-const cssInvert = (
-  r: number,
-  g: number,
-  b: number,
-  percent: number,
-): { r: number; g: number; b: number } => {
-  const p = clamp(percent, 0, 100) / 100;
-
-  // Function to invert a single color component
-  const invertComponent = (color: number): number => {
-    // Apply the invert formula
-    const inverted = color * (1 - p) + (255 - color) * p;
-    // Round to the nearest integer and clamp to [0, 255]
-    return Math.round(clamp(inverted, 0, 255));
-  };
-
-  // Calculate the inverted RGB components
-  const invertedR = invertComponent(r);
-  const invertedG = invertComponent(g);
-  const invertedB = invertComponent(b);
-
-  return { r: invertedR, g: invertedG, b: invertedB };
-};
-
-export const applyDarkModeFilter = (color: string): string => {
-  const cached = DARK_MODE_COLORS_CACHE?.get(color);
-  if (cached) {
-    return cached;
-  }
-
-  const tc = tinycolor(color);
-  const alpha = tc.getAlpha();
-
-  // order of operations matters
-  // (corresponds to "filter: invert(invertPercent) hue-rotate(hueDegrees)" in css)
-  const rgb = tc.toRgb();
-  const inverted = cssInvert(rgb.r, rgb.g, rgb.b, 93);
-  const rotated = cssHueRotate(
-    inverted.r,
-    inverted.g,
-    inverted.b,
-    180 as Degrees,
-  );
-
-  const result = rgbToHex(rotated.r, rotated.g, rotated.b, alpha);
-
-  if (DARK_MODE_COLORS_CACHE) {
-    DARK_MODE_COLORS_CACHE.set(color, result);
-  }
-
-  return result;
-};
-
-// ---------------------------------------------------------------------------
-// Color palette
-// ---------------------------------------------------------------------------
-
-// FIXME can't put to utils.ts rn because of circular dependency
-const pick = <R extends Record<string, any>, K extends readonly (keyof R)[]>(
-  source: R,
-  keys: K,
-) => {
-  return keys.reduce((acc, key: K[number]) => {
-    if (key in source) {
-      acc[key] = source[key];
-    }
-    return acc;
-  }, {} as Pick<R, K[number]>) as Pick<R, K[number]>;
-};
-
-export type ColorTuple = readonly [string, string, string, string, string];
-
-// used general type instead of specific type (ColorPalette) to support custom colors
-export type ColorPaletteCustom = { [key: string]: ColorTuple | string };
-export type ColorShadesIndexes = [number, number, number, number, number];
-
-export const MAX_CUSTOM_COLORS_USED_IN_CANVAS = 5;
-export const COLORS_PER_ROW = 5;
-
-export const DEFAULT_CHART_COLOR_INDEX = 4;
-
-export const DEFAULT_ELEMENT_STROKE_COLOR_INDEX = 4;
-export const DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX = 1;
-
-export const COLOR_PALETTE = {
-  transparent: "transparent",
-  black: "#1e1e1e",
-  white: "#ffffff",
-  // open-color from https://github.com/yeun/open-color/blob/master/open-color.js
-  // corresponds to indexes [0,2,4,6,8] (weights: 50, 200, 400, 600, 800)
-  gray: ["#f8f9fa", "#e9ecef", "#ced4da", "#868e96", "#343a40"],
-  red: ["#fff5f5", "#ffc9c9", "#ff8787", "#fa5252", "#e03131"],
-  pink: ["#fff0f6", "#fcc2d7", "#f783ac", "#e64980", "#c2255c"],
-  grape: ["#f8f0fc", "#eebefa", "#da77f2", "#be4bdb", "#9c36b5"],
-  violet: ["#f3f0ff", "#d0bfff", "#9775fa", "#7950f2", "#6741d9"],
-  blue: ["#e7f5ff", "#a5d8ff", "#4dabf7", "#228be6", "#1971c2"],
-  cyan: ["#e3fafc", "#99e9f2", "#3bc9db", "#15aabf", "#0c8599"],
-  teal: ["#e6fcf5", "#96f2d7", "#38d9a9", "#12b886", "#099268"],
-  green: ["#ebfbee", "#b2f2bb", "#69db7c", "#40c057", "#2f9e44"],
-  yellow: ["#fff9db", "#ffec99", "#ffd43b", "#fab005", "#f08c00"],
-  orange: ["#fff4e6", "#ffd8a8", "#ffa94d", "#fd7e14", "#e8590c"],
-  // radix bronze shades [3,5,7,9,11]
-  bronze: ["#f8f1ee", "#eaddd7", "#d2bab0", "#a18072", "#846358"],
-} as const;
-
-export type ColorPalette = typeof COLOR_PALETTE;
-export type ColorPickerColor = keyof typeof COLOR_PALETTE;
-
-const COMMON_ELEMENT_SHADES = pick(COLOR_PALETTE, [
-  "cyan",
-  "blue",
-  "violet",
-  "grape",
-  "pink",
-  "green",
-  "teal",
-  "yellow",
-  "orange",
-  "red",
-]);
-
-// quick picks defaults
-// -----------------------------------------------------------------------------
-
-// ORDER matters for positioning in quick picker
-export const DEFAULT_ELEMENT_STROKE_PICKS = [
-  COLOR_PALETTE.black,
-  COLOR_PALETTE.red[DEFAULT_ELEMENT_STROKE_COLOR_INDEX],
-  COLOR_PALETTE.green[DEFAULT_ELEMENT_STROKE_COLOR_INDEX],
-  COLOR_PALETTE.blue[DEFAULT_ELEMENT_STROKE_COLOR_INDEX],
-  COLOR_PALETTE.yellow[DEFAULT_ELEMENT_STROKE_COLOR_INDEX],
-] as ColorTuple;
-
-// ORDER matters for positioning in quick picker
-export const DEFAULT_ELEMENT_BACKGROUND_PICKS = [
-  COLOR_PALETTE.transparent,
-  COLOR_PALETTE.red[DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX],
-  COLOR_PALETTE.green[DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX],
-  COLOR_PALETTE.blue[DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX],
-  COLOR_PALETTE.yellow[DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX],
-] as ColorTuple;
-
-// ORDER matters for positioning in quick picker
-export const DEFAULT_CANVAS_BACKGROUND_PICKS = [
-  COLOR_PALETTE.white,
-  // radix slate2
-  "#f8f9fa",
-  // radix blue2
-  "#f5faff",
-  // radix yellow2
-  "#fffce8",
-  // radix bronze2
-  "#fdf8f6",
-] as ColorTuple;
-
-// palette defaults
-// -----------------------------------------------------------------------------
-
-export const DEFAULT_ELEMENT_STROKE_COLOR_PALETTE = {
-  // 1st row
-  transparent: COLOR_PALETTE.transparent,
-  white: COLOR_PALETTE.white,
-  gray: COLOR_PALETTE.gray,
-  black: COLOR_PALETTE.black,
-  bronze: COLOR_PALETTE.bronze,
-  // rest
-  ...COMMON_ELEMENT_SHADES,
-} as const;
-
-// ORDER matters for positioning in pallete (5x3 grid)s
-export const DEFAULT_ELEMENT_BACKGROUND_COLOR_PALETTE = {
-  transparent: COLOR_PALETTE.transparent,
-  white: COLOR_PALETTE.white,
-  gray: COLOR_PALETTE.gray,
-  black: COLOR_PALETTE.black,
-  bronze: COLOR_PALETTE.bronze,
-
-  ...COMMON_ELEMENT_SHADES,
-} as const;
-
-// color palette helpers
-// -----------------------------------------------------------------------------
-
-// !!!MUST BE WITHOUT GRAY, TRANSPARENT AND BLACK!!!
-export const getAllColorsSpecificShade = (index: 0 | 1 | 2 | 3 | 4) => [
-  // 2nd row
-  COLOR_PALETTE.cyan[index],
-  COLOR_PALETTE.blue[index],
-  COLOR_PALETTE.violet[index],
-  COLOR_PALETTE.grape[index],
-  COLOR_PALETTE.pink[index],
-
-  // 3rd row
-  COLOR_PALETTE.green[index],
-  COLOR_PALETTE.teal[index],
-  COLOR_PALETTE.yellow[index],
-  COLOR_PALETTE.orange[index],
-  COLOR_PALETTE.red[index],
-];
-
-// -----------------------------------------------------------------------------
-// other helpers
-// -----------------------------------------------------------------------------
-
-export const rgbToHex = (r: number, g: number, b: number, a?: number) => {
-  // (1 << 24) adds 0x1000000 to ensure the hex string is always 7 chars,
-  // then slice(1) removes the leading "1" to get exactly 6 hex digits
-  // e.g. rgb(0,0,0) -> 0x1000000 -> "1000000" -> "000000"
-  const hex6 = `#${((1 << 24) + (r << 16) + (g << 8) + b)
-    .toString(16)
-    .slice(1)}`;
-  if (a !== undefined && a < 1) {
-    // convert alpha from 0-1 float to 0-255 int, then to 2-digit hex
-    // e.g. 0.5 -> 128 -> "80"
-    const alphaHex = Math.round(a * 255)
-      .toString(16)
-      .padStart(2, "0");
-    return `${hex6}${alphaHex}`;
-  }
-  return hex6;
-};
-
-/**
- * @returns #RRGGBB or #RRGGBBAA based on color containing non-opaque alpha,
- *  null if not valid color
- */
-export const colorToHex = (color: string): string | null => {
-  const tc = tinycolor(color);
-  if (!tc.isValid()) {
-    return null;
-  }
-  const { r, g, b, a } = tc.toRgb();
-  return rgbToHex(r, g, b, a);
-};
-
-export const isTransparent = (color: string) => {
-  return tinycolor(color).getAlpha() === 0;
-};
-
-// -----------------------------------------------------------------------------
-// color contract helpers
-// -----------------------------------------------------------------------------
-
-export const COLOR_OUTLINE_CONTRAST_THRESHOLD = 240;
-
-const calculateContrast = (r: number, g: number, b: number): number => {
-  const yiq = (r * 299 + g * 587 + b * 114) / 1000;
-  return yiq;
-};
-
-// YIQ algo, inspiration from https://stackoverflow.com/a/11868398
-export const isColorDark = (color: string, threshold = 160): boolean => {
-  // no color ("") -> assume it default to black
-  if (!color) {
-    return true;
-  }
-
-  if (isTransparent(color)) {
-    return false;
-  }
-
-  const tc = tinycolor(color);
-  if (!tc.isValid()) {
-    // invalid color -> assume it defaults to black
-    return true;
-  }
-
-  const { r, g, b } = tc.toRgb();
-  return calculateContrast(r, g, b) < threshold;
-};
-
-// -----------------------------------------------------------------------------
-// normalization
-// -----------------------------------------------------------------------------
-
-/**
- * tries to keep the input color as-is if it's valid, making minimal adjustments
- * (trimming whitespace or adding `#` to hex colors)
- */
-export const normalizeInputColor = (color: string): string | null => {
-  color = color.trim();
-  if (isTransparent(color)) {
-    return color;
-  }
-
-  const tc = tinycolor(color);
-  if (tc.isValid()) {
-    // testing for `#` first fixes a bug on Electron (more specfically, an
-    // Obsidian popout window), where a hex color without `#` is considered valid
-    if (["hex", "hex8"].includes(tc.getFormat()) && !color.startsWith("#")) {
-      return `#${color}`;
-    }
-    return color;
-  }
-
-  return null;
-};
@@ -1,222 +0,0 @@
-export type StylesPanelMode = "compact" | "full" | "mobile";
-
-export type EditorInterface = Readonly<{
-  formFactor: "phone" | "tablet" | "desktop";
-  desktopUIMode: "compact" | "full";
-  userAgent: Readonly<{
-    isMobileDevice: boolean;
-    platform: "ios" | "android" | "other" | "unknown";
-  }>;
-  isTouchScreen: boolean;
-  canFitSidebar: boolean;
-  isLandscape: boolean;
-}>;
-
-// storage key
-const DESKTOP_UI_MODE_STORAGE_KEY = "excalidraw.desktopUIMode";
-
-// breakpoints
-export const MQ_MAX_MOBILE = 599;
-
-export const MQ_MAX_WIDTH_LANDSCAPE = 1000;
-export const MQ_MAX_HEIGHT_LANDSCAPE = 500;
-
-// tablets
-export const MQ_MIN_TABLET = MQ_MAX_MOBILE + 1; // lower bound (excludes phones)
-export const MQ_MAX_TABLET = 1180; // ipad air
-
-// desktop/laptop (NOTE: not used for form factor detection)
-export const MQ_MIN_WIDTH_DESKTOP = 1440;
-
-// sidebar
-export const MQ_RIGHT_SIDEBAR_MIN_WIDTH = 1229;
-
-// -----------------------------------------------------------------------------
-
-// user agent detections
-export const isDarwin = /Mac|iPod|iPhone|iPad/.test(navigator.platform);
-export const isWindows = /^Win/.test(navigator.platform);
-export const isAndroid = /\b(android)\b/i.test(navigator.userAgent);
-export const isFirefox =
-  typeof window !== "undefined" &&
-  "netscape" in window &&
-  navigator.userAgent.indexOf("rv:") > 1 &&
-  navigator.userAgent.indexOf("Gecko") > 1;
-export const isChrome = navigator.userAgent.indexOf("Chrome") !== -1;
-export const isSafari =
-  !isChrome && navigator.userAgent.indexOf("Safari") !== -1;
-export const isIOS =
-  /iPad|iPhone/i.test(navigator.platform) ||
-  // iPadOS 13+
-  (navigator.userAgent.includes("Mac") && "ontouchend" in document);
-// keeping function so it can be mocked in test
-export const isBrave = () =>
-  (navigator as any).brave?.isBrave?.name === "isBrave";
-
-// export const isMobile =
-//   isIOS ||
-//   /android|webos|ipod|blackberry|iemobile|opera mini/i.test(
-//     navigator.userAgent,
-//   ) ||
-//   /android|ios|ipod|blackberry|windows phone/i.test(navigator.platform);
-
-// utilities
-export const isMobileBreakpoint = (width: number, height: number) => {
-  return (
-    width <= MQ_MAX_MOBILE ||
-    (height < MQ_MAX_HEIGHT_LANDSCAPE && width < MQ_MAX_WIDTH_LANDSCAPE)
-  );
-};
-
-export const isTabletBreakpoint = (
-  editorWidth: number,
-  editorHeight: number,
-) => {
-  const minSide = Math.min(editorWidth, editorHeight);
-  const maxSide = Math.max(editorWidth, editorHeight);
-
-  return minSide >= MQ_MIN_TABLET && maxSide <= MQ_MAX_TABLET;
-};
-
-const isMobileOrTablet = (): boolean => {
-  const ua = navigator.userAgent || "";
-  const platform = navigator.platform || "";
-  const uaData = (navigator as any).userAgentData as
-    | { mobile?: boolean; platform?: string }
-    | undefined;
-
-  // --- 1) chromium: prefer ua client hints -------------------------------
-  if (uaData) {
-    const plat = (uaData.platform || "").toLowerCase();
-    const isDesktopOS =
-      plat === "windows" ||
-      plat === "macos" ||
-      plat === "linux" ||
-      plat === "chrome os";
-    if (uaData.mobile === true) {
-      return true;
-    }
-    if (uaData.mobile === false && plat === "android") {
-      const looksTouchTablet =
-        matchMedia?.("(hover: none)").matches &&
-        matchMedia?.("(pointer: coarse)").matches;
-      return looksTouchTablet;
-    }
-    if (isDesktopOS) {
-      return false;
-    }
-  }
-
-  // --- 2) ios (includes ipad) --------------------------------------------
-  if (isIOS) {
-    return true;
-  }
-
-  // --- 3) android legacy ua fallback -------------------------------------
-  if (isAndroid) {
-    const isAndroidPhone = /Mobile/i.test(ua);
-    const isAndroidTablet = !isAndroidPhone;
-    if (isAndroidPhone || isAndroidTablet) {
-      const looksTouchTablet =
-        matchMedia?.("(hover: none)").matches &&
-        matchMedia?.("(pointer: coarse)").matches;
-      return looksTouchTablet;
-    }
-  }
-
-  // --- 4) last resort desktop exclusion ----------------------------------
-  const looksDesktopPlatform =
-    /Win|Linux|CrOS|Mac/.test(platform) ||
-    /Windows NT|X11|CrOS|Macintosh/.test(ua);
-  if (looksDesktopPlatform) {
-    return false;
-  }
-  return false;
-};
-
-export const getFormFactor = (
-  editorWidth: number,
-  editorHeight: number,
-): EditorInterface["formFactor"] => {
-  if (isMobileBreakpoint(editorWidth, editorHeight)) {
-    return "phone";
-  }
-
-  if (isTabletBreakpoint(editorWidth, editorHeight)) {
-    return "tablet";
-  }
-
-  return "desktop";
-};
-
-export const deriveStylesPanelMode = (
-  editorInterface: EditorInterface,
-): StylesPanelMode => {
-  if (editorInterface.formFactor === "phone") {
-    return "mobile";
-  }
-
-  if (editorInterface.formFactor === "tablet") {
-    return "compact";
-  }
-
-  return editorInterface.desktopUIMode;
-};
-
-export const createUserAgentDescriptor = (
-  userAgentString: string,
-): EditorInterface["userAgent"] => {
-  const normalizedUA = userAgentString ?? "";
-  let platform: EditorInterface["userAgent"]["platform"] = "unknown";
-
-  if (isIOS) {
-    platform = "ios";
-  } else if (isAndroid) {
-    platform = "android";
-  } else if (normalizedUA) {
-    platform = "other";
-  }
-
-  return {
-    isMobileDevice: isMobileOrTablet(),
-    platform,
-  } as const;
-};
-
-export const loadDesktopUIModePreference = () => {
-  if (typeof window === "undefined") {
-    return null;
-  }
-
-  try {
-    const stored = window.localStorage.getItem(DESKTOP_UI_MODE_STORAGE_KEY);
-    if (stored === "compact" || stored === "full") {
-      return stored as EditorInterface["desktopUIMode"];
-    }
-  } catch (error) {
-    // ignore storage access issues (e.g., Safari private mode)
-  }
-
-  return null;
-};
-
-const persistDesktopUIMode = (mode: EditorInterface["desktopUIMode"]) => {
-  if (typeof window === "undefined") {
-    return;
-  }
-  try {
-    window.localStorage.setItem(DESKTOP_UI_MODE_STORAGE_KEY, mode);
-  } catch (error) {
-    // ignore storage access issues (e.g., Safari private mode)
-  }
-};
-
-export const setDesktopUIMode = (mode: EditorInterface["desktopUIMode"]) => {
-  if (mode !== "compact" && mode !== "full") {
-    return;
-  }
-
-  persistDesktopUIMode(mode);
-
-  return mode;
-};
--- a/Show More
+++ b/Show More