fix: handle missing schemaState in migration

Co-authored-by: Anvi <anvikudaraya417@gmail.com>
Co-authored-by: Chris Tangonan <ctangonan123@gmail.com>

.env.development

@@ -12,7 +12,7 @@ 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:3015
+VITE_APP_AI_BACKEND=http://localhost:3016
 
 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 +27,7 @@ VITE_APP_ENABLE_TRACKING=true
 FAST_REFRESH=false
 
 # The port the run the dev server
-VITE_APP_PORT=3000
+VITE_APP_PORT=3001
 
 #Debug flags
 

.github/workflows/sentry-production.yml

@@ -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 releases files $SENTRY_RELEASE upload-sourcemaps --no-rewrite ./build/static/js/ --url-prefix "~/static/js"
+          sentry-cli sourcemaps upload --release $SENTRY_RELEASE --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:

.github/workflows/test-coverage-pr.yml

@@ -14,7 +14,7 @@ jobs:
       - name: "Install Node"
         uses: actions/setup-node@v2
         with:
-          node-version: "18.x"
+          node-version: "20.x"
       - name: "Install Deps"
         run: yarn install
       - name: "Test Coverage"

.github/workflows/test.yml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Setup Node.js 18.x
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 20.x
       - name: Install and test
         run: |
           yarn install

excalidraw-app/App.tsx

@@ -48,7 +48,11 @@ import {
   youtubeIcon,
 } from "@excalidraw/excalidraw/components/icons";
 import { isElementLink } from "@excalidraw/element";
-import { restore, restoreAppState } from "@excalidraw/excalidraw/data/restore";
+import {
+  bumpElementVersions,
+  restoreAppState,
+  restoreElements,
+} from "@excalidraw/excalidraw/data/restore";
 import { newElementWith } from "@excalidraw/element";
 import { isInitializedImageElement } from "@excalidraw/element";
 import clsx from "clsx";
@@ -105,8 +109,8 @@ import { TopErrorBoundary } from "./components/TopErrorBoundary";
 import {
   exportToBackend,
   getCollaborationLinkData,
+  importFromBackend,
   isCollaborationLink,
-  loadScene,
 } from "./data";
 
 import { updateStaleImageStatuses } from "./data/FileManager";
@@ -224,9 +228,20 @@ const initializeScene = async (opts: {
 
   const localDataState = importFromLocalStorage();
 
-  let scene: RestoredDataState & {
+  let scene: Omit<
+    RestoredDataState,
+    // we're not storing files in the scene database/localStorage, and instead
+    // fetch them async from a different store
+    "files"
+  > & {
     scrollToContent?: boolean;
-  } = await loadScene(null, null, localDataState);
+  } = {
+    elements: restoreElements(localDataState?.elements, null, {
+      repairBindings: true,
+      deleteInvisibleElements: true,
+    }),
+    appState: restoreAppState(localDataState?.appState, null),
+  };
 
   let roomLinkData = getCollaborationLinkData(window.location.href);
   const isExternalScene = !!(id || jsonBackendMatch || roomLinkData);
@@ -240,11 +255,26 @@ const initializeScene = async (opts: {
       (await openConfirmModal(shareableLinkConfirmDialog))
     ) {
       if (jsonBackendMatch) {
-        scene = await loadScene(
+        const imported = await importFromBackend(
           jsonBackendMatch[1],
           jsonBackendMatch[2],
-          localDataState,
         );
+
+        scene = {
+          elements: bumpElementVersions(
+            restoreElements(imported.elements, null, {
+              repairBindings: true,
+              deleteInvisibleElements: true,
+            }),
+            scene.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) {
@@ -496,8 +526,10 @@ const ExcalidrawWrapper = () => {
           loadImages(data);
           if (data.scene) {
             excalidrawAPI.updateScene({
-              ...data.scene,
-              ...restore(data.scene, null, null, { repairBindings: true }),
+              elements: restoreElements(data.scene.elements, null, {
+                repairBindings: true,
+              }),
+              appState: restoreAppState(data.scene.appState, null),
               captureUpdate: CaptureUpdateAction.IMMEDIATELY,
             });
           }
@@ -519,7 +551,11 @@ const ExcalidrawWrapper = () => {
           const username = importUsernameFromLocalStorage();
           setLangCode(getPreferredLanguage());
           excalidrawAPI.updateScene({
-            ...localDataState,
+            elements: restoreElements(localDataState?.elements, null, {
+              repairBindings: true,
+              deleteInvisibleElements: true,
+            }),
+            appState: restoreAppState(localDataState?.appState, null),
             captureUpdate: CaptureUpdateAction.NEVER,
           });
           LibraryIndexedDBAdapter.load().then((data) => {

excalidraw-app/app_constants.ts

@@ -46,6 +46,7 @@ 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",

excalidraw-app/collab/Collab.tsx

@@ -6,7 +6,7 @@ import {
   reconcileElements,
 } from "@excalidraw/excalidraw";
 import { ErrorDialog } from "@excalidraw/excalidraw/components/ErrorDialog";
-import { APP_NAME, EVENT } from "@excalidraw/common";
+import { APP_NAME, cloneJSON, EVENT, toBrandedType } from "@excalidraw/common";
 import {
   IDLE_THRESHOLD,
   ACTIVE_THRESHOLD,
@@ -29,6 +29,8 @@ 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,
@@ -311,6 +313,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
   saveCollabRoomToFirebase = async (
     syncableElements: readonly SyncableExcalidrawElement[],
   ) => {
+    syncableElements = cloneJSON(syncableElements);
     try {
       const storedElements = await saveToFirebase(
         this.portal,
@@ -579,7 +582,9 @@ class Collab extends PureComponent<CollabProps, CollabState> {
           case WS_SUBTYPES.INIT: {
             if (!this.portal.socketInitialized) {
               this.initializeRoom({ fetchScene: false });
-              const remoteElements = decryptedData.payload.elements;
+              const remoteElements = toBrandedType<
+                readonly RemoteExcalidrawElement[]
+              >(decryptedData.payload.elements);
               const reconciledElements =
                 this._reconcileElements(remoteElements);
               this.handleRemoteSceneUpdate(reconciledElements);
@@ -593,7 +598,11 @@ class Collab extends PureComponent<CollabProps, CollabState> {
           }
           case WS_SUBTYPES.UPDATE:
             this.handleRemoteSceneUpdate(
-              this._reconcileElements(decryptedData.payload.elements),
+              this._reconcileElements(
+                toBrandedType<readonly RemoteExcalidrawElement[]>(
+                  decryptedData.payload.elements,
+                ),
+              ),
             );
             break;
           case WS_SUBTYPES.MOUSE_LOCATION: {
@@ -742,20 +751,28 @@ class Collab extends PureComponent<CollabProps, CollabState> {
   };
 
   private _reconcileElements = (
-    remoteElements: readonly ExcalidrawElement[],
+    remoteElements: readonly RemoteExcalidrawElement[],
   ): ReconciledExcalidrawElement[] => {
-    const localElements = this.getSceneElementsIncludingDeleted();
     const appState = this.excalidrawAPI.getAppState();
-    const restoredRemoteElements = restoreElements(
+
+    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,
-      this.excalidrawAPI.getSceneElementsMapIncludingDeleted(),
-    );
-    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

excalidraw-app/components/AI.tsx

@@ -4,12 +4,15 @@ import {
   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";
+
 export const AIComponents = ({
   excalidrawAPI,
 }: {
@@ -99,61 +102,23 @@ export const AIComponents = ({
       />
 
       <TTDDialog
-        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 }),
-              },
-            );
+        onTextSubmit={async (props) => {
+          const { onChunk, onStreamCreated, signal, messages } = props;
 
-            const rateLimit = response.headers.has("X-Ratelimit-Limit")
-              ? parseInt(response.headers.get("X-Ratelimit-Limit") || "0", 10)
-              : undefined;
+          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 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");
-          }
+          return result;
         }}
+        persistenceAdapter={TTDIndexedDBAdapter}
       />
     </>
   );

excalidraw-app/components/AppMainMenu.tsx

@@ -62,7 +62,7 @@ export const AppMainMenu: React.FC<{
       {isDevEnv() && (
         <MainMenu.Item
           icon={eyeIcon}
-          onClick={() => {
+          onSelect={() => {
             if (window.visualDebug) {
               delete window.visualDebug;
               saveDebugState({ enabled: false });
@@ -77,6 +77,7 @@ export const AppMainMenu: React.FC<{
         </MainMenu.Item>
       )}
       <MainMenu.Separator />
+      <MainMenu.DefaultItems.Preferences />
       <MainMenu.DefaultItems.ToggleTheme
         allowSystemTheme
         theme={props.theme}

excalidraw-app/components/AppWelcomeScreen.tsx

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

excalidraw-app/components/DebugCanvas.tsx

@@ -27,7 +27,10 @@ import { isCurve } from "@excalidraw/math/curve";
 import React from "react";
 
 import type { Curve } from "@excalidraw/math";
-import type { DebugElement } from "@excalidraw/common";
+import type {
+  DebugElement,
+  DebugPolygon,
+} from "@excalidraw/element/visualdebug";
 import type {
   ElementsMap,
   ExcalidrawArrowElement,
@@ -75,6 +78,44 @@ 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();
@@ -280,6 +321,9 @@ 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)}`);
     }

excalidraw-app/components/GitHubCorner.tsx

@@ -1,46 +0,0 @@
-import { THEME } from "@excalidraw/common";
-import oc from "open-color";
-import React from "react";
-
-import type { Theme } from "@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>
-  ),
-);

excalidraw-app/data/LocalData.ts

@@ -86,9 +86,11 @@ const saveDataStateToLocalStorage = (
       _appState.openSidebar = null;
     }
 
+    const persistedElements = getNonDeletedElements(elements);
+
     localStorage.setItem(
       STORAGE_KEYS.LOCAL_STORAGE_ELEMENTS,
-      JSON.stringify(getNonDeletedElements(elements)),
+      JSON.stringify(persistedElements),
     );
     localStorage.setItem(
       STORAGE_KEYS.LOCAL_STORAGE_APP_STATE,

excalidraw-app/data/TTDStorage.ts

@@ -0,0 +1,51 @@
+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;
+    }
+  }
+}

excalidraw-app/data/firebase.ts

@@ -1,5 +1,5 @@
 import { reconcileElements } from "@excalidraw/excalidraw";
-import { MIME_TYPES } from "@excalidraw/common";
+import { MIME_TYPES, toBrandedType } from "@excalidraw/common";
 import { decompressData } from "@excalidraw/excalidraw/data/encode";
 import {
   encryptData,
@@ -243,7 +243,7 @@ export const saveToFirebase = async (
 
   FirebaseSceneVersionCache.set(socket, storedElements);
 
-  return storedElements;
+  return toBrandedType<RemoteExcalidrawElement[]>(storedElements);
 };
 
 export const loadFromFirebase = async (

excalidraw-app/data/index.ts

@@ -8,7 +8,6 @@ import {
   IV_LENGTH_BYTES,
 } from "@excalidraw/excalidraw/data/encryption";
 import { serializeAsJSON } from "@excalidraw/excalidraw/data/json";
-import { restore } from "@excalidraw/excalidraw/data/restore";
 import { isInvisiblySmallElement } from "@excalidraw/element";
 import { isInitializedImageElement } from "@excalidraw/element";
 import { t } from "@excalidraw/excalidraw/i18n";
@@ -84,13 +83,13 @@ export type SocketUpdateDataSource = {
   SCENE_INIT: {
     type: WS_SUBTYPES.INIT;
     payload: {
-      elements: readonly ExcalidrawElement[];
+      elements: readonly OrderedExcalidrawElement[];
     };
   };
   SCENE_UPDATE: {
     type: WS_SUBTYPES.UPDATE;
     payload: {
-      elements: readonly ExcalidrawElement[];
+      elements: readonly OrderedExcalidrawElement[];
     };
   };
   MOUSE_LOCATION: {
@@ -200,7 +199,7 @@ const legacy_decodeFromBackend = async ({
   };
 };
 
-const importFromBackend = async (
+export const importFromBackend = async (
   id: string,
   decryptionKey: string,
 ): Promise<ImportedDataState> => {
@@ -242,45 +241,6 @@ 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,
-        deleteInvisibleElements: true,
-      },
-    );
-  } else {
-    data = restore(localDataState || null, null, null, {
-      repairBindings: true,
-      deleteInvisibleElements: 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 };

excalidraw-app/debug.ts

@@ -10,8 +10,6 @@ const lessPrecise = (num: number, precision = 5) =>
 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;
 
@@ -24,34 +22,35 @@ 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) {
@@ -65,8 +64,18 @@ export class Debug {
       }
       for (const [name, { t, times, avg }] of Object.entries(Debug.TIMES_AVG)) {
         if (times.length) {
-          const avgFrameTime = getAvgFrameTime(times);
-          console.info(name, `${avgFrameTime}ms (${getFps(avgFrameTime)} fps)`);
+          // 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)`,
+          );
           Debug.TIMES_AVG[name] = {
             t,
             times: [],
@@ -76,6 +85,24 @@ 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") => {
@@ -109,7 +136,7 @@ export class Debug {
       return (...args: T) => {
         const t0 = performance.now();
         const ret = fn(...args);
-        Debug.logTime(performance.now() - t0, name);
+        Debug[type](performance.now() - t0, name);
         return ret;
       };
     };

excalidraw-app/package.json

@@ -36,6 +36,7 @@
     "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",

excalidraw-app/share/QRCode.tsx

@@ -0,0 +1,56 @@
+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 }}
+    />
+  );
+};

excalidraw-app/share/ShareDialog.scss

@@ -140,6 +140,31 @@
         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);
 

excalidraw-app/share/ShareDialog.tsx

@@ -22,6 +22,7 @@ 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";
 
@@ -142,6 +143,7 @@ const ActiveRoomDialog = ({
           }}
         />
       </div>
+      <QRCode value={activeRoomLink} />
       <div className="ShareDialog__active__description">
         <p>
           <span

excalidraw-app/share/qrcode.chunk.ts

@@ -0,0 +1,5 @@
+import { renderSVG } from "uqr";
+
+export const generateQRCodeSVG = (text: string): string => {
+  return renderSVG(text);
+};

excalidraw-app/tests/__snapshots__/MobileMenu.test.tsx.snap

@@ -50,7 +50,11 @@ exports[`Test MobileMenu > should initialize with welcome screen and hide once u
   <div
     class="welcome-screen-center__heading welcome-screen-decor excalifont"
   >
-    All your data is saved locally in your browser.
+    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.
   </div>
   <div
     class="welcome-screen-menu"

excalidraw-app/tests/collab.test.tsx

@@ -69,6 +69,114 @@ 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 preserve future element fields across collab reconciliation", async () => {
+    await render(<ExcalidrawApp />);
+
+    const frame = API.createElement({
+      type: "frame",
+      id: "A",
+      width: 100,
+      height: 100,
+      x: 0,
+      y: 0,
+      backgroundColor: "#ff0000",
+    });
+
+    const frameWithFutureFields = {
+      ...frame,
+      schemaState: {
+        tracks: {
+          ...frame.schemaState.tracks,
+          "host.myapp.frame": 1,
+        },
+      },
+      futureField: "keep-me",
+    } as typeof frame & {
+      schemaState: { tracks: Record<string, number> };
+      futureField: string;
+    };
+
+    API.updateScene({
+      elements: [frameWithFutureFields],
+      captureUpdate: CaptureUpdateAction.IMMEDIATELY,
+    });
+
+    await waitFor(() => {
+      expect((h.elements[0] as any).futureField).toBe("keep-me");
+      expect((h.elements[0] as any).schemaState).toEqual(
+        frameWithFutureFields.schemaState,
+      );
+      expect(h.elements[0].backgroundColor).toBe("#ff0000");
+    });
+
+    const remoteMovedFrame = newElementWith(h.elements[0] as any, {
+      x: 120,
+      y: 80,
+    });
+
+    const reconciled = (window.collab as any)._reconcileElements([
+      remoteMovedFrame,
+    ]);
+
+    expect(reconciled[0]).toEqual(
+      expect.objectContaining({
+        x: 120,
+        y: 80,
+        backgroundColor: "#ff0000",
+      }),
+    );
+    expect((reconciled[0] as any).futureField).toBe("keep-me");
+    expect((reconciled[0] as any).schemaState).toEqual(
+      frameWithFutureFields.schemaState,
+    );
+  });
+
+  it("should preserve future element fields on local edits before broadcast", async () => {
+    await render(<ExcalidrawApp />);
+
+    const rect = API.createElement({
+      type: "rectangle",
+      id: "A",
+      width: 100,
+      height: 100,
+      x: 0,
+      y: 0,
+    });
+
+    const rectWithFutureFields = {
+      ...rect,
+      schemaState: {
+        tracks: {
+          ...rect.schemaState.tracks,
+          "host.myapp.rect": 1,
+        },
+      },
+      futureField: { value: "keep-me" },
+    } as typeof rect & {
+      schemaState: { tracks: Record<string, number> };
+      futureField: { value: string };
+    };
+
+    API.updateScene({
+      elements: [rectWithFutureFields],
+      captureUpdate: CaptureUpdateAction.IMMEDIATELY,
+    });
+
+    const locallyEdited = newElementWith(h.elements[0] as any, { x: 200 });
+    API.updateScene({
+      elements: [locallyEdited],
+      captureUpdate: CaptureUpdateAction.NEVER,
+    });
+
+    await waitFor(() => {
+      expect((h.elements[0] as any).futureField).toEqual({ value: "keep-me" });
+      expect((h.elements[0] as any).schemaState).toEqual(
+        rectWithFutureFields.schemaState,
+      );
+      expect(h.elements[0]).toEqual(expect.objectContaining({ x: 200 }));
+    });
+  });
+
   it("should emit two ephemeral increments even though updates get batched", async () => {
     const durableIncrements: DurableIncrement[] = [];
     const ephemeralIncrements: EphemeralIncrement[] = [];
@@ -83,14 +191,18 @@ describe("collaboration", () => {
       }
     });
 
-    // eslint-disable-next-line dot-notation
-    expect(h.store["scheduledMicroActions"].length).toBe(0);
-    expect(durableIncrements.length).toBe(0);
-    expect(ephemeralIncrements.length).toBe(0);
+    // Ensure this test starts from a deterministic scene regardless of previous
+    // test state restored from persistence.
+    API.updateScene({
+      elements: [],
+      captureUpdate: CaptureUpdateAction.NEVER,
+    });
+
+    const durableBaseline = durableIncrements.length;
+    const ephemeralBaseline = ephemeralIncrements.length;
 
     const rectProps = {
       type: "rectangle",
-      id: "A",
       height: 200,
       width: 100,
       x: 0,
@@ -105,8 +217,7 @@ describe("collaboration", () => {
     });
 
     await waitFor(() => {
-      // expect(commitSpy).toHaveBeenCalledTimes(1);
-      expect(durableIncrements.length).toBe(1);
+      expect(durableIncrements.length).toBe(durableBaseline + 1);
     });
 
     // simulate two batched remote updates
@@ -130,13 +241,13 @@ describe("collaboration", () => {
       // 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 }),
-      );
+      expect(ephemeralIncrements.length).toBe(ephemeralBaseline + 2);
+      expect(
+        ephemeralIncrements[ephemeralBaseline].change.elements[rect.id],
+      ).toEqual(expect.objectContaining({ x: 100 }));
+      expect(
+        ephemeralIncrements[ephemeralBaseline + 1].change.elements[rect.id],
+      ).toEqual(expect.objectContaining({ x: 200 }));
       // eslint-disable-next-line dot-notation
       expect(h.store["scheduledMicroActions"].length).toBe(0);
     });

excalidraw-app/vite.config.mts

@@ -102,6 +102,10 @@ 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";
+            }
           },
         },
       },
@@ -196,6 +200,7 @@ export default defineConfig(({ mode }) => {
               },
             },
           ],
+          maximumFileSizeToCacheInBytes: 2.3 * 1024 ** 2, // 2.3MB
         },
         manifest: {
           short_name: "Excalidraw",

packages/common/package.json

@@ -55,5 +55,11 @@
   "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"
   }
 }

packages/common/src/__snapshots__/colors.test.ts.snap

@@ -0,0 +1,185 @@
+// 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",
+  ],
+}
+`;

packages/common/src/colors.test.ts

@@ -0,0 +1,286 @@
+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");
+    });
+  });
+});

packages/common/src/colors.ts

@@ -1,8 +1,117 @@
-import oc from "open-color";
+import tinycolor from "tinycolor2";
 
-import type { Merge } from "./utility-types";
+import { clamp } from "@excalidraw/math";
+import { degreesToRadians } from "@excalidraw/math";
 
-export const COLOR_OUTLINE_CONTRAST_THRESHOLD = 240;
+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)[]>(
@@ -17,15 +126,7 @@ const pick = <R extends Record<string, any>, K extends readonly (keyof R)[]>(
   }, {} as Pick<R, K[number]>) as Pick<R, K[number]>;
 };
 
-export type ColorPickerColor =
-  | Exclude<keyof oc, "indigo" | "lime">
-  | "transparent"
-  | "bronze";
 export type ColorTuple = readonly [string, string, string, string, string];
-export type ColorPalette = Merge<
-  Record<ColorPickerColor, ColorTuple>,
-  { black: "#1e1e1e"; white: "#ffffff"; transparent: "transparent" }
->;
 
 // used general type instead of specific type (ColorPalette) to support custom colors
 export type ColorPaletteCustom = { [key: string]: ColorTuple | string };
@@ -38,38 +139,30 @@ 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 ELEMENTS_PALETTE_SHADE_INDEXES = [0, 2, 4, 6, 8] as const;
-export const CANVAS_PALETTE_SHADE_INDEXES = [0, 1, 2, 3, 4] as const;
-
-export const getSpecificColorShades = (
-  color: Exclude<
-    ColorPickerColor,
-    "transparent" | "white" | "black" | "bronze"
-  >,
-  indexArr: Readonly<ColorShadesIndexes>,
-) => {
-  return indexArr.map((index) => oc[color][index]) as any as ColorTuple;
-};
 
 export const COLOR_PALETTE = {
   transparent: "transparent",
   black: "#1e1e1e",
   white: "#ffffff",
-  // open-colors
-  gray: getSpecificColorShades("gray", ELEMENTS_PALETTE_SHADE_INDEXES),
-  red: getSpecificColorShades("red", ELEMENTS_PALETTE_SHADE_INDEXES),
-  pink: getSpecificColorShades("pink", ELEMENTS_PALETTE_SHADE_INDEXES),
-  grape: getSpecificColorShades("grape", ELEMENTS_PALETTE_SHADE_INDEXES),
-  violet: getSpecificColorShades("violet", ELEMENTS_PALETTE_SHADE_INDEXES),
-  blue: getSpecificColorShades("blue", ELEMENTS_PALETTE_SHADE_INDEXES),
-  cyan: getSpecificColorShades("cyan", ELEMENTS_PALETTE_SHADE_INDEXES),
-  teal: getSpecificColorShades("teal", ELEMENTS_PALETTE_SHADE_INDEXES),
-  green: getSpecificColorShades("green", ELEMENTS_PALETTE_SHADE_INDEXES),
-  yellow: getSpecificColorShades("yellow", ELEMENTS_PALETTE_SHADE_INDEXES),
-  orange: getSpecificColorShades("orange", ELEMENTS_PALETTE_SHADE_INDEXES),
-  // radix bronze shades 3,5,7,9,11
+  // 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 ColorPalette;
+} as const;
+
+export type ColorPalette = typeof COLOR_PALETTE;
+export type ColorPickerColor = keyof typeof COLOR_PALETTE;
 
 const COMMON_ELEMENT_SHADES = pick(COLOR_PALETTE, [
   "cyan",
@@ -84,7 +177,6 @@ const COMMON_ELEMENT_SHADES = pick(COLOR_PALETTE, [
   "red",
 ]);
 
-// -----------------------------------------------------------------------------
 // quick picks defaults
 // -----------------------------------------------------------------------------
 
@@ -119,7 +211,6 @@ export const DEFAULT_CANVAS_BACKGROUND_PICKS = [
   "#fdf8f6",
 ] as ColorTuple;
 
-// -----------------------------------------------------------------------------
 // palette defaults
 // -----------------------------------------------------------------------------
 
@@ -145,8 +236,7 @@ export const DEFAULT_ELEMENT_BACKGROUND_COLOR_PALETTE = {
   ...COMMON_ELEMENT_SHADES,
 } as const;
 
-// -----------------------------------------------------------------------------
-// helpers
+// color palette helpers
 // -----------------------------------------------------------------------------
 
 // !!!MUST BE WITHOUT GRAY, TRANSPARENT AND BLACK!!!
@@ -167,7 +257,100 @@ export const getAllColorsSpecificShade = (index: 0 | 1 | 2 | 3 | 4) =>
     COLOR_PALETTE.red[index],
   ] as const;
 
-export const rgbToHex = (r: number, g: number, b: number) =>
-  `#${((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1)}`;
+// -----------------------------------------------------------------------------
+// other helpers
+// -----------------------------------------------------------------------------
+
+export const rgbToHex = (r: number, g: number, b: number, a?: number) => {
+  // (1 << 24) adds 0x1000000 to ensure the hex string is always 7 chars,
+  // then slice(1) removes the leading "1" to get exactly 6 hex digits
+  // e.g. rgb(0,0,0) -> 0x1000000 -> "1000000" -> "000000"
+  const hex6 = `#${((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;
+};

packages/common/src/constants.ts

@@ -106,6 +106,7 @@ export const CLASSES = {
   CONVERT_ELEMENT_TYPE_POPUP: "ConvertElementTypePopup",
   SHAPE_ACTIONS_THEME_SCOPE: "shape-actions-theme-scope",
   FRAME_NAME: "frame-name",
+  DROPDOWN_MENU_EVENT_WRAPPER: "dropdown-menu-event-wrapper",
 };
 
 export const FONT_SIZES = {
@@ -190,6 +191,8 @@ export const THEME = {
   DARK: "dark",
 } as const;
 
+export const DARK_THEME_FILTER = "invert(93%) hue-rotate(180deg)";
+
 export const FRAME_STYLE = {
   strokeColor: "#bbb" as ExcalidrawElement["strokeColor"],
   strokeWidth: 2 as ExcalidrawElement["strokeWidth"],
@@ -249,6 +252,7 @@ export const STRING_MIME_TYPES = {
   json: "application/json",
   // excalidraw data
   excalidraw: "application/vnd.excalidraw+json",
+  excalidrawClipboard: "application/vnd.excalidraw.clipboard+json",
   // LEGACY: fully-qualified library JSON data
   excalidrawlib: "application/vnd.excalidrawlib+json",
   // list of excalidraw library item ids
@@ -305,9 +309,6 @@ export const IDLE_THRESHOLD = 60_000;
 // Report a user active each ACTIVE_THRESHOLD milliseconds
 export const ACTIVE_THRESHOLD = 3_000;
 
-// duplicates --theme-filter, should be removed soon
-export const THEME_FILTER = "invert(93%) hue-rotate(180deg)";
-
 export const URL_QUERY_KEYS = {
   addLibrary: "addLibrary",
 } as const;

packages/common/src/editorInterface.ts

@@ -16,7 +16,6 @@ export type EditorInterface = Readonly<{
 const DESKTOP_UI_MODE_STORAGE_KEY = "excalidraw.desktopUIMode";
 
 // breakpoints
-// mobile: up to 699px
 export const MQ_MAX_MOBILE = 599;
 
 export const MQ_MAX_WIDTH_LANDSCAPE = 1000;
@@ -24,9 +23,9 @@ 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 = 1400; // upper bound (excludes laptops/desktops)
+export const MQ_MAX_TABLET = 1180; // ipad air
 
-// desktop/laptop
+// desktop/laptop (NOTE: not used for form factor detection)
 export const MQ_MIN_WIDTH_DESKTOP = 1440;
 
 // sidebar

packages/common/src/index.ts

@@ -11,5 +11,4 @@ export * from "./random";
 export * from "./url";
 export * from "./utils";
 export * from "./emitter";
-export * from "./visualdebug";
 export * from "./editorInterface";

packages/common/src/utils.ts

@@ -10,7 +10,6 @@ import type {
   Zoom,
 } from "@excalidraw/excalidraw/types";
 
-import { COLOR_PALETTE } from "./colors";
 import {
   DEFAULT_VERSION,
   ENV,
@@ -548,16 +547,6 @@ export const mapFind = <T, K>(
   return undefined;
 };
 
-export const isTransparent = (color: string) => {
-  const isRGBTransparent = color.length === 5 && color.substr(4, 1) === "0";
-  const isRRGGBBTransparent = color.length === 9 && color.substr(7, 2) === "00";
-  return (
-    isRGBTransparent ||
-    isRRGGBBTransparent ||
-    color === COLOR_PALETTE.transparent
-  );
-};
-
 export type ResolvablePromise<T> = Promise<T> & {
   resolve: [T] extends [undefined]
     ? (value?: MaybePromise<Awaited<T>>) => void
@@ -1157,39 +1146,69 @@ export const normalizeEOL = (str: string) => {
 };
 
 // -----------------------------------------------------------------------------
-type HasBrand<T> = {
+export type HasBrand<T> = {
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  [K in keyof T]: K extends `~brand${infer _}` ? true : never;
+  [K in keyof T]: K extends `~brand${infer _}` | "_brand" ? true : never;
 }[keyof T];
 
 type RemoveAllBrands<T> = HasBrand<T> extends true
   ? {
       // eslint-disable-next-line @typescript-eslint/no-unused-vars
-      [K in keyof T as K extends `~brand~${infer _}` ? never : K]: T[K];
+      [K in keyof T as K extends `~brand~${infer _}` | "_brand"
+        ? never
+        : K]: T[K];
     }
-  : never;
+  : T;
 
-// adapted from https://github.com/colinhacks/zod/discussions/1994#discussioncomment-6068940
-// currently does not cover all types (e.g. tuples, promises...)
-type Unbrand<T> = T extends Map<infer E, infer F>
-  ? Map<E, F>
+// For accepting values - uses loose matching for branded types
+// Preserves readonly modifier: mutable array requires mutable input
+type UnbrandForValue<T> = T extends Map<infer E, infer F>
+  ? Map<UnbrandForValue<E>, UnbrandForValue<F>>
   : T extends Set<infer E>
-  ? Set<E>
-  : T extends Array<infer E>
-  ? Array<E>
+  ? Set<UnbrandForValue<E>>
+  : T extends readonly any[]
+  ? T extends any[]
+    ? unknown[] // mutable array - require mutable input
+    : readonly unknown[] // readonly array - accept readonly input
   : RemoveAllBrands<T>;
 
+// For return types - preserves array element unbranding
+export type Unbrand<T> = T extends Map<infer E, infer F>
+  ? Map<Unbrand<E>, Unbrand<F>>
+  : T extends Set<infer E>
+  ? Set<Unbrand<E>>
+  : T extends readonly (infer E)[]
+  ? Array<Unbrand<E>>
+  : RemoveAllBrands<T>;
+
+export type CombineBrands<BrandedType, CurrentType> =
+  BrandedType extends readonly (infer BE)[]
+    ? CurrentType extends readonly (infer CE)[]
+      ? Array<CE & BE>
+      : CurrentType & BrandedType
+    : CurrentType & BrandedType;
+
+export type CombineBrandsIfNeeded<T, Required> = [T] extends [Required]
+  ? T[]
+  : HasBrand<T> extends true
+  ? CombineBrands<T, Required>[]
+  : Required[];
+
 /**
  * Makes type into a branded type, ensuring that value is assignable to
- * the base ubranded type. Optionally you can explicitly supply current value
+ * the base unbranded type. Optionally you can explicitly supply current value
  * type to combine both (useful for composite branded types. Make sure you
  * compose branded types which are not composite themselves.)
  */
-export const toBrandedType = <BrandedType, CurrentType = BrandedType>(
-  value: Unbrand<BrandedType>,
-) => {
-  return value as CurrentType & BrandedType;
-};
+export function toBrandedType<BrandedType>(
+  value: UnbrandForValue<BrandedType>,
+): BrandedType;
+export function toBrandedType<BrandedType, CurrentType>(
+  value: CurrentType,
+): CombineBrands<BrandedType, CurrentType>;
+export function toBrandedType(value: unknown) {
+  return value;
+}
 
 // -----------------------------------------------------------------------------
 

packages/element/package.json

@@ -17,6 +17,12 @@
       "development": "./dist/dev/index.js",
       "production": "./dist/prod/index.js",
       "default": "./dist/prod/index.js"
+    },
+    "./visualdebug": {
+      "types": "./dist/types/element/src/visualdebug.d.ts",
+      "development": "./dist/dev/visualdebug.js",
+      "production": "./dist/prod/visualdebug.js",
+      "default": "./dist/prod/visualdebug.js"
     }
   },
   "files": [

packages/element/src/__tests__/__snapshots__/transform.test.ts.snap

@@ -27,6 +27,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#66a80f",
   "strokeStyle": "solid",
@@ -64,6 +67,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#9c36b5",
   "strokeStyle": "solid",
@@ -116,6 +122,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -177,6 +186,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -223,6 +235,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -266,6 +281,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
   "originalText": "HEYYYYY",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#c2255c",
   "strokeStyle": "solid",
@@ -312,6 +330,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
   "originalText": "Whats up ?",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -372,6 +393,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -419,6 +443,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
   "originalText": "HELLO WORLD!!",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -479,6 +506,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to shapes whe
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -526,6 +556,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to shapes whe
   "originalText": "HELLO WORLD!!",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -566,6 +599,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to shapes whe
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -603,6 +639,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to shapes whe
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -660,6 +699,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to text when
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -707,6 +749,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to text when
   "originalText": "HELLO WORLD!!",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -753,6 +798,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to text when
   "originalText": "HEYYYYY",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -799,6 +847,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to text when
   "originalText": "WHATS UP ?",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -834,6 +885,9 @@ exports[`Test Transform > should not allow duplicate ids 1`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -879,6 +933,9 @@ exports[`Test Transform > should transform linear elements 1`] = `
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -926,6 +983,9 @@ exports[`Test Transform > should transform linear elements 2`] = `
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": "dot",
   "startBinding": null,
@@ -973,6 +1033,9 @@ exports[`Test Transform > should transform linear elements 3`] = `
   "polygon": false,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -1020,6 +1083,9 @@ exports[`Test Transform > should transform linear elements 4`] = `
   "polygon": false,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -1054,6 +1120,9 @@ exports[`Test Transform > should transform regular shapes 1`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1086,6 +1155,9 @@ exports[`Test Transform > should transform regular shapes 2`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1118,6 +1190,9 @@ exports[`Test Transform > should transform regular shapes 3`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1150,6 +1225,9 @@ exports[`Test Transform > should transform regular shapes 4`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1182,6 +1260,9 @@ exports[`Test Transform > should transform regular shapes 5`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "dotted",
@@ -1214,6 +1295,9 @@ exports[`Test Transform > should transform regular shapes 6`] = `
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1971c2",
   "strokeStyle": "dashed",
@@ -1252,6 +1336,9 @@ exports[`Test Transform > should transform text element 1`] = `
   "originalText": "HELLO WORLD!",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1293,6 +1380,9 @@ exports[`Test Transform > should transform text element 2`] = `
   "originalText": "STYLED HELLO WORLD!",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#5f3dc4",
   "strokeStyle": "solid",
@@ -1339,6 +1429,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1378,6 +1471,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1421,6 +1517,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1468,6 +1567,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1527,6 +1629,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "roundness": {
     "type": 2,
   },
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -1591,6 +1696,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "roundness": {
     "type": 2,
   },
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": {
@@ -1640,6 +1748,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "B",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1683,6 +1794,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "A",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1726,6 +1840,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "Alice",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1769,6 +1886,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "Bob",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1810,6 +1930,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "How are you?",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1851,6 +1974,9 @@ exports[`Test Transform > should transform the elements correctly when linear el
   "originalText": "Friendship",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -1904,6 +2030,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -1956,6 +2085,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -2008,6 +2140,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -2060,6 +2195,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   ],
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "startArrowhead": null,
   "startBinding": null,
@@ -2100,6 +2238,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   "originalText": "LABELED ARROW",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2141,6 +2282,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   "originalText": "STYLED LABELED ARROW",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#099268",
   "strokeStyle": "solid",
@@ -2182,6 +2326,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   "originalText": "ANOTHER STYLED LABELLED ARROW",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1098ad",
   "strokeStyle": "solid",
@@ -2224,6 +2371,9 @@ exports[`Test Transform > should transform to labelled arrows when label provide
   "originalText": "ANOTHER STYLED LABELLED ARROW",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#099268",
   "strokeStyle": "solid",
@@ -2265,6 +2415,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2302,6 +2455,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2339,6 +2495,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2376,6 +2535,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2413,6 +2575,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#c2255c",
   "strokeStyle": "solid",
@@ -2450,6 +2615,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "opacity": 100,
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#f08c00",
   "strokeStyle": "solid",
@@ -2488,6 +2656,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "originalText": "RECTANGLE TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2529,6 +2700,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "originalText": "ELLIPSE TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2572,6 +2746,9 @@ exports[`Test Transform > should transform to text containers when label provide
 TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#1e1e1e",
   "strokeStyle": "solid",
@@ -2615,6 +2792,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "originalText": "STYLED DIAMOND TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#099268",
   "strokeStyle": "solid",
@@ -2657,6 +2837,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "originalText": "TOP LEFT ALIGNED RECTANGLE TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#c2255c",
   "strokeStyle": "solid",
@@ -2700,6 +2883,9 @@ exports[`Test Transform > should transform to text containers when label provide
   "originalText": "STYLED ELLIPSE TEXT CONTAINER",
   "roughness": 1,
   "roundness": null,
+  "schemaState": {
+    "tracks": {},
+  },
   "seed": Any<Number>,
   "strokeColor": "#c2255c",
   "strokeStyle": "solid",

packages/element/src/arrows/focus.ts

@@ -0,0 +1,558 @@
+import { pointDistance, pointFrom, type GlobalPoint } from "@excalidraw/math";
+import { invariant } from "@excalidraw/common";
+
+import type { AppState, NullableGridSize } from "@excalidraw/excalidraw/types";
+
+import {
+  bindBindingElement,
+  calculateFixedPointForNonElbowArrowBinding,
+  FOCUS_POINT_SIZE,
+  getBindingGap,
+  getGlobalFixedPointForBindableElement,
+  isBindingEnabled,
+  maxBindingDistance_simple,
+  unbindBindingElement,
+  updateBoundPoint,
+} from "../binding";
+import {
+  isBindableElement,
+  isBindingElement,
+  isElbowArrow,
+} from "../typeChecks";
+import { LinearElementEditor } from "../linearElementEditor";
+import { getHoveredElementForFocusPoint, hitElementItself } from "../collision";
+import { moveArrowAboveBindable } from "../zindex";
+
+import type {
+  ElementsMap,
+  ExcalidrawArrowElement,
+  ExcalidrawBindableElement,
+  NonDeletedSceneElementsMap,
+  PointsPositionUpdates,
+} from "../types";
+
+import type { Scene } from "../Scene";
+
+export const isFocusPointVisible = (
+  focusPoint: GlobalPoint,
+  arrow: ExcalidrawArrowElement,
+  bindableElement: ExcalidrawBindableElement,
+  elementsMap: ElementsMap,
+  appState: {
+    isBindingEnabled: AppState["isBindingEnabled"];
+    zoom: AppState["zoom"];
+  },
+  startOrEnd: "start" | "end",
+  ignoreOverlap = false,
+): boolean => {
+  // No focus point management for elbow arrows, because elbow arrows
+  // always have their focus point at the arrow point itself
+  if (
+    isElbowArrow(arrow) ||
+    !isBindingEnabled(appState) ||
+    arrow.points.length !== 2
+  ) {
+    return false;
+  }
+
+  // Avoid showing the focus point indicator if the focus point is essentially
+  // on top of the arrow point it belongs to itself, if not ignoring specifically
+  if (!ignoreOverlap) {
+    const associatedPointIdx =
+      arrow.startBinding?.elementId === bindableElement.id
+        ? 0
+        : arrow.points.length - 1;
+    const associatedArrowPoint =
+      LinearElementEditor.getPointAtIndexGlobalCoordinates(
+        arrow,
+        associatedPointIdx,
+        elementsMap,
+      );
+
+    if (
+      pointDistance(focusPoint, associatedArrowPoint) <
+      (FOCUS_POINT_SIZE * 1.5) / appState.zoom.value
+    ) {
+      return false;
+    }
+  }
+
+  const arrowPoint = LinearElementEditor.getPointAtIndexGlobalCoordinates(
+    arrow,
+    startOrEnd === "end" ? arrow.points.length - 1 : 0,
+    elementsMap,
+  );
+
+  // Check if the focus point is within the element's shape bounds
+  // Endpoint dragging takes precedence
+  return (
+    pointDistance(focusPoint, arrowPoint) >=
+      (FOCUS_POINT_SIZE * 1.5) / appState.zoom.value &&
+    hitElementItself({
+      element: bindableElement,
+      elementsMap,
+      point: focusPoint,
+      threshold: getBindingGap(bindableElement, arrow),
+      overrideShouldTestInside: true,
+    })
+  );
+};
+
+// Updates the arrow endpoints in "orbit" configuration
+const focusPointUpdate = (
+  arrow: ExcalidrawArrowElement,
+  bindableElement: ExcalidrawBindableElement | null,
+  isStartBinding: boolean,
+  elementsMap: NonDeletedSceneElementsMap,
+  scene: Scene,
+  appState: AppState,
+  switchToInsideBinding: boolean,
+) => {
+  const pointUpdates = new Map();
+
+  const bindingField = isStartBinding ? "startBinding" : "endBinding";
+  const adjacentBindingField = isStartBinding ? "endBinding" : "startBinding";
+  let currentBinding = arrow[bindingField];
+  let adjacentBinding = arrow[adjacentBindingField];
+
+  // Update the dragged focus point related end
+  if (currentBinding && bindableElement) {
+    // Update the targeted bindings
+    const boundToSameElement =
+      bindableElement &&
+      adjacentBinding &&
+      currentBinding.elementId === adjacentBinding.elementId;
+    if (switchToInsideBinding || boundToSameElement) {
+      currentBinding = {
+        ...currentBinding,
+        mode: "inside",
+      };
+    } else {
+      currentBinding = {
+        ...currentBinding,
+        mode: "orbit",
+      };
+    }
+
+    const pointIndex = isStartBinding ? 0 : arrow.points.length - 1;
+    const newPoint = updateBoundPoint(
+      arrow,
+      bindingField as "startBinding" | "endBinding",
+      currentBinding,
+      bindableElement,
+      elementsMap,
+      true,
+    );
+
+    if (newPoint) {
+      pointUpdates.set(pointIndex, { point: newPoint });
+    }
+  }
+
+  // Also update the adjacent end if it has a binding
+  if (adjacentBinding && adjacentBinding.mode === "orbit") {
+    const adjacentBindableElement = elementsMap.get(
+      adjacentBinding.elementId,
+    ) as ExcalidrawBindableElement;
+
+    if (
+      adjacentBindableElement &&
+      isBindableElement(adjacentBindableElement) &&
+      isBindingEnabled(appState)
+    ) {
+      // Same shape bound on both ends
+      const boundToSameElementAfterUpdate =
+        bindableElement && adjacentBinding.elementId === bindableElement.id;
+      if (switchToInsideBinding || boundToSameElementAfterUpdate) {
+        adjacentBinding = {
+          ...adjacentBinding,
+          mode: "inside",
+        };
+      } else {
+        adjacentBinding = {
+          ...adjacentBinding,
+          mode: "orbit",
+        };
+      }
+
+      const adjacentPointIndex = isStartBinding ? arrow.points.length - 1 : 0;
+      const adjacentNewPoint = updateBoundPoint(
+        arrow,
+        adjacentBindingField,
+        adjacentBinding,
+        adjacentBindableElement,
+        elementsMap,
+      );
+
+      if (adjacentNewPoint) {
+        pointUpdates.set(adjacentPointIndex, {
+          point: adjacentNewPoint,
+        });
+      }
+    }
+  }
+
+  if (pointUpdates.size > 0) {
+    LinearElementEditor.movePoints(arrow, scene, pointUpdates, {
+      [bindingField]: currentBinding,
+      [adjacentBindingField]: adjacentBinding,
+    });
+  }
+};
+
+export const handleFocusPointDrag = (
+  linearElementEditor: LinearElementEditor,
+  elementsMap: NonDeletedSceneElementsMap,
+  pointerCoords: { x: number; y: number },
+  scene: Scene,
+  appState: AppState,
+  gridSize: NullableGridSize,
+  switchToInsideBinding: boolean,
+) => {
+  const arrow = LinearElementEditor.getElement(
+    linearElementEditor.elementId,
+    elementsMap,
+  ) as any;
+
+  // Sanity checks
+  if (
+    !arrow ||
+    !isBindingElement(arrow) ||
+    isElbowArrow(arrow) ||
+    !linearElementEditor.hoveredFocusPointBinding ||
+    !linearElementEditor.draggedFocusPointBinding
+  ) {
+    return;
+  }
+
+  const isStartBinding =
+    linearElementEditor.draggedFocusPointBinding === "start";
+  const binding = isStartBinding ? arrow.startBinding : arrow.endBinding;
+  const { x: offsetX, y: offsetY } = linearElementEditor.pointerOffset;
+  const point = pointFrom<GlobalPoint>(
+    pointerCoords.x - offsetX,
+    pointerCoords.y - offsetY,
+  );
+  const bindingField = isStartBinding ? "startBinding" : "endBinding";
+  const hit = getHoveredElementForFocusPoint(
+    point,
+    arrow,
+    scene.getNonDeletedElements(),
+    elementsMap,
+    maxBindingDistance_simple(appState.zoom),
+  );
+
+  // Hovering a bindable element
+  if (hit && isBindingEnabled(appState)) {
+    // Break existing binding if bound to another shape or if binding is disabled
+    if (arrow[bindingField] && hit.id !== binding?.elementId) {
+      unbindBindingElement(
+        arrow,
+        linearElementEditor.draggedFocusPointBinding,
+        scene,
+      );
+    }
+
+    // Handle binding mode switch
+    const newMode =
+      switchToInsideBinding && arrow[bindingField]?.mode === "orbit"
+        ? "inside"
+        : !switchToInsideBinding && arrow[bindingField]?.mode === "inside"
+        ? "orbit"
+        : null;
+
+    // If no existing binding, create it
+    if (!arrow[bindingField] || newMode) {
+      // Create a new binding if none exists
+      bindBindingElement(
+        arrow,
+        hit,
+        newMode || "orbit",
+        linearElementEditor.draggedFocusPointBinding,
+        scene,
+        point,
+      );
+    }
+
+    // Update the binding's fixed point
+    scene.mutateElement(arrow, {
+      [bindingField]: {
+        ...arrow[bindingField],
+        elementId: hit.id,
+        mode: newMode || arrow[bindingField]?.mode || "orbit",
+        ...calculateFixedPointForNonElbowArrowBinding(
+          arrow,
+          hit,
+          linearElementEditor.draggedFocusPointBinding,
+          elementsMap,
+          point,
+        ),
+      },
+    });
+  } else {
+    // Not hovering any bindable element, move the arrow endpoint
+    const pointUpdates: PointsPositionUpdates = new Map();
+    const pointIndex = isStartBinding ? 0 : arrow.points.length - 1;
+    pointUpdates.set(pointIndex, {
+      point: LinearElementEditor.createPointAt(
+        arrow,
+        elementsMap,
+        point[0],
+        point[1],
+        gridSize,
+      ),
+    });
+    LinearElementEditor.movePoints(arrow, scene, pointUpdates);
+    if (arrow[bindingField]) {
+      unbindBindingElement(arrow, isStartBinding ? "start" : "end", scene);
+    }
+  }
+
+  // Update the arrow endpoints
+  focusPointUpdate(
+    arrow,
+    hit,
+    isStartBinding,
+    elementsMap,
+    scene,
+    appState,
+    switchToInsideBinding,
+  );
+
+  if (hit && isBindingEnabled(appState)) {
+    moveArrowAboveBindable(
+      point,
+      arrow,
+      scene.getElementsIncludingDeleted(),
+      elementsMap,
+      scene,
+      hit,
+    );
+  }
+};
+
+export const handleFocusPointPointerDown = (
+  arrow: ExcalidrawArrowElement,
+  pointerDownState: { origin: { x: number; y: number } },
+  elementsMap: NonDeletedSceneElementsMap,
+  appState: AppState,
+): {
+  hitFocusPoint: "start" | "end" | null;
+  pointerOffset: { x: number; y: number };
+} => {
+  const pointerPos = pointFrom(
+    pointerDownState.origin.x,
+    pointerDownState.origin.y,
+  );
+  const hitThreshold = (FOCUS_POINT_SIZE * 1.5) / appState.zoom.value;
+
+  // Check start binding focus point
+  if (arrow.startBinding?.elementId) {
+    const bindableElement = elementsMap.get(arrow.startBinding.elementId);
+    if (
+      bindableElement &&
+      isBindableElement(bindableElement) &&
+      !bindableElement.isDeleted
+    ) {
+      const focusPoint = getGlobalFixedPointForBindableElement(
+        arrow.startBinding.fixedPoint,
+        bindableElement,
+        elementsMap,
+      );
+      if (
+        isFocusPointVisible(
+          focusPoint,
+          arrow,
+          bindableElement,
+          elementsMap,
+          appState,
+          "start",
+        ) &&
+        pointDistance(pointerPos, focusPoint) <= hitThreshold
+      ) {
+        return {
+          hitFocusPoint: "start",
+          pointerOffset: {
+            x: pointerPos[0] - focusPoint[0],
+            y: pointerPos[1] - focusPoint[1],
+          },
+        };
+      }
+    }
+  }
+
+  // Check end binding focus point (only if start not already hit)
+  if (arrow.endBinding?.elementId) {
+    const bindableElement = elementsMap.get(arrow.endBinding.elementId);
+    if (
+      bindableElement &&
+      isBindableElement(bindableElement) &&
+      !bindableElement.isDeleted
+    ) {
+      const focusPoint = getGlobalFixedPointForBindableElement(
+        arrow.endBinding.fixedPoint,
+        bindableElement,
+        elementsMap,
+      );
+      if (
+        isFocusPointVisible(
+          focusPoint,
+          arrow,
+          bindableElement,
+          elementsMap,
+          appState,
+          "end",
+        ) &&
+        pointDistance(pointerPos, focusPoint) <= hitThreshold
+      ) {
+        return {
+          hitFocusPoint: "end",
+          pointerOffset: {
+            x: pointerPos[0] - focusPoint[0],
+            y: pointerPos[1] - focusPoint[1],
+          },
+        };
+      }
+    }
+  }
+
+  return {
+    hitFocusPoint: null,
+    pointerOffset: { x: 0, y: 0 },
+  };
+};
+
+export const handleFocusPointPointerUp = (
+  linearElementEditor: LinearElementEditor,
+  scene: Scene,
+) => {
+  invariant(
+    linearElementEditor.draggedFocusPointBinding,
+    "Must have a dragged focus point at pointer release",
+  );
+
+  const arrow = LinearElementEditor.getElement<ExcalidrawArrowElement>(
+    linearElementEditor.elementId,
+    scene.getNonDeletedElementsMap(),
+  );
+  invariant(arrow, "Arrow must be in the scene");
+
+  // Clean up
+  const bindingKey =
+    linearElementEditor.draggedFocusPointBinding === "start"
+      ? "startBinding"
+      : "endBinding";
+  const otherBindingKey =
+    linearElementEditor.draggedFocusPointBinding === "start"
+      ? "endBinding"
+      : "startBinding";
+  const boundElementId = arrow[bindingKey]?.elementId;
+  const otherBoundElementId = arrow[otherBindingKey]?.elementId;
+  const oldBoundElement =
+    boundElementId &&
+    scene
+      .getNonDeletedElements()
+      .find(
+        (element) =>
+          element.id !== boundElementId &&
+          element.id !== otherBoundElementId &&
+          isBindableElement(element) &&
+          element.boundElements?.find(({ id }) => id === arrow.id),
+      );
+  if (oldBoundElement) {
+    scene.mutateElement(oldBoundElement, {
+      boundElements: oldBoundElement.boundElements?.filter(
+        ({ id }) => id !== arrow.id,
+      ),
+    });
+  }
+
+  // Record the new bound element
+  const boundElement =
+    boundElementId && scene.getNonDeletedElementsMap().get(boundElementId);
+  if (boundElement) {
+    scene.mutateElement(boundElement, {
+      boundElements: [
+        ...(boundElement.boundElements || [])?.filter(
+          ({ id }) => id !== arrow.id,
+        ),
+        {
+          id: arrow.id,
+          type: "arrow",
+        },
+      ],
+    });
+  }
+};
+
+export const handleFocusPointHover = (
+  arrow: ExcalidrawArrowElement,
+  scenePointerX: number,
+  scenePointerY: number,
+  scene: Scene,
+  appState: AppState,
+): "start" | "end" | null => {
+  const elementsMap = scene.getNonDeletedElementsMap();
+  const pointerPos = pointFrom(scenePointerX, scenePointerY);
+  const hitThreshold = (FOCUS_POINT_SIZE * 1.5) / appState.zoom.value;
+
+  // Check start binding focus point
+  if (arrow.startBinding?.elementId) {
+    const bindableElement = elementsMap.get(arrow.startBinding.elementId);
+    if (
+      bindableElement &&
+      isBindableElement(bindableElement) &&
+      !bindableElement.isDeleted
+    ) {
+      const focusPoint = getGlobalFixedPointForBindableElement(
+        arrow.startBinding.fixedPoint,
+        bindableElement,
+        elementsMap,
+      );
+      if (
+        isFocusPointVisible(
+          focusPoint,
+          arrow,
+          bindableElement,
+          elementsMap,
+          appState,
+          "start",
+        ) &&
+        pointDistance(pointerPos, focusPoint) <= hitThreshold
+      ) {
+        return "start";
+      }
+    }
+  }
+
+  // Check end binding focus point (only if start not already hovered)
+  if (arrow.endBinding?.elementId) {
+    const bindableElement = elementsMap.get(arrow.endBinding.elementId);
+    if (
+      bindableElement &&
+      isBindableElement(bindableElement) &&
+      !bindableElement.isDeleted
+    ) {
+      const focusPoint = getGlobalFixedPointForBindableElement(
+        arrow.endBinding.fixedPoint,
+        bindableElement,
+        elementsMap,
+      );
+      if (
+        isFocusPointVisible(
+          focusPoint,
+          arrow,
+          bindableElement,
+          elementsMap,
+          appState,
+          "end",
+        ) &&
+        pointDistance(pointerPos, focusPoint) <= hitThreshold
+      ) {
+        return "end";
+      }
+    }
+  }
+
+  return null;
+};

packages/element/src/arrows/helpers.ts

@@ -0,0 +1,45 @@
+import type { App } from "@excalidraw/excalidraw/types";
+
+import { LinearElementEditor } from "../linearElementEditor";
+
+import { handleFocusPointDrag } from "./focus";
+
+export const maybeHandleArrowPointlikeDrag = ({
+  app,
+  event,
+}: {
+  app: App;
+  event: KeyboardEvent | React.KeyboardEvent<Element> | PointerEvent;
+}): boolean => {
+  const appState = app.state;
+  if (appState.selectedLinearElement && app.lastPointerMoveCoords) {
+    // Update focus point status if the binding mode is changing
+    if (appState.selectedLinearElement.draggedFocusPointBinding) {
+      handleFocusPointDrag(
+        appState.selectedLinearElement,
+        app.scene.getNonDeletedElementsMap(),
+        app.lastPointerMoveCoords,
+        app.scene,
+        appState,
+        app.getEffectiveGridSize(),
+        event.altKey,
+      );
+      return true;
+    } else if (
+      appState.selectedLinearElement.hoverPointIndex !== null &&
+      app.lastPointerMoveEvent &&
+      appState.selectedLinearElement.initialState.lastClickedPoint >= 0 &&
+      appState.selectedLinearElement.isDragging
+    ) {
+      LinearElementEditor.handlePointDragging(
+        app.lastPointerMoveEvent,
+        app,
+        app.lastPointerMoveCoords.x,
+        app.lastPointerMoveCoords.y,
+        appState.selectedLinearElement,
+      );
+      return true;
+    }
+  }
+  return false;
+};

packages/element/src/binding.ts

@@ -15,6 +15,7 @@ import {
   pointFrom,
   pointFromVector,
   pointRotateRads,
+  pointsEqual,
   vectorFromPoint,
   vectorNormalize,
   vectorScale,
@@ -26,14 +27,11 @@ import type { AppState } from "@excalidraw/excalidraw/types";
 import type { MapEntry, Mutable } from "@excalidraw/common/utility-types";
 import type { Bounds } from "@excalidraw/common";
 
-import {
-  doBoundsIntersect,
-  getCenterForBounds,
-  getElementBounds,
-} from "./bounds";
+import { getCenterForBounds } from "./bounds";
 import {
   getAllHoveredElementAtPoint,
   getHoveredElementForBinding,
+  hitElementItself,
   intersectElementWithLineSegment,
   isBindableElementInsideOtherBindable,
   isPointInElement,
@@ -112,8 +110,10 @@ export type BindingStrategy =
  *
  * IMPORTANT: currently must be > 0 (this also applies to the computed gap)
  */
-export const BASE_BINDING_GAP = 10;
+export const BASE_BINDING_GAP = 5;
 export const BASE_BINDING_GAP_ELBOW = 5;
+export const BASE_ARROW_MIN_LENGTH = 10;
+export const FOCUS_POINT_SIZE = 10 / 1.5;
 
 export const getBindingGap = (
   bindTarget: ExcalidrawBindableElement,
@@ -143,7 +143,9 @@ export const shouldEnableBindingForPointerEvent = (
   return !event[KEYS.CTRL_OR_CMD];
 };
 
-export const isBindingEnabled = (appState: AppState): boolean => {
+export const isBindingEnabled = (appState: {
+  isBindingEnabled: AppState["isBindingEnabled"];
+}): boolean => {
   return appState.isBindingEnabled;
 };
 
@@ -257,7 +259,7 @@ const bindingStrategyForElbowArrowEndpointDragging = (
     globalPoint,
     elements,
     elementsMap,
-    (element) => maxBindingDistance_simple(zoom),
+    maxBindingDistance_simple(zoom),
   );
 
   const current = hit
@@ -682,7 +684,7 @@ const getBindingStrategyForDraggingBindingElementEndpoints_simple = (
     globalPoint,
     elements,
     elementsMap,
-    (e) => maxBindingDistance_simple(appState.zoom),
+    maxBindingDistance_simple(appState.zoom),
   );
   const pointInElement =
     hit &&
@@ -709,7 +711,13 @@ const getBindingStrategyForDraggingBindingElementEndpoints_simple = (
   const otherFocusPointIsInElement =
     otherBindableElement &&
     otherFocusPoint &&
-    isPointInElement(otherFocusPoint, otherBindableElement, elementsMap);
+    hitElementItself({
+      point: otherFocusPoint,
+      element: otherBindableElement,
+      elementsMap,
+      threshold: 0,
+      overrideShouldTestInside: true,
+    });
 
   // Handle outside-outside binding to the same element
   if (otherBinding && otherBinding.elementId === hit?.id) {
@@ -789,6 +797,7 @@ const getBindingStrategyForDraggingBindingElementEndpoints_simple = (
               hit,
               startDragged ? "start" : "end",
               elementsMap,
+              appState.zoom,
             ) || globalPoint,
         }
     : { mode: null };
@@ -798,11 +807,24 @@ const getBindingStrategyForDraggingBindingElementEndpoints_simple = (
     startDragged ? -1 : 0,
     elementsMap,
   );
-
-  const other: BindingStrategy =
+  const pointIsCloseToOtherElement =
+    otherFocusPoint &&
     otherBindableElement &&
-    !otherFocusPointIsInElement &&
-    appState.selectedLinearElement?.initialState.altFocusPoint
+    hitElementItself({
+      point: globalPoint,
+      element: otherBindableElement,
+      elementsMap,
+      threshold: maxBindingDistance_simple(appState.zoom),
+      overrideShouldTestInside: true,
+    });
+  const otherNeverOverride = opts?.newArrow
+    ? appState.selectedLinearElement?.initialState.arrowStartIsInside
+    : otherBinding?.mode === "inside";
+  const other: BindingStrategy = !otherNeverOverride
+    ? otherBindableElement &&
+      !otherFocusPointIsInElement &&
+      !pointIsCloseToOtherElement &&
+      appState.selectedLinearElement?.initialState.altFocusPoint
       ? {
           mode: "orbit",
           element: otherBindableElement,
@@ -819,9 +841,11 @@ const getBindingStrategyForDraggingBindingElementEndpoints_simple = (
               otherBindableElement,
               startDragged ? "end" : "start",
               elementsMap,
+              appState.zoom,
             ) || otherEndpoint,
         }
-      : { mode: undefined };
+      : { mode: undefined }
+    : { mode: undefined };
 
   return {
     start: startDragged ? current : other,
@@ -1085,7 +1109,7 @@ export const updateBoundElements = (
     });
   }
 
-  boundElementsVisitor(elementsMap, changedElement, (element) => {
+  const visitor = (element: ExcalidrawElement | undefined) => {
     if (!isArrowElement(element) || element.isDeleted) {
       return;
     }
@@ -1157,7 +1181,71 @@ export const updateBoundElements = (
     if (boundText && !boundText.isDeleted) {
       handleBindTextResize(element, scene, false);
     }
-  });
+  };
+
+  boundElementsVisitor(elementsMap, changedElement, visitor);
+};
+
+const updateArrowBindings = (
+  latestElement: ExcalidrawArrowElement,
+  startOrEnd: "startBinding" | "endBinding",
+  elementsMap: NonDeletedSceneElementsMap,
+  scene: Scene,
+  appState: AppState,
+) => {
+  invariant(
+    !isElbowArrow(latestElement),
+    "Elbow arrows not supported for indirect updates",
+  );
+
+  const binding = latestElement[startOrEnd];
+  const bindableElement =
+    binding &&
+    (elementsMap.get(binding.elementId) as ExcalidrawBindableElement);
+  const point = LinearElementEditor.getPointAtIndexGlobalCoordinates(
+    latestElement,
+    startOrEnd === "startBinding" ? 0 : -1,
+    elementsMap,
+  );
+  const hit =
+    bindableElement &&
+    hitElementItself({
+      element: bindableElement,
+      point,
+      elementsMap,
+      threshold: maxBindingDistance_simple(appState.zoom),
+    });
+  const strategyName = startOrEnd === "startBinding" ? "start" : "end";
+  unbindBindingElement(latestElement, strategyName, scene);
+  if (hit) {
+    const pointIdx =
+      startOrEnd === "startBinding" ? 0 : latestElement.points.length - 1;
+    const localPoint = latestElement.points[pointIdx];
+    const strategy =
+      getBindingStrategyForDraggingBindingElementEndpoints_simple(
+        latestElement,
+        new Map([[pointIdx, { point: localPoint }]]),
+        point[0],
+        point[1],
+        elementsMap,
+        scene.getNonDeletedElements(),
+        appState,
+      );
+    if (
+      strategy[strategyName] &&
+      strategy[strategyName].element?.id === bindableElement.id &&
+      strategy[strategyName].mode
+    ) {
+      bindBindingElement(
+        latestElement,
+        bindableElement,
+        strategy[strategyName].mode,
+        strategyName,
+        scene,
+        strategy[strategyName].focusPoint,
+      );
+    }
+  }
 };
 
 export const updateBindings = (
@@ -1170,14 +1258,27 @@ export const updateBindings = (
   },
 ) => {
   if (isArrowElement(latestElement)) {
-    bindOrUnbindBindingElement(
-      latestElement,
-      new Map(),
-      Infinity,
-      Infinity,
-      scene,
-      appState,
-    );
+    const elementsMap = scene.getNonDeletedElementsMap();
+
+    if (latestElement.startBinding) {
+      updateArrowBindings(
+        latestElement,
+        "startBinding",
+        elementsMap,
+        scene,
+        appState,
+      );
+    }
+
+    if (latestElement.endBinding) {
+      updateArrowBindings(
+        latestElement,
+        "endBinding",
+        elementsMap,
+        scene,
+        appState,
+      );
+    }
   } else {
     updateBoundElements(latestElement, scene, {
       ...options,
@@ -1291,14 +1392,16 @@ export const bindPointToSnapToElementOutline = (
       headingForPointFromElement(bindableElement, aabb, point),
     );
     const snapPoint = snapToMid(
-      arrowElement,
       bindableElement,
       elementsMap,
       edgePoint,
+      0.05,
+      arrowElement,
     );
+    const resolved = snapPoint || point;
     const otherPoint = pointFrom<GlobalPoint>(
-      isHorizontal ? bindableCenter[0] : snapPoint[0],
-      !isHorizontal ? bindableCenter[1] : snapPoint[1],
+      isHorizontal ? bindableCenter[0] : resolved[0],
+      !isHorizontal ? bindableCenter[1] : resolved[1],
     );
     const intersector =
       customIntersector ??
@@ -1306,7 +1409,7 @@ export const bindPointToSnapToElementOutline = (
         otherPoint,
         pointFromVector(
           vectorScale(
-            vectorNormalize(vectorFromPoint(snapPoint, otherPoint)),
+            vectorNormalize(vectorFromPoint(resolved, otherPoint)),
             Math.max(bindableElement.width, bindableElement.height) * 2,
           ),
           otherPoint,
@@ -1321,14 +1424,14 @@ export const bindPointToSnapToElementOutline = (
 
     if (!intersection) {
       const anotherPoint = pointFrom<GlobalPoint>(
-        !isHorizontal ? bindableCenter[0] : snapPoint[0],
-        isHorizontal ? bindableCenter[1] : snapPoint[1],
+        !isHorizontal ? bindableCenter[0] : resolved[0],
+        isHorizontal ? bindableCenter[1] : resolved[1],
       );
       const anotherIntersector = lineSegment(
         anotherPoint,
         pointFromVector(
           vectorScale(
-            vectorNormalize(vectorFromPoint(snapPoint, anotherPoint)),
+            vectorNormalize(vectorFromPoint(resolved, anotherPoint)),
             Math.max(bindableElement.width, bindableElement.height) * 2,
           ),
           anotherPoint,
@@ -1475,18 +1578,18 @@ export const avoidRectangularCorner = (
   return p;
 };
 
-const snapToMid = (
-  arrowElement: ExcalidrawArrowElement,
+export const snapToMid = (
   bindTarget: ExcalidrawBindableElement,
   elementsMap: ElementsMap,
   p: GlobalPoint,
   tolerance: number = 0.05,
-): GlobalPoint => {
+  arrowElement?: ExcalidrawArrowElement,
+): GlobalPoint | undefined => {
   const { x, y, width, height, angle } = bindTarget;
   const center = elementCenterPoint(bindTarget, elementsMap, -0.1, -0.1);
   const nonRotated = pointRotateRads(p, center, -angle as Radians);
 
-  const bindingGap = getBindingGap(bindTarget, arrowElement);
+  const bindingGap = arrowElement ? getBindingGap(bindTarget, arrowElement) : 0;
 
   // snap-to-center point is adaptive to element size, but we don't want to go
   // above and below certain px distance
@@ -1495,7 +1598,7 @@ const snapToMid = (
 
   // Too close to the center makes it hard to resolve direction precisely
   if (pointDistance(center, nonRotated) < bindingGap) {
-    return p;
+    return undefined;
   }
 
   if (
@@ -1504,8 +1607,8 @@ const snapToMid = (
     nonRotated[1] < center[1] + verticalThreshold
   ) {
     // LEFT
-    return pointRotateRads<GlobalPoint>(
-      pointFrom(x - bindingGap, center[1]),
+    return pointRotateRads(
+      pointFrom<GlobalPoint>(x - bindingGap, center[1]),
       center,
       angle,
     );
@@ -1515,7 +1618,11 @@ const snapToMid = (
     nonRotated[0] < center[0] + horizontalThreshold
   ) {
     // TOP
-    return pointRotateRads(pointFrom(center[0], y - bindingGap), center, angle);
+    return pointRotateRads(
+      pointFrom<GlobalPoint>(center[0], y - bindingGap),
+      center,
+      angle,
+    );
   } else if (
     nonRotated[0] >= x + width / 2 &&
     nonRotated[1] > center[1] - verticalThreshold &&
@@ -1523,7 +1630,7 @@ const snapToMid = (
   ) {
     // RIGHT
     return pointRotateRads(
-      pointFrom(x + width + bindingGap, center[1]),
+      pointFrom<GlobalPoint>(x + width + bindingGap, center[1]),
       center,
       angle,
     );
@@ -1534,7 +1641,7 @@ const snapToMid = (
   ) {
     // DOWN
     return pointRotateRads(
-      pointFrom(center[0], y + height + bindingGap),
+      pointFrom<GlobalPoint>(center[0], y + height + bindingGap),
       center,
       angle,
     );
@@ -1583,13 +1690,44 @@ const snapToMid = (
     }
   }
 
-  return p;
+  return undefined;
 };
 
-const compareElementArea = (
-  a: ExcalidrawBindableElement,
-  b: ExcalidrawBindableElement,
-) => b.width ** 2 + b.height ** 2 - (a.width ** 2 + a.height ** 2);
+const extractBinding = (
+  arrow: ExcalidrawArrowElement,
+  startOrEnd: "startBinding" | "endBinding",
+  elementsMap: ElementsMap,
+) => {
+  const binding = arrow[startOrEnd];
+  if (!binding) {
+    return {
+      element: null,
+      fixedPoint: null,
+      focusPoint: null,
+      binding,
+      mode: null,
+    };
+  }
+
+  const element = elementsMap.get(
+    binding.elementId,
+  ) as ExcalidrawBindableElement;
+
+  return {
+    element,
+    fixedPoint: binding.fixedPoint,
+    focusPoint: getGlobalFixedPointForBindableElement(
+      normalizeFixedPoint(binding.fixedPoint),
+      element,
+      elementsMap,
+    ),
+    binding,
+    mode: binding.mode,
+  };
+};
+
+const elementArea = (element: ExcalidrawBindableElement) =>
+  element.width * element.height;
 
 export const updateBoundPoint = (
   arrow: NonDeleted<ExcalidrawArrowElement>,
@@ -1597,162 +1735,151 @@ export const updateBoundPoint = (
   binding: FixedPointBinding | null | undefined,
   bindableElement: ExcalidrawBindableElement,
   elementsMap: ElementsMap,
-  customIntersector?: LineSegment<GlobalPoint>,
+  dragging?: boolean,
 ): LocalPoint | null => {
   if (
     binding == null ||
     // We only need to update the other end if this is a 2 point line element
-    (binding.elementId !== bindableElement.id && arrow.points.length > 2)
+    (binding.elementId !== bindableElement.id && arrow.points.length > 2) ||
+    // Initial arrow created on pointer down needs to not update the points
+    pointsEqual(
+      arrow.points[arrow.points.length - 1],
+      pointFrom<LocalPoint>(0, 0),
+    )
   ) {
     return null;
   }
 
-  const global = getGlobalFixedPointForBindableElement(
+  const focusPoint = getGlobalFixedPointForBindableElement(
     normalizeFixedPoint(binding.fixedPoint),
     bindableElement,
     elementsMap,
   );
-  const pointIndex =
-    startOrEnd === "startBinding" ? 0 : arrow.points.length - 1;
-  const elbowed = isElbowArrow(arrow);
-  const otherBinding =
-    startOrEnd === "startBinding" ? arrow.endBinding : arrow.startBinding;
-  const otherBindableElement =
-    otherBinding &&
-    (elementsMap.get(otherBinding.elementId)! as ExcalidrawBindableElement);
-  const bounds = getElementBounds(bindableElement, elementsMap);
-  const otherBounds =
-    otherBindableElement && getElementBounds(otherBindableElement, elementsMap);
-  const isLargerThanOther =
-    otherBindableElement &&
-    compareElementArea(bindableElement, otherBindableElement) <
-      // if both shapes the same size, pretend the other is larger
-      (startOrEnd === "endBinding" ? 1 : 0);
-  const isOverlapping = otherBounds && doBoundsIntersect(bounds, otherBounds);
 
-  // GOAL: If the arrow becomes too short, we want to jump the arrow endpoints
-  // to the exact focus points on the elements.
-  // INTUITION: We're not interested in the exacts length of the arrow (which
-  // will change if we change where we route it), we want to know the length of
-  // the part which lies outside of both shapes and consider that as a trigger
-  // to change where we point the arrow. Avoids jumping the arrow in and out
-  // at every frame.
-  let arrowTooShort = false;
-  if (
-    !isOverlapping &&
-    !elbowed &&
-    arrow.startBinding &&
-    arrow.endBinding &&
-    otherBindableElement &&
-    arrow.points.length === 2
-  ) {
-    const startFocusPoint = getGlobalFixedPointForBindableElement(
-      arrow.startBinding.fixedPoint,
-      startOrEnd === "startBinding" ? bindableElement : otherBindableElement,
-      elementsMap,
-    );
-    const endFocusPoint = getGlobalFixedPointForBindableElement(
-      arrow.endBinding.fixedPoint,
-      startOrEnd === "endBinding" ? bindableElement : otherBindableElement,
-      elementsMap,
-    );
-    const segment = lineSegment(startFocusPoint, endFocusPoint);
-    const startIntersection = intersectElementWithLineSegment(
-      startOrEnd === "endBinding" ? bindableElement : otherBindableElement,
-      elementsMap,
-      segment,
-      0,
-      true,
-    );
-    const endIntersection = intersectElementWithLineSegment(
-      startOrEnd === "startBinding" ? bindableElement : otherBindableElement,
-      elementsMap,
-      segment,
-      0,
-      true,
-    );
-    if (startIntersection.length > 0 && endIntersection.length > 0) {
-      const len = pointDistance(startIntersection[0], endIntersection[0]);
-      arrowTooShort = len < 40;
-    }
-  }
-
-  const isNested = (arrowTooShort || isOverlapping) && isLargerThanOther;
-
-  let _customIntersector = customIntersector;
-  if (!elbowed && !_customIntersector) {
-    const [x1, y1, x2, y2] = LinearElementEditor.getElementAbsoluteCoords(
+  // 0. Short-circuit for inside binding as it doesn't require any
+  // calculations and is not affected by other bindings
+  if (binding.mode === "inside") {
+    return LinearElementEditor.createPointAt(
       arrow,
       elementsMap,
-    );
-    const center = pointFrom<GlobalPoint>((x1 + x2) / 2, (y1 + y2) / 2);
-    const edgePoint = isRectanguloidElement(bindableElement)
-      ? avoidRectangularCorner(arrow, bindableElement, elementsMap, global)
-      : global;
-    const adjacentPoint = pointRotateRads(
-      pointFrom<GlobalPoint>(
-        arrow.x +
-          arrow.points[pointIndex === 0 ? 1 : arrow.points.length - 2][0],
-        arrow.y +
-          arrow.points[pointIndex === 0 ? 1 : arrow.points.length - 2][1],
-      ),
-      center,
-      arrow.angle as Radians,
-    );
-    const bindingGap = getBindingGap(bindableElement, arrow);
-    const halfVector = vectorScale(
-      vectorNormalize(vectorFromPoint(edgePoint, adjacentPoint)),
-      pointDistance(edgePoint, adjacentPoint) +
-        Math.max(bindableElement.width, bindableElement.height) +
-        bindingGap * 2,
-    );
-    _customIntersector = lineSegment(
-      pointFromVector(halfVector, adjacentPoint),
-      pointFromVector(vectorScale(halfVector, -1), adjacentPoint),
+      focusPoint[0],
+      focusPoint[1],
+      null,
     );
   }
 
-  const maybeOutlineGlobal =
-    binding.mode === "orbit" && bindableElement
-      ? isNested
-        ? global
-        : bindPointToSnapToElementOutline(
-            {
-              ...arrow,
-              points: [
-                pointIndex === 0
-                  ? LinearElementEditor.createPointAt(
-                      arrow,
-                      elementsMap,
-                      global[0],
-                      global[1],
-                      null,
-                    )
-                  : arrow.points[0],
-                ...arrow.points.slice(1, -1),
-                pointIndex === arrow.points.length - 1
-                  ? LinearElementEditor.createPointAt(
-                      arrow,
-                      elementsMap,
-                      global[0],
-                      global[1],
-                      null,
-                    )
-                  : arrow.points[arrow.points.length - 1],
-              ],
-            },
-            bindableElement,
-            pointIndex === 0 ? "start" : "end",
-            elementsMap,
-            _customIntersector,
-          )
-      : global;
+  const { element: otherBindable, focusPoint: otherFocusPoint } =
+    extractBinding(
+      arrow,
+      startOrEnd === "startBinding" ? "endBinding" : "startBinding",
+      elementsMap,
+    );
+  const otherArrowPoint = LinearElementEditor.getPointAtIndexGlobalCoordinates(
+    arrow,
+    startOrEnd === "startBinding" ? -1 : 0,
+    elementsMap,
+  );
+  const otherFocusPointOrArrowPoint = otherFocusPoint || otherArrowPoint;
+  const intersector =
+    otherFocusPointOrArrowPoint &&
+    lineSegment(focusPoint, otherFocusPointOrArrowPoint);
+  const otherOutlinePoint =
+    otherBindable &&
+    intersector &&
+    intersectElementWithLineSegment(
+      otherBindable,
+      elementsMap,
+      intersector,
+      getBindingGap(otherBindable, arrow),
+    ).sort(
+      (a, b) => pointDistanceSq(a, focusPoint) - pointDistanceSq(b, focusPoint),
+    )[0];
+  const outlinePoint =
+    intersector &&
+    intersectElementWithLineSegment(
+      bindableElement,
+      elementsMap,
+      intersector,
+      getBindingGap(bindableElement, arrow),
+    ).sort(
+      (a, b) =>
+        pointDistanceSq(a, otherFocusPointOrArrowPoint) -
+        pointDistanceSq(b, otherFocusPointOrArrowPoint),
+    )[0];
+  const startHasArrowhead = arrow.startArrowhead !== null;
+  const endHasArrowhead = arrow.endArrowhead !== null;
+  const resolvedTarget =
+    (!startHasArrowhead && !endHasArrowhead) ||
+    (startOrEnd === "startBinding" && startHasArrowhead) ||
+    (startOrEnd === "endBinding" && endHasArrowhead)
+      ? focusPoint
+      : outlinePoint || focusPoint;
 
+  // 1. Handle case when the outline point (or focus point) is inside
+  // the other shape by short-circuiting to the focus point, otherwise
+  // the arrow would invert
+  if (
+    otherBindable &&
+    outlinePoint &&
+    !dragging &&
+    // Arbitrary threshold to handle wireframing use cases
+    elementArea(otherBindable) < elementArea(bindableElement) * 2 &&
+    hitElementItself({
+      element: otherBindable,
+      point: outlinePoint,
+      elementsMap,
+      threshold: getBindingGap(otherBindable, arrow),
+      overrideShouldTestInside: true,
+    })
+  ) {
+    return LinearElementEditor.createPointAt(
+      arrow,
+      elementsMap,
+      resolvedTarget[0],
+      resolvedTarget[1],
+      null,
+    );
+  }
+
+  const otherTargetPoint = otherBindable
+    ? otherOutlinePoint || otherFocusPoint || otherArrowPoint
+    : otherArrowPoint;
+  const arrowTooShort =
+    pointDistance(otherTargetPoint, outlinePoint || focusPoint) <=
+    BASE_ARROW_MIN_LENGTH;
+
+  // 2. If the arrow is unconnected at the other end, just check arrow size
+  // and short-circuit to the focus point if the arrow is too short to
+  // avoid inversion
+  if (!otherBindable) {
+    return LinearElementEditor.createPointAt(
+      arrow,
+      elementsMap,
+      arrowTooShort ? focusPoint[0] : outlinePoint?.[0] ?? focusPoint[0],
+      arrowTooShort ? focusPoint[1] : outlinePoint?.[1] ?? focusPoint[1],
+      null,
+    );
+  }
+
+  // 3. If the arrow is too short while connected on both ends and
+  // the other arrow endpoint will not be inside the bindable, just
+  // check the arrow size and make a decision based on that
+  if (arrowTooShort) {
+    return LinearElementEditor.createPointAt(
+      arrow,
+      elementsMap,
+      resolvedTarget?.[0] || focusPoint[0],
+      resolvedTarget?.[1] || focusPoint[1],
+      null,
+    );
+  }
+
+  // 4. In the general case, snap to the outline if possible
   return LinearElementEditor.createPointAt(
     arrow,
     elementsMap,
-    maybeOutlineGlobal[0],
-    maybeOutlineGlobal[1],
+    outlinePoint?.[0] || focusPoint[0],
+    outlinePoint?.[1] || focusPoint[1],
     null,
   );
 };
@@ -1802,7 +1929,7 @@ export const calculateFixedPointForNonElbowArrowBinding = (
   elementsMap: ElementsMap,
   focusPoint?: GlobalPoint,
 ): { fixedPoint: FixedPoint } => {
-  const edgePoint = focusPoint
+  const edgePoint: GlobalPoint = focusPoint
     ? focusPoint
     : LinearElementEditor.getPointAtIndexGlobalCoordinates(
         linearElement,
@@ -1810,11 +1937,7 @@ export const calculateFixedPointForNonElbowArrowBinding = (
         elementsMap,
       );
 
-  // Convert the global point to element-local coordinates
-  const elementCenter = pointFrom(
-    hoveredElement.x + hoveredElement.width / 2,
-    hoveredElement.y + hoveredElement.height / 2,
-  );
+  const elementCenter = elementCenterPoint(hoveredElement, elementsMap);
 
   // Rotate the point to account for element rotation
   const nonRotatedPoint = pointRotateRads(

packages/element/src/bounds.ts

@@ -897,6 +897,7 @@ export const getArrowheadPoints = (
   return [x2, y2, x3, y3, x4, y4];
 };
 
+// TODO reuse shape.ts
 const generateLinearElementShape = (
   element: ExcalidrawLinearElement,
 ): Drawable => {
@@ -954,7 +955,7 @@ const getLinearElementRotatedBounds = (
   }
 
   // first element is always the curve
-  const cachedShape = ShapeCache.get(element)?.[0];
+  const cachedShape = ShapeCache.get(element, null)?.[0];
   const shape = cachedShape ?? generateLinearElementShape(element);
   const ops = getCurvePathOps(shape);
   const transformXY = ([x, y]: GlobalPoint) =>

packages/element/src/collision.ts

@@ -59,8 +59,11 @@ import { LinearElementEditor } from "./linearElementEditor";
 
 import { distanceToElement } from "./distance";
 
+import { getBindingGap } from "./binding";
+
 import type {
   ElementsMap,
+  ExcalidrawArrowElement,
   ExcalidrawBindableElement,
   ExcalidrawDiamondElement,
   ExcalidrawElement,
@@ -75,7 +78,12 @@ import type {
 } from "./types";
 
 export const shouldTestInside = (element: ExcalidrawElement) => {
-  if (element.type === "arrow") {
+  if (
+    element.type === "arrow" ||
+    // frame elements should ignore inside hit test even if background is not
+    // transparent, so we can select children easily
+    isFrameLikeElement(element)
+  ) {
     return false;
   }
 
@@ -105,6 +113,12 @@ export type HitTestArgs = {
   overrideShouldTestInside?: boolean;
 };
 
+let cachedPoint: GlobalPoint | null = null;
+let cachedElement: WeakRef<ExcalidrawElement> | null = null;
+let cachedThreshold: number = Infinity;
+let cachedHit: boolean = false;
+let cachedOverrideShouldTestInside = false;
+
 export const hitElementItself = ({
   point,
   element,
@@ -113,6 +127,24 @@ export const hitElementItself = ({
   frameNameBound = null,
   overrideShouldTestInside = false,
 }: HitTestArgs) => {
+  // Return cached result if the same point and element version is tested again
+  if (
+    cachedPoint &&
+    pointsEqual(point, cachedPoint) &&
+    cachedThreshold <= threshold &&
+    overrideShouldTestInside === cachedOverrideShouldTestInside
+  ) {
+    const derefElement = cachedElement?.deref();
+    if (
+      derefElement &&
+      derefElement.id === element.id &&
+      derefElement.version === element.version &&
+      derefElement.versionNonce === element.versionNonce
+    ) {
+      return cachedHit;
+    }
+  }
+
   // Hit test against a frame's name
   const hitFrameName = frameNameBound
     ? isPointWithinBounds(
@@ -153,7 +185,16 @@ export const hitElementItself = ({
       isPointOnElementOutline(point, element, elementsMap, threshold)
     : isPointOnElementOutline(point, element, elementsMap, threshold);
 
-  return hitElement || hitFrameName;
+  const result = hitElement || hitFrameName;
+
+  // Cache end result
+  cachedPoint = point;
+  cachedElement = new WeakRef(element);
+  cachedThreshold = threshold;
+  cachedOverrideShouldTestInside = overrideShouldTestInside;
+  cachedHit = result;
+
+  return result;
 };
 
 export const hitElementBoundingBox = (
@@ -257,7 +298,7 @@ export const getAllHoveredElementAtPoint = (
   point: Readonly<GlobalPoint>,
   elements: readonly Ordered<NonDeletedExcalidrawElement>[],
   elementsMap: NonDeletedSceneElementsMap,
-  toleranceFn?: (element: ExcalidrawBindableElement) => number,
+  tolerance?: number,
 ): NonDeleted<ExcalidrawBindableElement>[] => {
   const candidateElements: NonDeleted<ExcalidrawBindableElement>[] = [];
   // We need to to hit testing from front (end of the array) to back (beginning of the array)
@@ -273,7 +314,7 @@ export const getAllHoveredElementAtPoint = (
 
     if (
       isBindableElement(element, false) &&
-      bindingBorderTest(element, point, elementsMap, toleranceFn?.(element))
+      bindingBorderTest(element, point, elementsMap, tolerance)
     ) {
       candidateElements.push(element);
 
@@ -290,13 +331,13 @@ export const getHoveredElementForBinding = (
   point: Readonly<GlobalPoint>,
   elements: readonly Ordered<NonDeletedExcalidrawElement>[],
   elementsMap: NonDeletedSceneElementsMap,
-  toleranceFn?: (element: ExcalidrawBindableElement) => number,
+  tolerance?: number,
 ): NonDeleted<ExcalidrawBindableElement> | null => {
   const candidateElements = getAllHoveredElementAtPoint(
     point,
     elements,
     elementsMap,
-    toleranceFn,
+    tolerance,
   );
 
   if (!candidateElements || candidateElements.length === 0) {
@@ -315,6 +356,56 @@ export const getHoveredElementForBinding = (
     .pop() as NonDeleted<ExcalidrawBindableElement>;
 };
 
+export const getHoveredElementForFocusPoint = (
+  point: GlobalPoint,
+  arrow: ExcalidrawArrowElement,
+  elements: readonly Ordered<NonDeletedExcalidrawElement>[],
+  elementsMap: NonDeletedSceneElementsMap,
+  tolerance?: number,
+): ExcalidrawBindableElement | null => {
+  const candidateElements: NonDeleted<ExcalidrawBindableElement>[] = [];
+  // We need to to hit testing from front (end of the array) to back (beginning of the array)
+  // because array is ordered from lower z-index to highest and we want element z-index
+  // with higher z-index
+  for (let index = elements.length - 1; index >= 0; --index) {
+    const element = elements[index];
+
+    invariant(
+      !element.isDeleted,
+      "Elements in the function parameter for getAllElementsAtPositionForBinding() should not contain deleted elements",
+    );
+
+    if (
+      isBindableElement(element, false) &&
+      bindingBorderTest(element, point, elementsMap, tolerance)
+    ) {
+      candidateElements.push(element);
+    }
+  }
+
+  if (!candidateElements || candidateElements.length === 0) {
+    return null;
+  }
+
+  if (candidateElements.length === 1) {
+    return candidateElements[0];
+  }
+
+  const distanceFilteredCandidateElements = candidateElements
+    // Resolve by distance
+    .filter(
+      (el) =>
+        distanceToElement(el, elementsMap, point) <= getBindingGap(el, arrow) ||
+        isPointInElement(point, el, elementsMap),
+    );
+
+  if (distanceFilteredCandidateElements.length === 0) {
+    return null;
+  }
+
+  return distanceFilteredCandidateElements[0] as NonDeleted<ExcalidrawBindableElement>;
+};
+
 /**
  * Intersect a line with an element for binding test
  *

packages/element/src/distribute.ts

@@ -1,10 +1,12 @@
 import type { AppState } from "@excalidraw/excalidraw/types";
 
+import { updateBoundElements } from "./binding";
 import { getCommonBoundingBox } from "./bounds";
-import { newElementWith } from "./mutateElement";
 
 import { getSelectedElementsByGroup } from "./groups";
 
+import type { Scene } from "./Scene";
+
 import type { ElementsMap, ExcalidrawElement } from "./types";
 
 export interface Distribution {
@@ -17,6 +19,7 @@ export const distributeElements = (
   elementsMap: ElementsMap,
   distribution: Distribution,
   appState: Readonly<AppState>,
+  scene: Scene,
 ): ExcalidrawElement[] => {
   const [start, mid, end, extent] =
     distribution.axis === "x"
@@ -66,12 +69,16 @@ export const distributeElements = (
         translation[distribution.axis] = pos - box[mid];
       }
 
-      return group.map((element) =>
-        newElementWith(element, {
+      return group.map((element) => {
+        const updatedElement = scene.mutateElement(element, {
           x: element.x + translation.x,
           y: element.y + translation.y,
-        }),
-      );
+        });
+        updateBoundElements(element, scene, {
+          simultaneouslyUpdated: group,
+        });
+        return updatedElement;
+      });
     });
   }
 
@@ -90,11 +97,15 @@ export const distributeElements = (
     pos += step;
     pos += box[extent];
 
-    return group.map((element) =>
-      newElementWith(element, {
+    return group.map((element) => {
+      const updatedElement = scene.mutateElement(element, {
         x: element.x + translation.x,
         y: element.y + translation.y,
-      }),
-    );
+      });
+      updateBoundElements(element, scene, {
+        simultaneouslyUpdated: group,
+      });
+      return updatedElement;
+    });
   });
 };

packages/element/src/elbowArrow.ts

@@ -2276,7 +2276,7 @@ const getHoveredElement = (
     origPoint,
     elements,
     elementsMap,
-    (element) => maxBindingDistance_simple(zoom),
+    maxBindingDistance_simple(zoom),
   );
 };
 

packages/element/src/embeddable.ts

@@ -56,7 +56,7 @@ const RE_REDDIT =
 const RE_REDDIT_EMBED =
   /^<blockquote[\s\S]*?\shref=["'](https?:\/\/(?:www\.)?reddit\.com\/[^"']*)/i;
 
-const parseYouTubeTimestamp = (url: string): number => {
+const parseYouTubeLikeTimestamp = (url: string): number => {
   let timeParam: string | null | undefined;
 
   try {
@@ -85,11 +85,57 @@ const parseYouTubeTimestamp = (url: string): number => {
   return parseInt(hours) * 3600 + parseInt(minutes) * 60 + parseInt(seconds);
 };
 
+const parseGoogleDriveVideoLink = (
+  url: string,
+): { fileId: string; resourceKey?: string; timestamp?: number } | null => {
+  try {
+    const urlObj = new URL(url.startsWith("http") ? url : `https://${url}`);
+    const hostname = urlObj.hostname.replace(/^www\./, "");
+    if (hostname !== "drive.google.com") {
+      return null;
+    }
+
+    let fileId: string | null = null;
+    const pathMatch = urlObj.pathname.match(/^\/file\/d\/([^/]+)(?:\/|$)/);
+    if (pathMatch?.[1]) {
+      fileId = pathMatch[1];
+    } else if (urlObj.pathname === "/open" || urlObj.pathname === "/uc") {
+      // Shared Drive links can be emitted as:
+      // - /open?id=<fileId> (common "open in Drive" format)
+      // - /uc?...&id=<fileId> (download/export endpoint often seen in copied links)
+      fileId = urlObj.searchParams.get("id");
+    }
+
+    if (!fileId || !/^[a-zA-Z0-9_-]+$/.test(fileId)) {
+      return null;
+    }
+
+    // Some Drive share links include `resourcekey` for access to link-shared
+    // files; preserve it in the preview URL so embeds keep working.
+    const resourceKey = urlObj.searchParams.get("resourcekey");
+    const timestamp = parseYouTubeLikeTimestamp(urlObj.toString());
+
+    return {
+      fileId,
+      resourceKey:
+        resourceKey && /^[a-zA-Z0-9_-]+$/.test(resourceKey)
+          ? resourceKey
+          : undefined,
+      // Drive accepts YouTube-like `t` formats (e.g. `t=90`, `t=1m30s`);
+      // normalize to seconds for a stable preview URL.
+      timestamp: timestamp > 0 ? timestamp : undefined,
+    };
+  } catch (error) {
+    return null;
+  }
+};
+
 const ALLOWED_DOMAINS = new Set([
   "youtube.com",
   "youtu.be",
   "vimeo.com",
   "player.vimeo.com",
+  "drive.google.com",
   "figma.com",
   "link.excalidraw.com",
   "gist.github.com",
@@ -108,6 +154,7 @@ const ALLOW_SAME_ORIGIN = new Set([
   "youtu.be",
   "vimeo.com",
   "player.vimeo.com",
+  "drive.google.com",
   "figma.com",
   "twitter.com",
   "x.com",
@@ -142,7 +189,7 @@ export const getEmbedLink = (
   let aspectRatio = { w: 560, h: 840 };
   const ytLink = link.match(RE_YOUTUBE);
   if (ytLink?.[2]) {
-    const startTime = parseYouTubeTimestamp(originalLink);
+    const startTime = parseYouTubeLikeTimestamp(originalLink);
     const time = startTime > 0 ? `&start=${startTime}` : ``;
     const isPortrait = link.includes("shorts");
     type = "video";
@@ -201,6 +248,36 @@ export const getEmbedLink = (
     };
   }
 
+  const googleDriveVideo = parseGoogleDriveVideoLink(link);
+  if (googleDriveVideo) {
+    type = "video";
+    const searchParams = new URLSearchParams();
+    if (googleDriveVideo.resourceKey) {
+      searchParams.set("resourcekey", googleDriveVideo.resourceKey);
+    }
+    if (googleDriveVideo.timestamp) {
+      searchParams.set("t", `${googleDriveVideo.timestamp}`);
+    }
+
+    const search = searchParams.toString();
+    link = `https://drive.google.com/file/d/${googleDriveVideo.fileId}/preview${
+      search ? `?${search}` : ""
+    }`;
+    aspectRatio = { w: 560, h: 315 };
+    embeddedLinkCache.set(originalLink, {
+      link,
+      intrinsicSize: aspectRatio,
+      type,
+      sandbox: { allowSameOrigin },
+    });
+    return {
+      link,
+      intrinsicSize: aspectRatio,
+      type,
+      sandbox: { allowSameOrigin },
+    };
+  }
+
   const figmaLink = link.match(RE_FIGMA);
   if (figmaLink) {
     type = "generic";

packages/element/src/index.ts

@@ -70,6 +70,7 @@ export * from "./elbowArrow";
 export * from "./elementLink";
 export * from "./embeddable";
 export * from "./flowchart";
+export * from "./arrows/focus";
 export * from "./fractionalIndex";
 export * from "./frame";
 export * from "./groups";
@@ -82,6 +83,7 @@ export * from "./positionElementsOnGrid";
 export * from "./renderElement";
 export * from "./resizeElements";
 export * from "./resizeTest";
+export * from "./schema";
 export * from "./Scene";
 export * from "./selection";
 export * from "./shape";
@@ -97,3 +99,4 @@ export * from "./transformHandles";
 export * from "./typeChecks";
 export * from "./utils";
 export * from "./zindex";
+export * from "./arrows/helpers";

packages/element/src/linearElementEditor.ts

@@ -9,7 +9,6 @@ import {
   vectorFromPoint,
   curveLength,
   curvePointAtLength,
-  lineSegment,
 } from "@excalidraw/math";
 
 import { getCurvePathOps } from "@excalidraw/utils/shape";
@@ -26,6 +25,7 @@ import {
 
 import {
   deconstructLinearOrFreeDrawElement,
+  getSnapOutlineMidPoint,
   isPathALoop,
   moveArrowAboveBindable,
   projectFixedPointOntoDiagonal,
@@ -48,6 +48,7 @@ import {
   calculateFixedPointForNonElbowArrowBinding,
   getBindingStrategyForDraggingBindingElementEndpoints,
   isBindingEnabled,
+  snapToMid,
   updateBoundPoint,
 } from "./binding";
 import {
@@ -149,6 +150,8 @@ export class LinearElementEditor {
   public readonly pointerOffset: Readonly<{ x: number; y: number }>;
   public readonly hoverPointIndex: number;
   public readonly segmentMidPointHoveredCoords: GlobalPoint | null;
+  public readonly hoveredFocusPointBinding: "start" | "end" | null;
+  public readonly draggedFocusPointBinding: "start" | "end" | null;
   public readonly elbowed: boolean;
   public readonly customLineAngle: number | null;
   public readonly isEditing: boolean;
@@ -194,6 +197,8 @@ export class LinearElementEditor {
     };
     this.hoverPointIndex = -1;
     this.segmentMidPointHoveredCoords = null;
+    this.hoveredFocusPointBinding = null;
+    this.draggedFocusPointBinding = null;
     this.elbowed = isElbowArrow(element) && element.elbowed;
     this.customLineAngle = null;
     this.isEditing = isEditing;
@@ -351,6 +356,7 @@ export class LinearElementEditor {
       app,
       shouldRotateWithDiscreteAngle(event),
       event.altKey,
+      linearElementEditor,
     );
 
     LinearElementEditor.movePoints(element, app.scene, positions, {
@@ -404,13 +410,14 @@ export class LinearElementEditor {
         altFocusPoint:
           !linearElementEditor.initialState.altFocusPoint &&
           startBindingElement &&
-          updates?.suggestedBinding?.id !== startBindingElement.id
+          updates?.suggestedBinding?.element.id !== startBindingElement.id
             ? projectFixedPointOntoDiagonal(
                 element,
                 pointFrom<GlobalPoint>(element.x, element.y),
                 startBindingElement,
                 "start",
                 elementsMap,
+                app.state.zoom,
               )
             : linearElementEditor.initialState.altFocusPoint,
       },
@@ -528,6 +535,7 @@ export class LinearElementEditor {
       app,
       shouldRotateWithDiscreteAngle(event) && singlePointDragged,
       event.altKey,
+      linearElementEditor,
     );
 
     LinearElementEditor.movePoints(element, app.scene, positions, {
@@ -603,11 +611,11 @@ export class LinearElementEditor {
     const altFocusPointBindableElement =
       endIsSelected && // The "other" end (i.e. "end") is dragged
       startBindingElement &&
-      updates?.suggestedBinding?.id !== startBindingElement.id // The end point is not hovering the start bindable + it's binding gap
+      updates?.suggestedBinding?.element.id !== startBindingElement.id // The end point is not hovering the start bindable + it's binding gap
         ? startBindingElement
         : startIsSelected && // The "other" end (i.e. "start") is dragged
           endBindingElement &&
-          updates?.suggestedBinding?.id !== endBindingElement.id // The start point is not hovering the end bindable + it's binding gap
+          updates?.suggestedBinding?.element.id !== endBindingElement.id // The start point is not hovering the end bindable + it's binding gap
         ? endBindingElement
         : null;
 
@@ -627,6 +635,7 @@ export class LinearElementEditor {
                 altFocusPointBindableElement,
                 "start",
                 elementsMap,
+                app.state.zoom,
               )
             : linearElementEditor.initialState.altFocusPoint,
       },
@@ -724,7 +733,6 @@ export class LinearElementEditor {
           ? [pointerDownState.lastClickedPoint]
           : selectedPointsIndices,
       isDragging: false,
-      pointerOffset: { x: 0, y: 0 },
       customLineAngle: null,
       initialState: {
         ...editingLinearElement.initialState,
@@ -2077,6 +2085,7 @@ const pointDraggingUpdates = (
   app: AppClassProperties,
   angleLocked: boolean,
   altKey: boolean,
+  linearElementEditor: LinearElementEditor,
 ): {
   positions: PointsPositionUpdates;
   updates?: PointMoveOtherUpdates;
@@ -2124,18 +2133,89 @@ const pointDraggingUpdates = (
   );
 
   if (isElbowArrow(element)) {
+    const suggestedBindingElement = startIsDragged
+      ? start.element
+      : endIsDragged
+      ? end.element
+      : null;
+
     return {
       positions: naiveDraggingPoints,
       updates: {
-        suggestedBinding: startIsDragged
-          ? start.element
-          : endIsDragged
-          ? end.element
+        suggestedBinding: suggestedBindingElement
+          ? {
+              element: suggestedBindingElement,
+              midPoint: snapToMid(
+                suggestedBindingElement,
+                elementsMap,
+                pointFrom<GlobalPoint>(
+                  scenePointerX - linearElementEditor.pointerOffset.x,
+                  scenePointerY - linearElementEditor.pointerOffset.y,
+                ),
+              ),
+            }
           : null,
       },
     };
   }
 
+  // Handle the case where neither endpoint is being dragged
+  // but we need to update bound endpoints
+  if (!startIsDragged && !endIsDragged) {
+    const nextArrow = {
+      ...element,
+      points: element.points.map((p, idx) => {
+        return naiveDraggingPoints.get(idx)?.point ?? p;
+      }),
+    };
+    const positions = new Map(naiveDraggingPoints);
+
+    if (element.startBinding) {
+      const startBindable = elementsMap.get(element.startBinding.elementId) as
+        | ExcalidrawBindableElement
+        | undefined;
+      if (startBindable) {
+        const startPoint =
+          updateBoundPoint(
+            nextArrow,
+            "startBinding",
+            element.startBinding,
+            startBindable,
+            elementsMap,
+          ) ?? null;
+        if (startPoint) {
+          positions.set(0, { point: startPoint, isDragging: true });
+        }
+      }
+    }
+
+    if (element.endBinding) {
+      const endBindable = elementsMap.get(element.endBinding.elementId) as
+        | ExcalidrawBindableElement
+        | undefined;
+      if (endBindable) {
+        const endPoint =
+          updateBoundPoint(
+            nextArrow,
+            "endBinding",
+            element.endBinding,
+            endBindable,
+            elementsMap,
+          ) ?? null;
+        if (endPoint) {
+          positions.set(element.points.length - 1, {
+            point: endPoint,
+            isDragging: true,
+          });
+        }
+      }
+    }
+
+    return {
+      positions,
+    };
+  }
+
   if (startIsDragged === endIsDragged) {
     return {
       positions: naiveDraggingPoints,
@@ -2166,7 +2246,20 @@ const pointDraggingUpdates = (
       (updates.startBinding.mode === "orbit" ||
         !getFeatureFlag("COMPLEX_BINDINGS"))
     ) {
-      updates.suggestedBinding = start.element;
+      updates.suggestedBinding = start.element
+        ? {
+            element: start.element,
+            midPoint: getSnapOutlineMidPoint(
+              pointFrom<GlobalPoint>(
+                scenePointerX - linearElementEditor.pointerOffset.x,
+                scenePointerY - linearElementEditor.pointerOffset.y,
+              ),
+              start.element,
+              elementsMap,
+              app.state.zoom,
+            ),
+          }
+        : null;
     }
   } else if (startIsDragged) {
     updates.suggestedBinding = app.state.suggestedBinding;
@@ -2192,7 +2285,20 @@ const pointDraggingUpdates = (
       (updates.endBinding.mode === "orbit" ||
         !getFeatureFlag("COMPLEX_BINDINGS"))
     ) {
-      updates.suggestedBinding = end.element;
+      updates.suggestedBinding = end.element
+        ? {
+            element: end.element,
+            midPoint: getSnapOutlineMidPoint(
+              pointFrom<GlobalPoint>(
+                scenePointerX - linearElementEditor.pointerOffset.x,
+                scenePointerY - linearElementEditor.pointerOffset.y,
+              ),
+              end.element,
+              elementsMap,
+              app.state.zoom,
+            ),
+          }
+        : null;
     }
   } else if (endIsDragged) {
     updates.suggestedBinding = app.state.suggestedBinding;
@@ -2232,19 +2338,6 @@ const pointDraggingUpdates = (
         : updates.endBinding,
   };
 
-  // We need to use a custom intersector to ensure that if there is a big "jump"
-  // in the arrow's position, we can position it with outline avoidance
-  // pixel-perfectly and avoid "dancing" arrows.
-  // NOTE: Direction matters here, so we create two intersectors
-  const startCustomIntersector =
-    start.focusPoint && end.focusPoint
-      ? lineSegment(start.focusPoint, end.focusPoint)
-      : undefined;
-  const endCustomIntersector =
-    start.focusPoint && end.focusPoint
-      ? lineSegment(end.focusPoint, start.focusPoint)
-      : undefined;
-
   // Needed to handle a special case where an existing arrow is dragged over
   // the same element it is bound to on the other side
   const startIsDraggingOverEndElement =
@@ -2280,7 +2373,7 @@ const pointDraggingUpdates = (
         nextArrow.endBinding,
         endBindable,
         elementsMap,
-        endCustomIntersector,
+        endIsDragged,
       ) || nextArrow.points[nextArrow.points.length - 1]
     : nextArrow.points[nextArrow.points.length - 1];
 
@@ -2303,7 +2396,7 @@ const pointDraggingUpdates = (
       : startIsDraggingOverEndElement &&
         app.state.bindMode !== "inside" &&
         getFeatureFlag("COMPLEX_BINDINGS")
-      ? nextArrow.points[nextArrow.points.length - 1]
+      ? endLocalPoint
       : startBindable
       ? updateBoundPoint(
           element,
@@ -2311,15 +2404,18 @@ const pointDraggingUpdates = (
           nextArrow.startBinding,
           startBindable,
           elementsMap,
-          startCustomIntersector,
+          startIsDragged,
         ) || nextArrow.points[0]
       : nextArrow.points[0];
 
   const endChanged =
-    pointDistance(
-      endLocalPoint,
-      nextArrow.points[nextArrow.points.length - 1],
-    ) !== 0;
+    !startIsDraggingOverEndElement &&
+    !(
+      endIsDraggingOverStartElement &&
+      app.state.bindMode !== "inside" &&
+      getFeatureFlag("COMPLEX_BINDINGS")
+    ) &&
+    !!endBindable;
   const startChanged =
     pointDistance(startLocalPoint, nextArrow.points[0]) !== 0;
 
@@ -2333,13 +2429,7 @@ const pointDraggingUpdates = (
   const indices = Array.from(indicesSet);
 
   return {
-    updates:
-      updates.startBinding || updates.suggestedBinding
-        ? {
-            startBinding: updates.startBinding,
-            suggestedBinding: updates.suggestedBinding,
-          }
-        : undefined,
+    updates,
     positions: new Map(
       indices.map((idx) => {
         return [

packages/element/src/mutateElement.ts

@@ -11,6 +11,7 @@ import type { Mutable } from "@excalidraw/common/utility-types";
 import { ShapeCache } from "./shape";
 
 import { updateElbowArrowPoints } from "./elbowArrow";
+import { ensureSchemaStateForElementType } from "./schema";
 
 import { isElbowArrow } from "./typeChecks";
 
@@ -137,6 +138,10 @@ export const mutateElement = <TElement extends Mutable<ExcalidrawElement>>(
   element.version = updates.version ?? element.version + 1;
   element.versionNonce = updates.versionNonce ?? randomInteger();
   element.updated = getUpdatedTimestamp();
+  element.schemaState = ensureSchemaStateForElementType(
+    element.schemaState,
+    element.type,
+  ) as TElement["schemaState"];
 
   return element;
 };
@@ -166,13 +171,21 @@ export const newElementWith = <TElement extends ExcalidrawElement>(
     return element;
   }
 
-  return {
+  const updatedElement = {
     ...element,
     ...updates,
     version: updates.version ?? element.version + 1,
     versionNonce: updates.versionNonce ?? randomInteger(),
     updated: getUpdatedTimestamp(),
   };
+
+  return {
+    ...updatedElement,
+    schemaState: ensureSchemaStateForElementType(
+      updatedElement.schemaState,
+      updatedElement.type,
+    ),
+  };
 };
 
 /**

packages/element/src/newElement.ts

@@ -20,6 +20,7 @@ import {
   getElementAbsoluteCoords,
   getResizedElementAbsoluteCoords,
 } from "./bounds";
+import { ensureSchemaStateForElementType } from "./schema";
 import { newElementWith } from "./mutateElement";
 import { getBoundTextMaxWidth } from "./textElement";
 import { normalizeText, measureText } from "./textMeasurements";
@@ -70,6 +71,7 @@ export type ElementConstructorOpts = MarkOptional<
   | "roughness"
   | "strokeWidth"
   | "roundness"
+  | "schemaState"
   | "locked"
   | "opacity"
   | "customData"
@@ -144,6 +146,7 @@ const _newElementBase = <T extends ExcalidrawElement>(
     roundness,
     seed: rest.seed ?? randomInteger(),
     version: rest.version || 1,
+    schemaState: ensureSchemaStateForElementType(rest.schemaState, type),
     versionNonce: rest.versionNonce ?? 0,
     isDeleted: false as false,
     boundElements,

packages/element/src/renderElement.ts

@@ -1,5 +1,4 @@
 import rough from "roughjs/bin/rough";
-import { getStroke } from "perfect-freehand";
 
 import {
   type GlobalPoint,
@@ -15,6 +14,7 @@ import {
   DEFAULT_REDUCED_GLOBAL_ALPHA,
   ELEMENT_READY_TO_ERASE_OPACITY,
   FRAME_STYLE,
+  DARK_THEME_FILTER,
   MIME_TYPES,
   THEME,
   distance,
@@ -22,6 +22,9 @@ import {
   isRTL,
   getVerticalOffset,
   invariant,
+  isTransparent,
+  applyDarkModeFilter,
+  isSafari,
 } from "@excalidraw/common";
 
 import type {
@@ -76,18 +79,11 @@ import type {
   ExcalidrawFrameLikeElement,
   NonDeletedSceneElementsMap,
   ElementsMap,
+  ExcalidrawFrameElement,
 } from "./types";
 
-import type { StrokeOptions } from "perfect-freehand";
 import type { RoughCanvas } from "roughjs/bin/canvas";
 
-// using a stronger invert (100% vs our regular 93%) and saturate
-// as a temp hack to make images in dark theme look closer to original
-// color scheme (it's still not quite there and the colors look slightly
-// desatured, alas...)
-export const IMAGE_INVERT_FILTER =
-  "invert(100%) hue-rotate(180deg) saturate(1.25)";
-
 const isPendingImageElement = (
   element: ExcalidrawElement,
   renderConfig: StaticCanvasRenderConfig,
@@ -95,19 +91,6 @@ const isPendingImageElement = (
   isInitializedImageElement(element) &&
   !renderConfig.imageCache.has(element.fileId);
 
-const shouldResetImageFilter = (
-  element: ExcalidrawElement,
-  renderConfig: StaticCanvasRenderConfig,
-  appState: StaticCanvasAppState | InteractiveCanvasAppState,
-) => {
-  return (
-    appState.theme === THEME.DARK &&
-    isInitializedImageElement(element) &&
-    !isPendingImageElement(element, renderConfig) &&
-    renderConfig.imageCache.get(element.fileId)?.mimeType !== MIME_TYPES.svg
-  );
-};
-
 const getCanvasPadding = (element: ExcalidrawElement) => {
   switch (element.type) {
     case "freedraw":
@@ -272,11 +255,6 @@ const generateElementCanvas = (
 
   const rc = rough.canvas(canvas);
 
-  // in dark theme, revert the image color filter
-  if (shouldResetImageFilter(element, renderConfig, appState)) {
-    context.filter = IMAGE_INVERT_FILTER;
-  }
-
   drawElementOnCanvas(element, rc, context, renderConfig);
 
   context.restore();
@@ -385,8 +363,9 @@ IMAGE_ERROR_PLACEHOLDER_IMG.src = `data:${MIME_TYPES.svg},${encodeURIComponent(
 const drawImagePlaceholder = (
   element: ExcalidrawImageElement,
   context: CanvasRenderingContext2D,
+  theme: StaticCanvasRenderConfig["theme"],
 ) => {
-  context.fillStyle = "#E7E7E7";
+  context.fillStyle = theme === THEME.DARK ? "#2E2E2E" : "#E7E7E7";
   context.fillRect(0, 0, element.width, element.height);
 
   const imageMinWidthOrHeight = Math.min(element.width, element.height);
@@ -421,7 +400,8 @@ const drawElementOnCanvas = (
     case "ellipse": {
       context.lineJoin = "round";
       context.lineCap = "round";
-      rc.draw(ShapeCache.get(element)!);
+
+      rc.draw(ShapeCache.generateElementShape(element, renderConfig));
       break;
     }
     case "arrow":
@@ -429,33 +409,44 @@ const drawElementOnCanvas = (
       context.lineJoin = "round";
       context.lineCap = "round";
 
-      ShapeCache.get(element)!.forEach((shape) => {
-        rc.draw(shape);
-      });
+      ShapeCache.generateElementShape(element, renderConfig).forEach(
+        (shape) => {
+          rc.draw(shape);
+        },
+      );
       break;
     }
     case "freedraw": {
       // Draw directly to canvas
       context.save();
-      context.fillStyle = element.strokeColor;
 
-      const path = getFreeDrawPath2D(element) as Path2D;
-      const fillShape = ShapeCache.get(element);
+      const shapes = ShapeCache.generateElementShape(element, renderConfig);
 
-      if (fillShape) {
-        rc.draw(fillShape);
+      for (const shape of shapes) {
+        if (typeof shape === "string") {
+          context.fillStyle =
+            renderConfig.theme === THEME.DARK
+              ? applyDarkModeFilter(element.strokeColor)
+              : element.strokeColor;
+          context.fill(new Path2D(shape));
+        } else {
+          rc.draw(shape);
+        }
       }
 
-      context.fillStyle = element.strokeColor;
-      context.fill(path);
-
       context.restore();
       break;
     }
     case "image": {
+      context.save();
+      const cacheEntry =
+        element.fileId !== null
+          ? renderConfig.imageCache.get(element.fileId)
+          : null;
       const img = isInitializedImageElement(element)
-        ? renderConfig.imageCache.get(element.fileId)?.image
+        ? cacheEntry?.image
         : undefined;
+
       if (img != null && !(img instanceof Promise)) {
         if (element.roundness && context.roundRect) {
           context.beginPath();
@@ -478,20 +469,80 @@ const drawElementOnCanvas = (
               height: img.naturalHeight,
             };
 
-        context.drawImage(
-          img,
-          x,
-          y,
-          width,
-          height,
-          0 /* hardcoded for the selection box*/,
-          0,
-          element.width,
-          element.height,
-        );
+        const shouldInvertImage =
+          renderConfig.theme === THEME.DARK &&
+          cacheEntry?.mimeType === MIME_TYPES.svg;
+
+        if (shouldInvertImage && isSafari) {
+          const devicePixelRatio = window.devicePixelRatio || 1;
+          const tempCanvas = document.createElement("canvas");
+          tempCanvas.width = element.width * devicePixelRatio;
+          tempCanvas.height = element.height * devicePixelRatio;
+          const tempContext = tempCanvas.getContext("2d");
+
+          if (tempContext) {
+            tempContext.scale(devicePixelRatio, devicePixelRatio);
+            tempContext.drawImage(
+              img,
+              x,
+              y,
+              width,
+              height,
+              0,
+              0,
+              element.width,
+              element.height,
+            );
+
+            const imageData = tempContext.getImageData(
+              0,
+              0,
+              tempCanvas.width,
+              tempCanvas.height,
+            );
+
+            const data = imageData.data;
+
+            for (let i = 0; i < data.length; i += 4) {
+              data[i] = 255 - data[i];
+              data[i + 1] = 255 - data[i + 1];
+              data[i + 2] = 255 - data[i + 2];
+            }
+
+            tempContext.putImageData(imageData, 0, 0);
+            context.drawImage(
+              tempCanvas,
+              0,
+              0,
+              tempCanvas.width,
+              tempCanvas.height,
+              0,
+              0,
+              element.width,
+              element.height,
+            );
+          }
+        } else {
+          if (shouldInvertImage) {
+            context.filter = DARK_THEME_FILTER;
+          }
+
+          context.drawImage(
+            img,
+            x,
+            y,
+            width,
+            height,
+            0 /* hardcoded for the selection box*/,
+            0,
+            element.width,
+            element.height,
+          );
+        }
       } else {
-        drawImagePlaceholder(element, context);
+        drawImagePlaceholder(element, context, renderConfig.theme);
       }
+      context.restore();
       break;
     }
     default: {
@@ -506,7 +557,10 @@ const drawElementOnCanvas = (
         context.canvas.setAttribute("dir", rtl ? "rtl" : "ltr");
         context.save();
         context.font = getFontString(element);
-        context.fillStyle = element.strokeColor;
+        context.fillStyle =
+          renderConfig.theme === THEME.DARK
+            ? applyDarkModeFilter(element.strokeColor)
+            : element.strokeColor;
         context.textAlign = element.textAlign as CanvasTextAlign;
 
         // Canvas does not support multiline text by default
@@ -725,6 +779,45 @@ export const renderSelectionElement = (
   context.restore();
 };
 
+export const renderFrameBackground = (
+  frame: ExcalidrawFrameElement,
+  context: CanvasRenderingContext2D,
+  appState: StaticCanvasAppState | InteractiveCanvasAppState,
+  opts?: {
+    roundCorners?: boolean;
+  },
+) => {
+  if (isTransparent(frame.backgroundColor)) {
+    return;
+  }
+
+  context.save();
+  context.translate(frame.x + appState.scrollX, frame.y + appState.scrollY);
+  context.fillStyle =
+    appState.theme === THEME.DARK
+      ? applyDarkModeFilter(frame.backgroundColor)
+      : frame.backgroundColor;
+
+  const shouldRoundCorners = opts?.roundCorners ?? true;
+
+  if (shouldRoundCorners && FRAME_STYLE.radius && context.roundRect) {
+    context.beginPath();
+    context.roundRect(
+      0,
+      0,
+      frame.width,
+      frame.height,
+      FRAME_STYLE.radius / appState.zoom.value,
+    );
+    context.fill();
+    context.closePath();
+  } else {
+    context.fillRect(0, 0, frame.width, frame.height);
+  }
+
+  context.restore();
+};
+
 export const renderElement = (
   element: NonDeletedExcalidrawElement,
   elementsMap: RenderableElementsMap,
@@ -756,15 +849,19 @@ export const renderElement = (
           element.x + appState.scrollX,
           element.y + appState.scrollY,
         );
-        context.fillStyle = "rgba(0, 0, 200, 0.04)";
 
         context.lineWidth = FRAME_STYLE.strokeWidth / appState.zoom.value;
-        context.strokeStyle = FRAME_STYLE.strokeColor;
+        context.strokeStyle =
+          appState.theme === THEME.DARK
+            ? applyDarkModeFilter(FRAME_STYLE.strokeColor)
+            : FRAME_STYLE.strokeColor;
 
         // TODO change later to only affect AI frames
         if (isMagicFrameElement(element)) {
           context.strokeStyle =
-            appState.theme === THEME.LIGHT ? "#7affd7" : "#1d8264";
+            appState.theme === THEME.LIGHT
+              ? "#7affd7"
+              : applyDarkModeFilter("#1d8264");
         }
 
         if (FRAME_STYLE.radius && context.roundRect) {
@@ -787,11 +884,6 @@ export const renderElement = (
       break;
     }
     case "freedraw": {
-      // TODO investigate if we can do this in situ. Right now we need to call
-      // beforehand because math helpers (such as getElementAbsoluteCoords)
-      // rely on existing shapes
-      ShapeCache.generateElementShape(element, null);
-
       if (renderConfig.isExporting) {
         const [x1, y1, x2, y2] = getElementAbsoluteCoords(element, elementsMap);
         const cx = (x1 + x2) / 2 + appState.scrollX;
@@ -835,10 +927,6 @@ export const renderElement = (
     case "text":
     case "iframe":
     case "embeddable": {
-      // TODO investigate if we can do this in situ. Right now we need to call
-      // beforehand because math helpers (such as getElementAbsoluteCoords)
-      // rely on existing shapes
-      ShapeCache.generateElementShape(element, renderConfig);
       if (renderConfig.isExporting) {
         const [x1, y1, x2, y2] = getElementAbsoluteCoords(element, elementsMap);
         const cx = (x1 + x2) / 2 + appState.scrollX;
@@ -861,9 +949,6 @@ export const renderElement = (
         context.save();
         context.translate(cx, cy);
 
-        if (shouldResetImageFilter(element, renderConfig, appState)) {
-          context.filter = "none";
-        }
         const boundTextElement = getBoundTextElement(element, elementsMap);
 
         if (isArrowElement(element) && boundTextElement) {
@@ -1026,23 +1111,6 @@ export const renderElement = (
   context.globalAlpha = 1;
 };
 
-export const pathsCache = new WeakMap<ExcalidrawFreeDrawElement, Path2D>([]);
-
-export function generateFreeDrawShape(element: ExcalidrawFreeDrawElement) {
-  const svgPathData = getFreeDrawSvgPath(element);
-  const path = new Path2D(svgPathData);
-  pathsCache.set(element, path);
-  return path;
-}
-
-export function getFreeDrawPath2D(element: ExcalidrawFreeDrawElement) {
-  return pathsCache.get(element);
-}
-
-export function getFreeDrawSvgPath(element: ExcalidrawFreeDrawElement) {
-  return getSvgPathFromStroke(getFreedrawOutlinePoints(element));
-}
-
 export function getFreedrawOutlineAsSegments(
   element: ExcalidrawFreeDrawElement,
   points: [number, number][],
@@ -1098,57 +1166,3 @@ export function getFreedrawOutlineAsSegments(
     ],
   );
 }
-
-export function getFreedrawOutlinePoints(element: ExcalidrawFreeDrawElement) {
-  // If input points are empty (should they ever be?) return a dot
-  const inputPoints = element.simulatePressure
-    ? element.points
-    : element.points.length
-    ? element.points.map(([x, y], i) => [x, y, element.pressures[i]])
-    : [[0, 0, 0.5]];
-
-  // Consider changing the options for simulated pressure vs real pressure
-  const options: StrokeOptions = {
-    simulatePressure: element.simulatePressure,
-    size: element.strokeWidth * 4.25,
-    thinning: 0.6,
-    smoothing: 0.5,
-    streamline: 0.5,
-    easing: (t) => Math.sin((t * Math.PI) / 2), // https://easings.net/#easeOutSine
-    last: true,
-  };
-
-  return getStroke(inputPoints as number[][], options) as [number, number][];
-}
-
-function med(A: number[], B: number[]) {
-  return [(A[0] + B[0]) / 2, (A[1] + B[1]) / 2];
-}
-
-// Trim SVG path data so number are each two decimal points. This
-// improves SVG exports, and prevents rendering errors on points
-// with long decimals.
-const TO_FIXED_PRECISION = /(\s?[A-Z]?,?-?[0-9]*\.[0-9]{0,2})(([0-9]|e|-)*)/g;
-
-function getSvgPathFromStroke(points: number[][]): string {
-  if (!points.length) {
-    return "";
-  }
-
-  const max = points.length - 1;
-
-  return points
-    .reduce(
-      (acc, point, i, arr) => {
-        if (i === max) {
-          acc.push(point, med(point, arr[0]), "L", arr[0], "Z");
-        } else {
-          acc.push(point, med(point, arr[i + 1]));
-        }
-        return acc;
-      },
-      ["M", points[0], "Q"],
-    )
-    .join(" ")
-    .replace(TO_FIXED_PRECISION, "$1");
-}

packages/element/src/schema.ts

@@ -0,0 +1,91 @@
+/**
+ * Shared schema primitives used by element types and higher-level migrations.
+ */
+export const SCHEMA_INITIAL_TRACK_VERSION = 1 as const;
+
+/** Core namespace reserved for built-in Excalidraw migrations. */
+export const SCHEMA_CORE_NAMESPACE = "core" as const;
+export type SchemaNamespace = typeof SCHEMA_CORE_NAMESPACE | `host.${string}`;
+
+/**
+ * A schema track is an independent version line:
+ * - core tracks: "excalidraw.*"
+ * - host tracks: "host.<appId>.<track>"
+ */
+export type SchemaTrack = `excalidraw.${string}` | `host.${string}.${string}`;
+export type ElementSchemaState = Readonly<{
+  tracks: Readonly<Record<string, number>>;
+}>;
+
+/** Core frame track id used by the frame background migration. */
+export const CORE_FRAME_SCHEMA_TRACK = "excalidraw.shape.frame" as const;
+
+/** Latest core track versions supported by this build. */
+export const CORE_SUPPORTED_TRACKS = {
+  [CORE_FRAME_SCHEMA_TRACK]: 2,
+} as const;
+
+const getRequiredCoreTracksForElementType = (type: string) => {
+  if (type === "frame") {
+    return {
+      [CORE_FRAME_SCHEMA_TRACK]: CORE_SUPPORTED_TRACKS[CORE_FRAME_SCHEMA_TRACK],
+    } as const;
+  }
+
+  return {} as const;
+};
+
+const isValidTrackVersion = (version: unknown): version is number =>
+  typeof version === "number" &&
+  Number.isInteger(version) &&
+  version >= SCHEMA_INITIAL_TRACK_VERSION;
+
+/**
+ * Ensures an element schema state is normalized and satisfies type defaults.
+ * Required core tracks are only ever bumped forward (never downgraded).
+ */
+export const ensureSchemaStateForElementType = (
+  schemaState: ElementSchemaState | undefined,
+  type: string,
+): ElementSchemaState => {
+  const requiredTracks = getRequiredCoreTracksForElementType(type);
+  const currentTracks = schemaState?.tracks || {};
+  const nextTracks: Record<string, number> = {};
+  let didChange = !schemaState;
+
+  for (const [track, version] of Object.entries(
+    currentTracks as Record<string, unknown>,
+  )) {
+    if (isValidTrackVersion(version)) {
+      nextTracks[track] = version;
+      continue;
+    }
+    nextTracks[track] = SCHEMA_INITIAL_TRACK_VERSION;
+    didChange = true;
+  }
+
+  for (const [track, requiredVersion] of Object.entries(requiredTracks)) {
+    const currentVersion = nextTracks[track];
+    if (
+      !isValidTrackVersion(currentVersion) ||
+      currentVersion < requiredVersion
+    ) {
+      nextTracks[track] = requiredVersion;
+      didChange = true;
+    }
+  }
+
+  if (!didChange) {
+    return schemaState!;
+  }
+
+  return { tracks: nextTracks };
+};
+
+/**
+ * Default schema state for newly created elements.
+ * New frames are created at the latest supported frame track version.
+ */
+export const getDefaultSchemaStateForElementType = (
+  type: string,
+): ElementSchemaState => ensureSchemaStateForElementType(undefined, type);

packages/element/src/shape.ts

@@ -1,4 +1,5 @@
 import { simplify } from "points-on-curve";
+import { getStroke } from "perfect-freehand";
 
 import {
   type GeometricShape,
@@ -17,10 +18,12 @@ import {
 } from "@excalidraw/math";
 import {
   ROUGHNESS,
+  THEME,
   isTransparent,
   assertNever,
   COLOR_PALETTE,
   LINE_POLYGON_POINT_MERGE_DISTANCE,
+  applyDarkModeFilter,
 } from "@excalidraw/common";
 
 import { RoughGenerator } from "roughjs/bin/generator";
@@ -36,6 +39,7 @@ import type {
 import type {
   ElementShape,
   ElementShapes,
+  SVGPathString,
 } from "@excalidraw/excalidraw/scene/types";
 
 import { elementWithCanvasCache } from "./renderElement";
@@ -52,7 +56,6 @@ import { getCornerRadius, isPathALoop } from "./utils";
 import { headingForPointIsHorizontal } from "./heading";
 
 import { canChangeRoundness } from "./comparisons";
-import { generateFreeDrawShape } from "./renderElement";
 import {
   getArrowheadPoints,
   getCenterForBounds,
@@ -77,29 +80,32 @@ import type { Point as RoughPoint } from "roughjs/bin/geometry";
 
 export class ShapeCache {
   private static rg = new RoughGenerator();
-  private static cache = new WeakMap<ExcalidrawElement, ElementShape>();
+  private static cache = new WeakMap<
+    ExcalidrawElement,
+    { shape: ElementShape; theme: AppState["theme"] }
+  >();
 
   /**
    * Retrieves shape from cache if available. Use this only if shape
    * is optional and you have a fallback in case it's not cached.
    */
-  public static get = <T extends ExcalidrawElement>(element: T) => {
-    return ShapeCache.cache.get(
-      element,
-    ) as T["type"] extends keyof ElementShapes
-      ? ElementShapes[T["type"]] | undefined
-      : ElementShape | undefined;
+  public static get = <T extends ExcalidrawElement>(
+    element: T,
+    theme: AppState["theme"] | null,
+  ) => {
+    const cached = ShapeCache.cache.get(element);
+    if (cached && (theme === null || cached.theme === theme)) {
+      return cached.shape as T["type"] extends keyof ElementShapes
+        ? ElementShapes[T["type"]] | undefined
+        : ElementShape | undefined;
+    }
+    return undefined;
   };
 
-  public static set = <T extends ExcalidrawElement>(
-    element: T,
-    shape: T["type"] extends keyof ElementShapes
-      ? ElementShapes[T["type"]]
-      : Drawable,
-  ) => ShapeCache.cache.set(element, shape);
-
-  public static delete = (element: ExcalidrawElement) =>
+  public static delete = (element: ExcalidrawElement) => {
     ShapeCache.cache.delete(element);
+    elementWithCanvasCache.delete(element);
+  };
 
   public static destroy = () => {
     ShapeCache.cache = new WeakMap();
@@ -117,12 +123,13 @@ export class ShapeCache {
       isExporting: boolean;
       canvasBackgroundColor: AppState["viewBackgroundColor"];
       embedsValidationStatus: EmbedsValidationStatus;
+      theme: AppState["theme"];
     } | null,
   ) => {
     // when exporting, always regenerated to guarantee the latest shape
     const cachedShape = renderConfig?.isExporting
       ? undefined
-      : ShapeCache.get(element);
+      : ShapeCache.get(element, renderConfig ? renderConfig.theme : null);
 
     // `null` indicates no rc shape applicable for this element type,
     // but it's considered a valid cache value (= do not regenerate)
@@ -132,19 +139,25 @@ export class ShapeCache {
 
     elementWithCanvasCache.delete(element);
 
-    const shape = generateElementShape(
+    const shape = _generateElementShape(
       element,
       ShapeCache.rg,
       renderConfig || {
         isExporting: false,
         canvasBackgroundColor: COLOR_PALETTE.white,
         embedsValidationStatus: null,
+        theme: THEME.LIGHT,
       },
     ) as T["type"] extends keyof ElementShapes
       ? ElementShapes[T["type"]]
       : Drawable | null;
 
-    ShapeCache.cache.set(element, shape);
+    if (!renderConfig?.isExporting) {
+      ShapeCache.cache.set(element, {
+        shape,
+        theme: renderConfig?.theme || THEME.LIGHT,
+      });
+    }
 
     return shape;
   };
@@ -180,6 +193,7 @@ function adjustRoughness(element: ExcalidrawElement): number {
 export const generateRoughOptions = (
   element: ExcalidrawElement,
   continuousPath = false,
+  isDarkMode: boolean = false,
 ): Options => {
   const options: Options = {
     seed: element.seed,
@@ -204,7 +218,9 @@ export const generateRoughOptions = (
     fillWeight: element.strokeWidth / 2,
     hachureGap: element.strokeWidth * 4,
     roughness: adjustRoughness(element),
-    stroke: element.strokeColor,
+    stroke: isDarkMode
+      ? applyDarkModeFilter(element.strokeColor)
+      : element.strokeColor,
     preserveVertices:
       continuousPath || element.roughness < ROUGHNESS.cartoonist,
   };
@@ -218,6 +234,8 @@ export const generateRoughOptions = (
       options.fillStyle = element.fillStyle;
       options.fill = isTransparent(element.backgroundColor)
         ? undefined
+        : isDarkMode
+        ? applyDarkModeFilter(element.backgroundColor)
         : element.backgroundColor;
       if (element.type === "ellipse") {
         options.curveFitting = 1;
@@ -231,6 +249,8 @@ export const generateRoughOptions = (
         options.fill =
           element.backgroundColor === "transparent"
             ? undefined
+            : isDarkMode
+            ? applyDarkModeFilter(element.backgroundColor)
             : element.backgroundColor;
       }
       return options;
@@ -284,6 +304,7 @@ const getArrowheadShapes = (
   generator: RoughGenerator,
   options: Options,
   canvasBackgroundColor: string,
+  isDarkMode: boolean,
 ) => {
   const arrowheadPoints = getArrowheadPoints(
     element,
@@ -309,6 +330,10 @@ const getArrowheadShapes = (
     return [generator.line(x3, y3, x4, y4, options)];
   };
 
+  const strokeColor = isDarkMode
+    ? applyDarkModeFilter(element.strokeColor)
+    : element.strokeColor;
+
   switch (arrowhead) {
     case "dot":
     case "circle":
@@ -324,10 +349,10 @@ const getArrowheadShapes = (
           fill:
             arrowhead === "circle_outline"
               ? canvasBackgroundColor
-              : element.strokeColor,
+              : strokeColor,
 
           fillStyle: "solid",
-          stroke: element.strokeColor,
+          stroke: strokeColor,
           roughness: Math.min(0.5, options.roughness || 0),
         }),
       ];
@@ -352,7 +377,7 @@ const getArrowheadShapes = (
             fill:
               arrowhead === "triangle_outline"
                 ? canvasBackgroundColor
-                : element.strokeColor,
+                : strokeColor,
             fillStyle: "solid",
             roughness: Math.min(1, options.roughness || 0),
           },
@@ -380,7 +405,7 @@ const getArrowheadShapes = (
             fill:
               arrowhead === "diamond_outline"
                 ? canvasBackgroundColor
-                : element.strokeColor,
+                : strokeColor,
             fillStyle: "solid",
             roughness: Math.min(1, options.roughness || 0),
           },
@@ -602,19 +627,22 @@ export const generateLinearCollisionShape = (
  *
  * @private
  */
-const generateElementShape = (
+const _generateElementShape = (
   element: Exclude<NonDeletedExcalidrawElement, ExcalidrawSelectionElement>,
   generator: RoughGenerator,
   {
     isExporting,
     canvasBackgroundColor,
     embedsValidationStatus,
+    theme,
   }: {
     isExporting: boolean;
     canvasBackgroundColor: string;
     embedsValidationStatus: EmbedsValidationStatus | null;
+    theme?: AppState["theme"];
   },
-): Drawable | Drawable[] | null => {
+): ElementShape => {
+  const isDarkMode = theme === THEME.DARK;
   switch (element.type) {
     case "rectangle":
     case "iframe":
@@ -640,6 +668,7 @@ const generateElementShape = (
               embedsValidationStatus,
             ),
             true,
+            isDarkMode,
           ),
         );
       } else {
@@ -655,6 +684,7 @@ const generateElementShape = (
               embedsValidationStatus,
             ),
             false,
+            isDarkMode,
           ),
         );
       }
@@ -692,7 +722,7 @@ const generateElementShape = (
             C ${topX} ${topY}, ${topX} ${topY}, ${topX + verticalRadius} ${
             topY + horizontalRadius
           }`,
-          generateRoughOptions(element, true),
+          generateRoughOptions(element, true, isDarkMode),
         );
       } else {
         shape = generator.polygon(
@@ -702,7 +732,7 @@ const generateElementShape = (
             [bottomX, bottomY],
             [leftX, leftY],
           ],
-          generateRoughOptions(element),
+          generateRoughOptions(element, false, isDarkMode),
         );
       }
       return shape;
@@ -713,14 +743,14 @@ const generateElementShape = (
         element.height / 2,
         element.width,
         element.height,
-        generateRoughOptions(element),
+        generateRoughOptions(element, false, isDarkMode),
       );
       return shape;
     }
     case "line":
     case "arrow": {
       let shape: ElementShapes[typeof element.type];
-      const options = generateRoughOptions(element);
+      const options = generateRoughOptions(element, false, isDarkMode);
 
       // points array can be empty in the beginning, so it is important to add
       // initial position to it
@@ -745,7 +775,7 @@ const generateElementShape = (
           shape = [
             generator.path(
               generateElbowArrowShape(points, 16),
-              generateRoughOptions(element, true),
+              generateRoughOptions(element, true, isDarkMode),
             ),
           ];
         }
@@ -778,6 +808,7 @@ const generateElementShape = (
             generator,
             options,
             canvasBackgroundColor,
+            isDarkMode,
           );
           shape.push(...shapes);
         }
@@ -795,6 +826,7 @@ const generateElementShape = (
             generator,
             options,
             canvasBackgroundColor,
+            isDarkMode,
           );
           shape.push(...shapes);
         }
@@ -802,23 +834,28 @@ const generateElementShape = (
       return shape;
     }
     case "freedraw": {
-      let shape: ElementShapes[typeof element.type];
-      generateFreeDrawShape(element);
+      // oredered in terms of z-index [background, stroke]
+      const shapes: ElementShapes[typeof element.type] = [];
 
+      // (1) background fill (rc shape), optional
       if (isPathALoop(element.points)) {
         // generate rough polygon to fill freedraw shape
         const simplifiedPoints = simplify(
           element.points as Mutable<LocalPoint[]>,
           0.75,
         );
-        shape = generator.curve(simplifiedPoints as [number, number][], {
-          ...generateRoughOptions(element),
-          stroke: "none",
-        });
-      } else {
-        shape = null;
+        shapes.push(
+          generator.curve(simplifiedPoints as [number, number][], {
+            ...generateRoughOptions(element, false, isDarkMode),
+            stroke: "none",
+          }),
+        );
       }
-      return shape;
+
+      // (2) stroke
+      shapes.push(getFreeDrawSvgPath(element));
+
+      return shapes;
     }
     case "frame":
     case "magicframe":
@@ -925,9 +962,7 @@ export const getElementShape = <Point extends GlobalPoint | LocalPoint>(
       return getPolygonShape(element);
     case "arrow":
     case "line": {
-      const roughShape =
-        ShapeCache.get(element)?.[0] ??
-        ShapeCache.generateElementShape(element, null)[0];
+      const roughShape = ShapeCache.generateElementShape(element, null)[0];
       const [, , , , cx, cy] = getElementAbsoluteCoords(element, elementsMap);
 
       return shouldTestInside(element)
@@ -1003,3 +1038,69 @@ export const toggleLinePolygonState = (
 
   return ret;
 };
+
+// -----------------------------------------------------------------------------
+//                         freedraw shape helper
+// -----------------------------------------------------------------------------
+
+// NOTE not cached (-> for SVG export)
+const getFreeDrawSvgPath = (element: ExcalidrawFreeDrawElement) => {
+  return getSvgPathFromStroke(
+    getFreedrawOutlinePoints(element),
+  ) as SVGPathString;
+};
+
+export const getFreedrawOutlinePoints = (
+  element: ExcalidrawFreeDrawElement,
+) => {
+  // If input points are empty (should they ever be?) return a dot
+  const inputPoints = element.simulatePressure
+    ? element.points
+    : element.points.length
+    ? element.points.map(([x, y], i) => [x, y, element.pressures[i]])
+    : [[0, 0, 0.5]];
+
+  return getStroke(inputPoints as number[][], {
+    simulatePressure: element.simulatePressure,
+    size: element.strokeWidth * 4.25,
+    thinning: 0.6,
+    smoothing: 0.5,
+    streamline: 0.5,
+    easing: (t) => Math.sin((t * Math.PI) / 2), // https://easings.net/#easeOutSine
+    last: true,
+  }) as [number, number][];
+};
+
+const med = (A: number[], B: number[]) => {
+  return [(A[0] + B[0]) / 2, (A[1] + B[1]) / 2];
+};
+
+// Trim SVG path data so number are each two decimal points. This
+// improves SVG exports, and prevents rendering errors on points
+// with long decimals.
+const TO_FIXED_PRECISION = /(\s?[A-Z]?,?-?[0-9]*\.[0-9]{0,2})(([0-9]|e|-)*)/g;
+
+const getSvgPathFromStroke = (points: number[][]): string => {
+  if (!points.length) {
+    return "";
+  }
+
+  const max = points.length - 1;
+
+  return points
+    .reduce(
+      (acc, point, i, arr) => {
+        if (i === max) {
+          acc.push(point, med(point, arr[0]), "L", arr[0], "Z");
+        } else {
+          acc.push(point, med(point, arr[i + 1]));
+        }
+        return acc;
+      },
+      ["M", points[0], "Q"],
+    )
+    .join(" ")
+    .replace(TO_FIXED_PRECISION, "$1");
+};
+
+// -----------------------------------------------------------------------------

packages/element/src/types.ts

@@ -15,6 +15,8 @@ import type {
   ValueOf,
 } from "@excalidraw/common/utility-types";
 
+import type { ElementSchemaState } from "./schema";
+
 export type ChartType = "bar" | "line";
 export type FillStyle = "hachure" | "cross-hatch" | "solid" | "zigzag";
 export type FontFamilyKeys = keyof typeof FONT_FAMILY;
@@ -58,6 +60,8 @@ type _ExcalidrawElementBase = Readonly<{
   /** Integer that is sequentially incremented on each change. Used to reconcile
       elements during collaboration or when saving to server. */
   version: number;
+  /** Per-track schema state used by migrations during restore. */
+  schemaState: ElementSchemaState;
   /** Random integer that is regenerated on each change.
       Used for deterministic reconciliation of updates during collaboration,
       in case the versions (see above) are identical. */

packages/element/src/utils.ts

@@ -7,6 +7,7 @@ import {
 } from "@excalidraw/common";
 
 import {
+  bezierEquation,
   curve,
   curveCatmullRomCubicApproxPoints,
   curveOffsetPoints,
@@ -27,19 +28,30 @@ import {
 
 import type { Curve, LineSegment, LocalPoint } from "@excalidraw/math";
 
-import type { NormalizedZoomValue, Zoom } from "@excalidraw/excalidraw/types";
+import type {
+  AppState,
+  NormalizedZoomValue,
+  Zoom,
+} from "@excalidraw/excalidraw/types";
 
 import { elementCenterPoint, getDiamondPoints } from "./bounds";
 
 import { generateLinearCollisionShape } from "./shape";
 
-import { isPointInElement } from "./collision";
+import { hitElementItself, isPointInElement } from "./collision";
 import { LinearElementEditor } from "./linearElementEditor";
 import { isRectangularElement } from "./typeChecks";
+import { maxBindingDistance_simple } from "./binding";
+
+import {
+  getGlobalFixedPointForBindableElement,
+  normalizeFixedPoint,
+} from "./binding";
 
 import type {
   ElementsMap,
   ExcalidrawArrowElement,
+  ExcalidrawBindableElement,
   ExcalidrawDiamondElement,
   ExcalidrawElement,
   ExcalidrawFreeDrawElement,
@@ -329,24 +341,10 @@ export function deconstructRectanguloidElement(
   return shape;
 }
 
-/**
- * Get the **unrotated** building components of a diamond element
- * in the form of line segments and curves as a tuple, in this order.
- *
- * @param element The element to deconstruct
- * @param offset An optional offset
- * @returns Tuple of line **unrotated** segments (0) and curves (1)
- */
-export function deconstructDiamondElement(
+export function getDiamondBaseCorners(
   element: ExcalidrawDiamondElement,
   offset: number = 0,
-): [LineSegment<GlobalPoint>[], Curve<GlobalPoint>[]] {
-  const cachedShape = getElementShapesCacheEntry(element, offset);
-
-  if (cachedShape) {
-    return cachedShape;
-  }
-
+): Curve<GlobalPoint>[] {
   const [topX, topY, rightX, rightY, bottomX, bottomY, leftX, leftY] =
     getDiamondPoints(element);
   const verticalRadius = element.roundness
@@ -363,7 +361,7 @@ export function deconstructDiamondElement(
     pointFrom(element.x + leftX, element.y + leftY),
   ];
 
-  const baseCorners = [
+  return [
     curve(
       pointFrom<GlobalPoint>(
         right[0] - verticalRadius,
@@ -413,6 +411,27 @@ export function deconstructDiamondElement(
       ),
     ), // TOP
   ];
+}
+
+/**
+ * Get the **unrotated** building components of a diamond element
+ * in the form of line segments and curves as a tuple, in this order.
+ *
+ * @param element The element to deconstruct
+ * @param offset An optional offset
+ * @returns Tuple of line **unrotated** segments (0) and curves (1)
+ */
+export function deconstructDiamondElement(
+  element: ExcalidrawDiamondElement,
+  offset: number = 0,
+): [LineSegment<GlobalPoint>[], Curve<GlobalPoint>[]] {
+  const cachedShape = getElementShapesCacheEntry(element, offset);
+
+  if (cachedShape) {
+    return cachedShape;
+  }
+
+  const baseCorners = getDiamondBaseCorners(element, offset);
 
   const corners = baseCorners.map(
     (corner) =>
@@ -570,28 +589,128 @@ const getDiagonalsForBindableElement = (
   return [diagonalOne, diagonalTwo];
 };
 
+export const getSnapOutlineMidPoint = (
+  point: GlobalPoint,
+  element: ExcalidrawBindableElement,
+  elementsMap: ElementsMap,
+  zoom: AppState["zoom"],
+) => {
+  const center = elementCenterPoint(element, elementsMap);
+  const sideMidpoints =
+    element.type === "diamond"
+      ? getDiamondBaseCorners(element).map((curve) => {
+          const point = bezierEquation(curve, 0.5);
+          const rotatedPoint = pointRotateRads(point, center, element.angle);
+
+          return pointFrom<GlobalPoint>(rotatedPoint[0], rotatedPoint[1]);
+        })
+      : [
+          // RIGHT midpoint
+          pointRotateRads(
+            pointFrom<GlobalPoint>(
+              element.x + element.width,
+              element.y + element.height / 2,
+            ),
+            center,
+            element.angle,
+          ),
+          // BOTTOM midpoint
+          pointRotateRads(
+            pointFrom<GlobalPoint>(
+              element.x + element.width / 2,
+              element.y + element.height,
+            ),
+            center,
+            element.angle,
+          ),
+          // LEFT midpoint
+          pointRotateRads(
+            pointFrom<GlobalPoint>(element.x, element.y + element.height / 2),
+            center,
+            element.angle,
+          ),
+          // TOP midpoint
+          pointRotateRads(
+            pointFrom<GlobalPoint>(element.x + element.width / 2, element.y),
+            center,
+            element.angle,
+          ),
+        ];
+  const candidate = sideMidpoints.find(
+    (midpoint) =>
+      pointDistance(point, midpoint) <=
+        maxBindingDistance_simple(zoom) + element.strokeWidth / 2 &&
+      !hitElementItself({
+        point,
+        element,
+        threshold: 0,
+        elementsMap,
+        overrideShouldTestInside: true,
+      }),
+  );
+
+  return candidate;
+};
+
 export const projectFixedPointOntoDiagonal = (
   arrow: ExcalidrawArrowElement,
   point: GlobalPoint,
-  element: ExcalidrawElement,
+  element: ExcalidrawBindableElement,
   startOrEnd: "start" | "end",
   elementsMap: ElementsMap,
+  zoom: AppState["zoom"],
 ): GlobalPoint | null => {
   invariant(arrow.points.length >= 2, "Arrow must have at least two points");
   if (arrow.width < 3 && arrow.height < 3) {
     return null;
   }
 
+  const sideMidPoint = getSnapOutlineMidPoint(
+    point,
+    element,
+    elementsMap,
+    zoom,
+  );
+  if (sideMidPoint) {
+    return sideMidPoint;
+  }
+
+  // Do the projection onto the diagonals (or center lines
+  // for non-rectangular shapes)
   const [diagonalOne, diagonalTwo] = getDiagonalsForBindableElement(
     element,
     elementsMap,
   );
 
-  const a = LinearElementEditor.getPointAtIndexGlobalCoordinates(
+  // To avoid working with stale arrow state, we use the opposite focus point
+  // of the current endpoint, which will always be unchanged during moving of
+  // the endpoint. This is only needed when the arrow has only two points.
+  let a = LinearElementEditor.getPointAtIndexGlobalCoordinates(
     arrow,
     startOrEnd === "start" ? 1 : arrow.points.length - 2,
     elementsMap,
   );
+  if (arrow.points.length === 2) {
+    const otherBinding =
+      startOrEnd === "start" ? arrow.endBinding : arrow.startBinding;
+    const otherBindable =
+      otherBinding &&
+      (elementsMap.get(otherBinding.elementId) as
+        | ExcalidrawBindableElement
+        | undefined);
+    const otherFocusPoint =
+      otherBinding &&
+      otherBindable &&
+      getGlobalFixedPointForBindableElement(
+        normalizeFixedPoint(otherBinding.fixedPoint),
+        otherBindable,
+        elementsMap,
+      );
+    if (otherFocusPoint) {
+      a = otherFocusPoint;
+    }
+  }
+
   const b = pointFromVector<GlobalPoint>(
     vectorScale(
       vectorFromPoint(point, a),
@@ -603,18 +722,22 @@ export const projectFixedPointOntoDiagonal = (
     ),
     a,
   );
-  const intersector = lineSegment<GlobalPoint>(point, b);
+  const intersector = lineSegment<GlobalPoint>(b, a);
   const p1 = lineSegmentIntersectionPoints(diagonalOne, intersector);
   const p2 = lineSegmentIntersectionPoints(diagonalTwo, intersector);
   const d1 = p1 && pointDistance(a, p1);
   const d2 = p2 && pointDistance(a, p2);
 
-  let p = null;
+  let projection = null;
   if (d1 != null && d2 != null) {
-    p = d1 < d2 ? p1 : p2;
+    projection = d1 < d2 ? p1 : p2;
   } else {
-    p = p1 || p2 || null;
+    projection = p1 || p2 || null;
   }
 
-  return p && isPointInElement(p, element, elementsMap) ? p : null;
+  if (projection && isPointInElement(projection, element, elementsMap)) {
+    return projection;
+  }
+
+  return null;
 };

packages/element/src/visualdebug.ts

@@ -1,16 +1,24 @@
 import {
   isLineSegment,
   lineSegment,
+  pointDistanceSq,
   pointFrom,
   type GlobalPoint,
   type LocalPoint,
 } from "@excalidraw/math";
+import { type Bounds, isBounds } from "@excalidraw/common";
+import {
+  getElementBounds,
+  intersectElementWithLineSegment,
+  isFreeDrawElement,
+  isLinearElement,
+  isPathALoop,
+} from "@excalidraw/element";
 
+import type { ElementsMap, ExcalidrawElement } from "@excalidraw/element/types";
 import type { Curve } from "@excalidraw/math";
 import type { LineSegment } from "@excalidraw/utils";
 
-import { type Bounds, isBounds } from "./bounds";
-
 // The global data holder to collect the debug operations
 declare global {
   interface Window {
@@ -23,10 +31,69 @@ declare global {
 
 export type DebugElement = {
   color: string;
-  data: LineSegment<GlobalPoint> | Curve<GlobalPoint>;
+  data: LineSegment<GlobalPoint> | Curve<GlobalPoint> | DebugPolygon;
   permanent: boolean;
 };
 
+export type DebugPolygon = {
+  type: "polygon";
+  points: GlobalPoint[];
+  fill?: boolean;
+  close?: boolean;
+};
+
+export const debugDrawHitVolume = (
+  element: ExcalidrawElement,
+  elementsMap: ElementsMap,
+  options?: {
+    rays?: number;
+    color?: string;
+    fill?: boolean;
+  },
+) => {
+  if (
+    (isLinearElement(element) || isFreeDrawElement(element)) &&
+    !isPathALoop(element.points)
+  ) {
+    return;
+  }
+
+  const [x1, y1, x2, y2] = getElementBounds(element, elementsMap);
+  const center = pointFrom<GlobalPoint>((x1 + x2) / 2, (y1 + y2) / 2);
+  const rays = options?.rays ?? 100;
+  const radius = Math.max(x2 - x1, y2 - y1) * 2;
+  const points: GlobalPoint[] = [];
+
+  for (let i = 0; i < rays; i += 1) {
+    const angle = (i / rays) * Math.PI * 2;
+    const end = pointFrom<GlobalPoint>(
+      center[0] + Math.cos(angle) * radius,
+      center[1] + Math.sin(angle) * radius,
+    );
+    const hits = intersectElementWithLineSegment(
+      element,
+      elementsMap,
+      lineSegment(center, end),
+    );
+    if (hits.length === 0) {
+      continue;
+    }
+    hits.sort(pointDistanceSq);
+    points.push(hits[0]);
+  }
+
+  if (points.length >= 3) {
+    debugDrawPolygon(points, {
+      color: options?.color ?? "orange",
+      fill: options?.fill ?? true,
+    });
+  } else {
+    console.warn(
+      `debugDrawHitVolume: could not compute hit volume for element ${element.id}`,
+    );
+  }
+};
+
 export const debugDrawCubicBezier = (
   c: Curve<GlobalPoint>,
   opts?: {
@@ -61,6 +128,31 @@ export const debugDrawLine = (
   );
 };
 
+export const debugDrawPolygon = (
+  points: GlobalPoint[],
+  opts?: {
+    color?: string;
+    permanent?: boolean;
+    fill?: boolean;
+    close?: boolean;
+  },
+) => {
+  if (points.length < 2) {
+    return;
+  }
+
+  addToCurrentFrame({
+    color: opts?.color ?? "orange",
+    permanent: !!opts?.permanent,
+    data: {
+      type: "polygon",
+      points,
+      fill: opts?.fill,
+      close: opts?.close,
+    },
+  });
+};
+
 export const debugDrawPoint = (
   p: GlobalPoint,
   opts?: {
@@ -101,7 +193,7 @@ export const debugDrawBounds = (
     permanent?: boolean;
   },
 ) => {
-  (isBounds(box) ? [box] : box).forEach((bbox) =>
+  (isBounds(box) ? [box] : box).forEach((bbox: Bounds) =>
     debugDrawLine(
       [
         lineSegment(

packages/element/src/zindex.ts

@@ -156,12 +156,11 @@ export const moveArrowAboveBindable = (
   elements: readonly Ordered<NonDeletedExcalidrawElement>[],
   elementsMap: NonDeletedSceneElementsMap,
   scene: Scene,
+  hit?: NonDeletedExcalidrawElement,
 ): readonly OrderedExcalidrawElement[] => {
-  const hoveredElement = getHoveredElementForBinding(
-    point,
-    elements,
-    elementsMap,
-  );
+  const hoveredElement = hit
+    ? hit
+    : getHoveredElementForBinding(point, elements, elementsMap);
 
   if (!hoveredElement) {
     return elements;

packages/element/tests/__snapshots__/linearElementEditor.test.tsx.snap

@@ -17,7 +17,7 @@ exports[`Test Linear Elements > Test bound text element > should match styles fo
   class="excalidraw-wysiwyg"
   data-type="wysiwyg"
   dir="auto"
-  style="position: absolute; display: inline-block; min-height: 1em; backface-visibility: hidden; margin: 0px; padding: 0px; border: 0px; outline: 0; resize: none; background: transparent; overflow: hidden; z-index: var(--zIndex-wysiwyg); word-break: break-word; white-space: pre-wrap; overflow-wrap: break-word; box-sizing: content-box; width: 10.5px; height: 26.25px; left: 35px; top: 7.5px; transform: translate(0px, 0px) scale(1) rotate(0deg); text-align: center; vertical-align: middle; color: rgb(30, 30, 30); opacity: 1; filter: var(--theme-filter); max-height: 992.5px; font: Emoji 20px 20px; line-height: 1.25; font-family: Excalifont, Xiaolai, sans-serif, Segoe UI Emoji;"
+  style="position: absolute; display: inline-block; min-height: 1em; backface-visibility: hidden; margin: 0px; padding: 0px; border: 0px; outline: 0; resize: none; background: transparent; overflow: hidden; z-index: var(--zIndex-wysiwyg); word-break: break-word; white-space: pre-wrap; overflow-wrap: break-word; box-sizing: content-box; width: 10.5px; height: 26.25px; left: 35px; top: 7.5px; transform: translate(0px, 0px) scale(1) rotate(0deg); text-align: center; vertical-align: middle; color: rgb(30, 30, 30); opacity: 1; max-height: 992.5px; font: Emoji 20px 20px; line-height: 1.25; font-family: Excalifont, Xiaolai, sans-serif, Segoe UI Emoji;"
   tabindex="0"
   wrap="off"
 />

packages/element/tests/collision.test.tsx

@@ -1,9 +1,12 @@
+import { arrayToMap } from "@excalidraw/common";
 import { type GlobalPoint, type LocalPoint, pointFrom } from "@excalidraw/math";
 import { Excalidraw } from "@excalidraw/excalidraw";
+import { API } from "@excalidraw/excalidraw/tests/helpers/api";
 import { UI } from "@excalidraw/excalidraw/tests/helpers/ui";
 import "@excalidraw/utils/test-utils";
 import { render } from "@excalidraw/excalidraw/tests/test-utils";
 
+import * as distance from "../src/distance";
 import { hitElementItself } from "../src/collision";
 
 describe("check rotated elements can be hit:", () => {
@@ -25,8 +28,6 @@ describe("check rotated elements can be hit:", () => {
         [-4, -302],
       ] as LocalPoint[],
     });
-    //const p = [120, -211];
-    //const p = [0, 13];
     const hit = hitElementItself({
       point: pointFrom<GlobalPoint>(88, -68),
       element: window.h.elements[0],
@@ -36,3 +37,229 @@ describe("check rotated elements can be hit:", () => {
     expect(hit).toBe(true);
   });
 });
+
+describe("frame hit testing", () => {
+  it.each(["transparent", "#ffffff"])(
+    "does not hit frame inside regardless of background color (%s)",
+    (backgroundColor) => {
+      const element = API.createElement({
+        type: "frame",
+        x: 0,
+        y: 0,
+        width: 100,
+        height: 100,
+        backgroundColor,
+      });
+      const elementsMap = arrayToMap([element]);
+
+      expect(
+        hitElementItself({
+          point: pointFrom<GlobalPoint>(50, 50),
+          element,
+          threshold: 10,
+          elementsMap,
+        }),
+      ).toBe(false);
+    },
+  );
+
+  it("hits frame outline", () => {
+    const element = API.createElement({
+      type: "frame",
+      x: 0,
+      y: 0,
+      width: 100,
+      height: 100,
+      backgroundColor: "#ffffff",
+    });
+    const elementsMap = arrayToMap([element]);
+
+    expect(
+      hitElementItself({
+        point: pointFrom<GlobalPoint>(0, 50),
+        element,
+        threshold: 1,
+        elementsMap,
+      }),
+    ).toBe(true);
+  });
+});
+
+describe("hitElementItself cache", () => {
+  beforeEach(async () => {
+    // reset cache
+    hitElementItself({
+      point: pointFrom<GlobalPoint>(50, 50),
+      element: API.createElement({
+        type: "rectangle",
+        x: 0,
+        y: 0,
+        width: 100,
+        height: 100,
+        backgroundColor: "#ffffff",
+      }),
+      threshold: Infinity,
+      elementsMap: new Map([]),
+    });
+
+    localStorage.clear();
+    await render(<Excalidraw handleKeyboardGlobally={true} />);
+  });
+
+  it("reuses cached result when threshold increases", () => {
+    const element = API.createElement({
+      type: "rectangle",
+      x: 0,
+      y: 0,
+      width: 100,
+      height: 100,
+      backgroundColor: "#ffffff",
+    });
+    const elementsMap = arrayToMap([element]);
+    const point = pointFrom<GlobalPoint>(100.5, 50);
+
+    const distanceSpy = jest.spyOn(distance, "distanceToElement");
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 1,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(1);
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 10,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(1);
+
+    distanceSpy.mockRestore();
+  });
+
+  it("does not reuse cache when threshold decreases", () => {
+    const element = API.createElement({
+      type: "rectangle",
+      x: 0,
+      y: 0,
+      width: 100,
+      height: 100,
+      backgroundColor: "transparent",
+    });
+    const elementsMap = arrayToMap([element]);
+    const point = pointFrom<GlobalPoint>(105, 50);
+
+    const distanceSpy = jest.spyOn(distance, "distanceToElement");
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 10,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(1);
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 6,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(2);
+    distanceSpy.mockRestore();
+  });
+
+  it("invalidates cache when element version changes", () => {
+    const element = API.createElement({
+      type: "rectangle",
+      x: 0,
+      y: 0,
+      width: 100,
+      height: 100,
+      backgroundColor: "#ffffff",
+    });
+    const elementsMap = arrayToMap([element]);
+    const point = pointFrom<GlobalPoint>(100.5, 50);
+
+    const distanceSpy = jest.spyOn(distance, "distanceToElement");
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 1,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(1);
+
+    const movedElement = {
+      ...element,
+      version: element.version + 1,
+      versionNonce: element.versionNonce + 1,
+    };
+
+    expect(
+      hitElementItself({
+        point,
+        element: movedElement,
+        threshold: 1,
+        elementsMap,
+      }),
+    ).toBe(true);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(2);
+    distanceSpy.mockRestore();
+  });
+
+  it("override does not affect caching", () => {
+    const element = API.createElement({
+      type: "rectangle",
+      x: 0,
+      y: 0,
+      width: 100,
+      height: 100,
+      backgroundColor: "transparent",
+    });
+    const elementsMap = arrayToMap([element]);
+    const point = pointFrom<GlobalPoint>(50, 50);
+
+    const distanceSpy = jest.spyOn(distance, "distanceToElement");
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 10,
+        elementsMap,
+      }),
+    ).toBe(false);
+
+    expect(distanceSpy).toHaveBeenCalledTimes(1);
+
+    expect(
+      hitElementItself({
+        point,
+        element,
+        threshold: 10,
+        elementsMap,
+        overrideShouldTestInside: true,
+      }),
+    ).toBe(true);
+  });
+});

packages/element/tests/embeddable.test.ts

@@ -1,4 +1,4 @@
-import { getEmbedLink } from "../src/embeddable";
+import { embeddableURLValidator, getEmbedLink } from "../src/embeddable";
 
 describe("YouTube timestamp parsing", () => {
   it("should parse YouTube URLs with timestamp in seconds", () => {
@@ -151,3 +151,83 @@ describe("YouTube timestamp parsing", () => {
     }
   });
 });
+
+describe("Google Drive video embedding", () => {
+  it.each([
+    {
+      url: "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?usp=sharing",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+    {
+      url: "https://drive.google.com/open?id=1AbCdEfGhIjKlMnOpQrStUvWxYz123456",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+    {
+      url: "https://drive.google.com/uc?export=download&id=1AbCdEfGhIjKlMnOpQrStUvWxYz123456",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+  ])("should normalize Google Drive link: $url", ({ url, expectedLink }) => {
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(expectedLink);
+    }
+    expect(result?.intrinsicSize).toEqual({ w: 560, h: 315 });
+  });
+
+  it("should preserve resourcekey when available", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?resourcekey=0-abcdef123456";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?resourcekey=0-abcdef123456",
+      );
+    }
+  });
+
+  it("should preserve timestamp when available", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?t=9";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?t=9",
+      );
+    }
+  });
+
+  it("should preserve resourcekey and timestamp together", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?resourcekey=0-abcdef123456&t=9";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?resourcekey=0-abcdef123456&t=9",
+      );
+    }
+  });
+
+  it("should validate Google Drive domain by default", () => {
+    expect(
+      embeddableURLValidator(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view",
+        undefined,
+      ),
+    ).toBe(true);
+  });
+});

packages/element/tests/linearElementEditor.test.tsx

@@ -218,7 +218,7 @@ describe("Test Linear Elements", () => {
     // drag line from midpoint
     drag(midpoint, pointFrom(midpoint[0] + delta, midpoint[1] + delta));
     expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(`8`);
-    expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
+    expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`6`);
     expect(line.points.length).toEqual(3);
     expect(line.points).toMatchInlineSnapshot(`
       [
@@ -378,7 +378,7 @@ describe("Test Linear Elements", () => {
       // drag line from midpoint
       drag(midpoint, pointFrom(midpoint[0] + delta, midpoint[1] + delta));
       expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-        `11`,
+        `12`,
       );
       expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
 
@@ -419,7 +419,7 @@ describe("Test Linear Elements", () => {
       fireEvent.click(screen.getByTitle("Round"));
 
       expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-        `9`,
+        `10`,
       );
       expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`6`);
 
@@ -480,7 +480,7 @@ describe("Test Linear Elements", () => {
       drag(startPoint, endPoint);
 
       expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-        `11`,
+        `12`,
       );
       expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
 
@@ -548,7 +548,7 @@ describe("Test Linear Elements", () => {
         );
 
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `14`,
+          `15`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`9`);
 
@@ -599,7 +599,7 @@ describe("Test Linear Elements", () => {
         drag(hitCoords, pointFrom(hitCoords[0] - delta, hitCoords[1] - delta));
 
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `11`,
+          `12`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
 
@@ -640,7 +640,7 @@ describe("Test Linear Elements", () => {
         drag(hitCoords, pointFrom(hitCoords[0] + delta, hitCoords[1] + delta));
 
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `11`,
+          `12`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
 
@@ -688,7 +688,7 @@ describe("Test Linear Elements", () => {
         deletePoint(points[2]);
         expect(line.points.length).toEqual(3);
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `17`,
+          `18`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`10`);
 
@@ -746,7 +746,7 @@ describe("Test Linear Elements", () => {
           ),
         );
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `14`,
+          `15`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`9`);
         expect(line.points.length).toEqual(5);
@@ -844,7 +844,7 @@ describe("Test Linear Elements", () => {
         drag(hitCoords, pointFrom(hitCoords[0] + delta, hitCoords[1] + delta));
 
         expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
-          `11`,
+          `12`,
         );
         expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`7`);
 
@@ -1317,7 +1317,7 @@ describe("Test Linear Elements", () => {
       const textElement = h.elements[2] as ExcalidrawTextElementWithContainer;
 
       expect(arrow.endBinding?.elementId).toBe(rect.id);
-      expect(arrow.width).toBeCloseTo(399);
+      expect(arrow.width).toBeCloseTo(404);
       expect(rect.x).toBe(400);
       expect(rect.y).toBe(0);
       expect(
@@ -1336,7 +1336,7 @@ describe("Test Linear Elements", () => {
       mouse.downAt(rect.x, rect.y);
       mouse.moveTo(200, 0);
       mouse.upAt(200, 0);
-      expect(arrow.width).toBeCloseTo(199);
+      expect(arrow.width).toBeCloseTo(204);
       expect(rect.x).toBe(200);
       expect(rect.y).toBe(0);
       expect(handleBindTextResizeSpy).toHaveBeenCalledWith(

packages/element/tests/resize.test.tsx

@@ -1350,8 +1350,8 @@ describe("multiple selection", () => {
 
     expect(boundArrow.x).toBeCloseTo(380 * scaleX);
     expect(boundArrow.y).toBeCloseTo(240 * scaleY);
-    expect(boundArrow.points[1][0]).toBeCloseTo(59.7979);
-    expect(boundArrow.points[1][1]).toBeCloseTo(-79.7305);
+    expect(boundArrow.points[1][0]).toBeCloseTo(63.40354208105561);
+    expect(boundArrow.points[1][1]).toBeCloseTo(-84.53805610807356);
 
     expect(arrowLabelPos.x + arrowLabel.width / 2).toBeCloseTo(
       boundArrow.x + boundArrow.points[1][0] / 2,

packages/excalidraw/actions/actionDistribute.tsx

@@ -58,6 +58,7 @@ const distributeSelectedElements = (
     app.scene.getNonDeletedElementsMap(),
     distribution,
     appState,
+    app.scene,
   );
 
   const updatedElementsMap = arrayToMap(updatedElements);

packages/excalidraw/actions/actionExport.tsx

@@ -271,7 +271,11 @@ export const actionLoadScene = register({
         elements: loadedElements,
         appState: loadedAppState,
         files,
-      } = await loadFromJSON(appState, elements);
+      } = await loadFromJSON(
+        appState,
+        elements,
+        app.getSchemaMigrationRegistry(),
+      );
       return {
         elements: loadedElements,
         appState: loadedAppState,

packages/excalidraw/actions/actionFinalize.tsx

@@ -82,7 +82,10 @@ export const actionFinalize = register<FormData>({
         app.scene,
       );
 
-      if (isBindingElement(element)) {
+      if (
+        isBindingElement(element) &&
+        !appState.selectedLinearElement.segmentMidPointHoveredCoords
+      ) {
         const newArrow = !!appState.newElement;
 
         const selectedPointsIndices =
@@ -95,19 +98,21 @@ export const actionFinalize = register<FormData>({
             map.set(index, {
               point: LinearElementEditor.pointFromAbsoluteCoords(
                 element,
-                pointFrom<GlobalPoint>(sceneCoords.x, sceneCoords.y),
+                pointFrom<GlobalPoint>(
+                  sceneCoords.x - linearElementEditor.pointerOffset.x,
+                  sceneCoords.y - linearElementEditor.pointerOffset.y,
+                ),
                 elementsMap,
               ),
             });
 
             return map;
           }, new Map()) ?? new Map();
-
         bindOrUnbindBindingElement(
           element,
           draggedPoints,
-          sceneCoords.x,
-          sceneCoords.y,
+          sceneCoords.x - linearElementEditor.pointerOffset.x,
+          sceneCoords.y - linearElementEditor.pointerOffset.y,
           scene,
           appState,
           {
@@ -170,6 +175,7 @@ export const actionFinalize = register<FormData>({
                     ...linearElementEditor.initialState,
                     lastClickedPoint: -1,
                   },
+                  pointerOffset: { x: 0, y: 0 },
                 },
             selectionElement: null,
             suggestedBinding: null,

packages/excalidraw/actions/actionProperties.test.tsx

@@ -6,11 +6,23 @@ import {
   FONT_FAMILY,
   STROKE_WIDTH,
 } from "@excalidraw/common";
+import {
+  CORE_FRAME_SCHEMA_TRACK,
+  CORE_SUPPORTED_TRACKS,
+} from "@excalidraw/element";
 
 import { Excalidraw } from "../index";
 import { API } from "../tests/helpers/api";
 import { UI } from "../tests/helpers/ui";
-import { render } from "../tests/test-utils";
+import { act, render } from "../tests/test-utils";
+
+import {
+  actionChangeBackgroundColor,
+  actionChangeRoundness,
+  actionChangeStrokeWidth,
+} from "./actionProperties";
+
+const { h } = window;
 
 describe("element locking", () => {
   beforeEach(async () => {
@@ -109,6 +121,21 @@ describe("element locking", () => {
       expect(crossHatchButton).toBe(null);
     });
 
+    it("should show background color picker for selected frame", () => {
+      const frame = API.createElement({
+        type: "frame",
+      });
+      API.setElements([frame]);
+      API.setSelectedElements([frame]);
+
+      expect(
+        queryByTestId(
+          document.body,
+          `color-top-pick-${DEFAULT_ELEMENT_BACKGROUND_PICKS[0]}`,
+        ),
+      ).not.toBe(null);
+    });
+
     it("should highlight common stroke width of selected elements", () => {
       const rect1 = API.createElement({
         type: "rectangle",
@@ -169,5 +196,77 @@ describe("element locking", () => {
         "active",
       );
     });
+
+    it("should not update text background when changing background in mixed frame selection", () => {
+      const frame = API.createElement({
+        type: "frame",
+        schemaState: { tracks: {} },
+      });
+      const text = API.createElement({
+        type: "text",
+        backgroundColor: COLOR_PALETTE.transparent,
+      });
+      API.setElements([text, frame]);
+      API.setSelectedElements([text, frame]);
+
+      act(() => {
+        h.app.actionManager.executeAction(actionChangeBackgroundColor, "ui", {
+          viewBackgroundColor: h.state.viewBackgroundColor,
+          currentItemBackgroundColor: "#ffc9c9",
+        });
+      });
+
+      expect(API.getElement(frame).backgroundColor).toBe("#ffc9c9");
+      expect(API.getElement(text).backgroundColor).toBe(
+        COLOR_PALETTE.transparent,
+      );
+      expect(
+        API.getElement(frame).schemaState.tracks[CORE_FRAME_SCHEMA_TRACK],
+      ).toBe(CORE_SUPPORTED_TRACKS[CORE_FRAME_SCHEMA_TRACK]);
+    });
+
+    it("should not update frame stroke width when changing stroke width in mixed selection", () => {
+      const frame = API.createElement({
+        type: "frame",
+      });
+      const rect = API.createElement({
+        type: "rectangle",
+        strokeWidth: STROKE_WIDTH.thin,
+      });
+      API.setElements([rect, frame]);
+      API.setSelectedElements([rect, frame]);
+
+      const originalFrameStrokeWidth = API.getElement(frame).strokeWidth;
+
+      act(() => {
+        h.app.actionManager.executeAction(
+          actionChangeStrokeWidth,
+          "ui",
+          STROKE_WIDTH.extraBold,
+        );
+      });
+
+      expect(API.getElement(rect).strokeWidth).toBe(STROKE_WIDTH.extraBold);
+      expect(API.getElement(frame).strokeWidth).toBe(originalFrameStrokeWidth);
+    });
+
+    it("should not update frame roundness when changing roundness in mixed selection", () => {
+      const frame = API.createElement({
+        type: "frame",
+      });
+      const rect = API.createElement({
+        type: "rectangle",
+        roundness: null,
+      });
+      API.setElements([rect, frame]);
+      API.setSelectedElements([rect, frame]);
+
+      act(() => {
+        h.app.actionManager.executeAction(actionChangeRoundness, "ui", "round");
+      });
+
+      expect(API.getElement(rect).roundness).not.toBe(null);
+      expect(API.getElement(frame).roundness).toBe(null);
+    });
   });
 });

packages/excalidraw/actions/actionProperties.tsx

@@ -45,6 +45,7 @@ import {
 import {
   isArrowElement,
   isBoundToContainer,
+  isFrameElement,
   isElbowArrow,
   isLinearElement,
   isLineElement,
@@ -52,7 +53,13 @@ import {
   isUsingAdaptiveRadius,
 } from "@excalidraw/element";
 
-import { hasStrokeColor } from "@excalidraw/element";
+import {
+  canChangeRoundness,
+  hasBackground,
+  hasStrokeColor,
+  hasStrokeStyle,
+  hasStrokeWidth,
+} from "@excalidraw/element";
 
 import {
   updateElbowArrowPoints,
@@ -409,11 +416,18 @@ export const actionChangeBackgroundColor = register<
         return el;
       });
     } else {
-      nextElements = changeProperty(elements, appState, (el) =>
-        newElementWith(el, {
-          backgroundColor: value.currentItemBackgroundColor,
-        }),
-      );
+      nextElements = changeProperty(elements, appState, (el) => {
+        if (isFrameElement(el)) {
+          return newElementWith(el, {
+            backgroundColor: value.currentItemBackgroundColor,
+          });
+        }
+        return hasBackground(el.type)
+          ? newElementWith(el, {
+              backgroundColor: value.currentItemBackgroundColor,
+            })
+          : el;
+      });
     }
 
     return {
@@ -444,7 +458,12 @@ export const actionChangeBackgroundColor = register<
             (element) => element.backgroundColor,
             true,
             (hasSelection) =>
-              !hasSelection ? appState.currentItemBackgroundColor : null,
+              !hasSelection
+                ? appState.activeTool.type === "frame"
+                  ? // background default shouldn't apply to new frames
+                    "transparent"
+                  : appState.currentItemBackgroundColor
+                : null,
           )}
           onChange={(color) =>
             updateData({ currentItemBackgroundColor: color })
@@ -471,11 +490,13 @@ export const actionChangeFillStyle = register<ExcalidrawElement["fillStyle"]>({
       })`,
     );
     return {
-      elements: changeProperty(elements, appState, (el) =>
-        newElementWith(el, {
-          fillStyle: value,
-        }),
-      ),
+      elements: changeProperty(elements, appState, (el) => {
+        return hasBackground(el.type)
+          ? newElementWith(el, {
+              fillStyle: value,
+            })
+          : el;
+      }),
       appState: { ...appState, currentItemFillStyle: value },
       captureUpdate: CaptureUpdateAction.IMMEDIATELY,
     };
@@ -548,11 +569,13 @@ export const actionChangeStrokeWidth = register<
   trackEvent: false,
   perform: (elements, appState, value) => {
     return {
-      elements: changeProperty(elements, appState, (el) =>
-        newElementWith(el, {
-          strokeWidth: value,
-        }),
-      ),
+      elements: changeProperty(elements, appState, (el) => {
+        return hasStrokeWidth(el.type)
+          ? newElementWith(el, {
+              strokeWidth: value,
+            })
+          : el;
+      }),
       appState: { ...appState, currentItemStrokeWidth: value },
       captureUpdate: CaptureUpdateAction.IMMEDIATELY,
     };
@@ -604,12 +627,14 @@ export const actionChangeSloppiness = register<ExcalidrawElement["roughness"]>({
   trackEvent: false,
   perform: (elements, appState, value) => {
     return {
-      elements: changeProperty(elements, appState, (el) =>
-        newElementWith(el, {
-          seed: randomInteger(),
-          roughness: value,
-        }),
-      ),
+      elements: changeProperty(elements, appState, (el) => {
+        return hasStrokeStyle(el.type)
+          ? newElementWith(el, {
+              seed: randomInteger(),
+              roughness: value,
+            })
+          : el;
+      }),
       appState: { ...appState, currentItemRoughness: value },
       captureUpdate: CaptureUpdateAction.IMMEDIATELY,
     };
@@ -660,11 +685,13 @@ export const actionChangeStrokeStyle = register<
   trackEvent: false,
   perform: (elements, appState, value) => {
     return {
-      elements: changeProperty(elements, appState, (el) =>
-        newElementWith(el, {
-          strokeStyle: value,
-        }),
-      ),
+      elements: changeProperty(elements, appState, (el) => {
+        return hasStrokeStyle(el.type)
+          ? newElementWith(el, {
+              strokeStyle: value,
+            })
+          : el;
+      }),
       appState: { ...appState, currentItemStrokeStyle: value },
       captureUpdate: CaptureUpdateAction.IMMEDIATELY,
     };
@@ -1476,7 +1503,7 @@ export const actionChangeRoundness = register<"sharp" | "round">({
   perform: (elements, appState, value) => {
     return {
       elements: changeProperty(elements, appState, (el) => {
-        if (isElbowArrow(el)) {
+        if (isElbowArrow(el) || !canChangeRoundness(el.type)) {
           return el;
         }
 
@@ -1555,7 +1582,7 @@ const getArrowheadOptions = (flip: boolean) => {
       value: null,
       text: t("labels.arrowhead_none"),
       keyBinding: "q",
-      icon: ArrowheadNoneIcon,
+      icon: <ArrowheadNoneIcon flip={flip} />,
     },
     {
       value: "arrow",
@@ -1683,7 +1710,8 @@ export const actionChangeArrowhead = register<{
                   ? element.startArrowhead
                   : appState.currentItemStartArrowhead,
               true,
-              appState.currentItemStartArrowhead,
+              (hasSelection) =>
+                hasSelection ? null : appState.currentItemStartArrowhead,
             )}
             onChange={(value) => updateData({ position: "start", type: value })}
             numberOfOptionsToAlwaysShow={4}
@@ -1700,7 +1728,8 @@ export const actionChangeArrowhead = register<{
                   ? element.endArrowhead
                   : appState.currentItemEndArrowhead,
               true,
-              appState.currentItemEndArrowhead,
+              (hasSelection) =>
+                hasSelection ? null : appState.currentItemEndArrowhead,
             )}
             onChange={(value) => updateData({ position: "end", type: value })}
             numberOfOptionsToAlwaysShow={4}

packages/excalidraw/actions/shortcuts.ts

@@ -55,7 +55,8 @@ export type ShortcutName =
   | "saveScene"
   | "imageExport"
   | "commandPalette"
-  | "searchMenu";
+  | "searchMenu"
+  | "toolLock";
 
 const shortcutMap: Record<ShortcutName, string[]> = {
   toggleTheme: [getShortcutKey("Shift+Alt+D")],
@@ -117,6 +118,7 @@ const shortcutMap: Record<ShortcutName, string[]> = {
   toggleShortcuts: [getShortcutKey("?")],
   searchMenu: [getShortcutKey("CtrlOrCmd+F")],
   wrapSelectionInFrame: [],
+  toolLock: [getShortcutKey("Q")],
 };
 
 export const getShortcutFromShortcutName = (name: ShortcutName, idx = 0) => {

packages/excalidraw/clipboard.test.ts

@@ -54,7 +54,13 @@ describe("parseClipboard()", () => {
         }),
       ),
     );
-    expect(clipboardData.elements).toEqual([rect]);
+    expect(clipboardData.elements).toEqual([
+      expect.objectContaining({
+        id: rect.id,
+        type: rect.type,
+        schemaState: rect.schemaState,
+      }),
+    ]);
   });
 
   it("should parse valid excalidraw JSON if inside text/html", async () => {
@@ -73,7 +79,13 @@ describe("parseClipboard()", () => {
         }),
       ),
     );
-    expect(clipboardData.elements).toEqual([rect]);
+    expect(clipboardData.elements).toEqual([
+      expect.objectContaining({
+        id: rect.id,
+        type: rect.type,
+        schemaState: rect.schemaState,
+      }),
+    ]);
     // -------------------------------------------------------------------------
     json = serializeAsClipboardJSON({ elements: [rect], files: null });
     clipboardData = await parseClipboard(
@@ -85,10 +97,66 @@ describe("parseClipboard()", () => {
         }),
       ),
     );
-    expect(clipboardData.elements).toEqual([rect]);
+    expect(clipboardData.elements).toEqual([
+      expect.objectContaining({
+        id: rect.id,
+        type: rect.type,
+        schemaState: rect.schemaState,
+      }),
+    ]);
     // -------------------------------------------------------------------------
   });
 
+  it("should preserve per-element schema on clipboard payload", async () => {
+    const rect = API.createElement({ type: "rectangle" });
+    const clipboardPayload = JSON.parse(
+      serializeAsClipboardJSON({ elements: [rect], files: null }),
+    );
+
+    const clipboardData = await parseClipboard(
+      await parseDataTransferEvent(
+        createPasteEvent({
+          types: {
+            "text/plain": JSON.stringify(clipboardPayload),
+          },
+        }),
+      ),
+    );
+
+    expect(clipboardData.elements?.[0]).toEqual(
+      expect.objectContaining({
+        id: rect.id,
+        schemaState: rect.schemaState,
+      }),
+    );
+  });
+
+  it("should not upcast legacy elements to latest schema on clipboard serialize", async () => {
+    const rect = API.createElement({ type: "rectangle" });
+    const legacyRect = { ...(rect as any) };
+    delete legacyRect.schemaState;
+
+    const clipboardPayload = JSON.parse(
+      serializeAsClipboardJSON({
+        elements: [legacyRect as typeof rect],
+        files: null,
+      }),
+    );
+    expect(clipboardPayload.elements[0]).not.toHaveProperty("schemaState");
+
+    const clipboardData = await parseClipboard(
+      await parseDataTransferEvent(
+        createPasteEvent({
+          types: {
+            "text/plain": JSON.stringify(clipboardPayload),
+          },
+        }),
+      ),
+    );
+
+    expect(clipboardData.elements?.[0]).not.toHaveProperty("schemaState");
+  });
+
   it("should parse <image> `src` urls out of text/html", async () => {
     let clipboardData;
     // -------------------------------------------------------------------------

packages/excalidraw/clipboard.ts

@@ -79,7 +79,10 @@ export const probablySupportsClipboardBlob =
 
 const clipboardContainsElements = (
   contents: any,
-): contents is { elements: ExcalidrawElement[]; files?: BinaryFiles } => {
+): contents is {
+  elements: ExcalidrawElement[];
+  files?: BinaryFiles;
+} => {
   if (
     [
       EXPORT_DATA_TYPES.excalidraw,
@@ -204,8 +207,13 @@ export const copyToClipboard = async (
   /** supply if available to make the operation more certain to succeed */
   clipboardEvent?: ClipboardEvent | null,
 ) => {
+  const json = serializeAsClipboardJSON({ elements, files });
+
   await copyTextToSystemClipboard(
-    serializeAsClipboardJSON({ elements, files }),
+    {
+      [MIME_TYPES.excalidrawClipboard]: json,
+      [MIME_TYPES.text]: json,
+    },
     clipboardEvent,
   );
 };
@@ -401,7 +409,7 @@ export type ParsedDataTransferFile = Extract<
   { kind: "file" }
 >;
 
-type ParsedDataTranferList = ParsedDataTransferItem[] & {
+export type ParsedDataTranferList = ParsedDataTransferItem[] & {
   /**
    * Only allows filtering by known `string` data types, since `file`
    * types can have multiple items of the same type (e.g. multiple image files)
@@ -452,6 +460,29 @@ const getDataTransferFiles = function (
   );
 };
 
+/** @returns list of MIME types, synchronously */
+export const parseDataTransferEventMimeTypes = (
+  event: ClipboardEvent | DragEvent | React.DragEvent<HTMLDivElement>,
+): Set<string> => {
+  let items: DataTransferItemList | undefined = undefined;
+
+  if (isClipboardEvent(event)) {
+    items = event.clipboardData?.items;
+  } else {
+    items = event.dataTransfer?.items;
+  }
+
+  const types: Set<string> = new Set();
+
+  for (const item of Array.from(items || [])) {
+    if (!types.has(item.type)) {
+      types.add(item.type);
+    }
+  }
+
+  return types;
+};
+
 export const parseDataTransferEvent = async (
   event: ClipboardEvent | DragEvent | React.DragEvent<HTMLDivElement>,
 ): Promise<ParsedDataTranferList> => {
@@ -460,8 +491,7 @@ export const parseDataTransferEvent = async (
   if (isClipboardEvent(event)) {
     items = event.clipboardData?.items;
   } else {
-    const dragEvent = event;
-    items = dragEvent.dataTransfer?.items;
+    items = event.dataTransfer?.items;
   }
 
   const dataItems = (
@@ -567,7 +597,7 @@ export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
     // ClipboardItem constructor, but throws on an unrelated MIME type error.
     // So we need to await this and fallback to awaiting the blob if applicable.
     await navigator.clipboard.write([
-      new window.ClipboardItem({
+      new ClipboardItem({
         [MIME_TYPES.png]: blob,
       }),
     ]);
@@ -576,7 +606,7 @@ export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
     // with resolution value instead
     if (isPromiseLike(blob)) {
       await navigator.clipboard.write([
-        new window.ClipboardItem({
+        new ClipboardItem({
           [MIME_TYPES.png]: await blob,
         }),
       ]);
@@ -586,28 +616,27 @@ export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
   }
 };
 
-export const copyTextToSystemClipboard = async (
-  text: string | null,
+export const copyTextToSystemClipboard = async <
+  MimeType extends ValueOf<typeof STRING_MIME_TYPES>,
+>(
+  text: string | { [K in MimeType]: string } | null,
   clipboardEvent?: ClipboardEvent | null,
 ) => {
-  // (1) first try using Async Clipboard API
-  if (probablySupportsClipboardWriteText) {
-    try {
-      // NOTE: doesn't work on FF on non-HTTPS domains, or when document
-      // not focused
-      await navigator.clipboard.writeText(text || "");
-      return;
-    } catch (error: any) {
-      console.error(error);
-    }
-  }
+  text = text || "";
 
-  // (2) if fails and we have access to ClipboardEvent, use plain old setData()
+  const entries = Object.entries(
+    typeof text === "string" ? { [MIME_TYPES.text]: text } : text,
+  );
+
+  // (1) if we have clipboardEvent, try using it first as it's the most
+  // versatile
   try {
     if (clipboardEvent) {
-      clipboardEvent.clipboardData?.setData(MIME_TYPES.text, text || "");
-      if (clipboardEvent.clipboardData?.getData(MIME_TYPES.text) !== text) {
-        throw new Error("Failed to setData on clipboardEvent");
+      for (const [mimeType, value] of entries) {
+        clipboardEvent.clipboardData?.setData(mimeType, value);
+        if (clipboardEvent.clipboardData?.getData(mimeType) !== value) {
+          throw new Error("Failed to setData on clipboardEvent");
+        }
       }
       return;
     }
@@ -615,8 +644,26 @@ export const copyTextToSystemClipboard = async (
     console.error(error);
   }
 
-  // (3) if that fails, use document.execCommand
-  if (!copyTextViaExecCommand(text)) {
+  const plainTextEntry = entries.find(
+    ([mimeType]) => mimeType === MIME_TYPES.text,
+  );
+
+  // (2) if we don't have access to clipboardEvent, or that fails,
+  // at least try setting text/plain via navigator.clipboard.writeText
+  // (navigator.clipboard.write doesn't work with non-standard mime types)
+  if (probablySupportsClipboardWriteText && plainTextEntry) {
+    try {
+      // NOTE: doesn't work on FF on non-HTTPS domains, or when document
+      // not focused
+      await navigator.clipboard.writeText(plainTextEntry[1]);
+      return;
+    } catch (error: any) {
+      console.error(error);
+    }
+  }
+
+  // (3) if previous fails, use document.execCommand
+  if (plainTextEntry && !copyTextViaExecCommand(plainTextEntry[1])) {
     throw new Error("Error copying to clipboard.");
   }
 };

packages/excalidraw/components/Actions.tsx

@@ -1,6 +1,6 @@
 import clsx from "clsx";
 import { useRef, useState } from "react";
-import * as Popover from "@radix-ui/react-popover";
+import { Popover } from "radix-ui";
 
 import {
   CLASSES,
@@ -20,6 +20,7 @@ import {
   isArrowElement,
   hasStrokeColor,
   toolIsArrow,
+  isFrameElement,
 } from "@excalidraw/element";
 
 import type {
@@ -129,8 +130,11 @@ export const canChangeBackgroundColor = (
   targetElements: ExcalidrawElement[],
 ) => {
   return (
+    // frame tool shouldn't allow to set background until frame is created
     hasBackground(appState.activeTool.type) ||
-    targetElements.some((element) => hasBackground(element.type))
+    targetElements.some(
+      (element) => hasBackground(element.type) || isFrameElement(element),
+    )
   );
 };
 
@@ -1263,9 +1267,9 @@ export const ShapesSwitcher = ({
               onSelect={() => app.onMagicframeToolSelect()}
               icon={MagicIcon}
               data-testid="toolbar-magicframe"
+              badge={<DropdownMenu.Item.Badge>AI</DropdownMenu.Item.Badge>}
             >
               {t("toolBar.magicframe")}
-              <DropdownMenu.Item.Badge>AI</DropdownMenu.Item.Badge>
             </DropdownMenu.Item>
           )}
         </DropdownMenu.Content>

packages/excalidraw/components/App.tsx

@@ -11,7 +11,6 @@ import {
   pointDistance,
   vector,
   pointRotateRads,
-  vectorScale,
   vectorFromPoint,
   vectorSubtract,
   vectorDot,
@@ -47,7 +46,6 @@ import {
   TAP_TWICE_TIMEOUT,
   TEXT_TO_CENTER_SNAP_THRESHOLD,
   THEME,
-  THEME_FILTER,
   TOUCH_CTX_MENU_TIMEOUT,
   VERTICAL_ALIGN,
   YOUTUBE_STATES,
@@ -89,6 +87,7 @@ import {
   getDateTime,
   isShallowEqual,
   arrayToMap,
+  applyDarkModeFilter,
   type EXPORT_IMAGE_TYPES,
   randomInteger,
   CLASSES,
@@ -250,6 +249,14 @@ import {
   maxBindingDistance_simple,
   convertToExcalidrawElements,
   type ExcalidrawElementSkeleton,
+  getSnapOutlineMidPoint,
+  handleFocusPointDrag,
+  handleFocusPointHover,
+  handleFocusPointPointerDown,
+  handleFocusPointPointerUp,
+  maybeHandleArrowPointlikeDrag,
+  getUncroppedWidthAndHeight,
+  isFrameElement,
 } from "@excalidraw/element";
 
 import type { GlobalPoint, LocalPoint, Radians } from "@excalidraw/math";
@@ -346,7 +353,8 @@ import {
 
 import { exportCanvas, loadFromBlob } from "../data";
 import Library, { distributeLibraryItemsOnSquareGrid } from "../data/library";
-import { restore, restoreElements } from "../data/restore";
+import { restoreAppState, restoreElements } from "../data/restore";
+import { createSchemaMigrationRegistry } from "../data/schema";
 import { getCenter, getDistance } from "../gesture";
 import { History } from "../history";
 import { defaultLang, getLanguage, languages, setLanguage, t } from "../i18n";
@@ -436,10 +444,7 @@ import { searchItemInFocusAtom } from "./SearchMenu";
 import { isSidebarDockedAtom } from "./Sidebar/Sidebar";
 import { StaticCanvas, InteractiveCanvas } from "./canvases";
 import NewElementCanvas from "./canvases/NewElementCanvas";
-import {
-  isPointHittingLink,
-  isPointHittingLinkIcon,
-} from "./hyperlink/helpers";
+import { isPointHittingLink } from "./hyperlink/helpers";
 import { MagicIcon, copyIcon, fullscreenIcon } from "./icons";
 import { Toast } from "./Toast";
 
@@ -456,6 +461,7 @@ import type {
 
 import type { ClipboardData, PastedMixedContent } from "../clipboard";
 import type { ExportedElements } from "../data";
+import type { SchemaMigrationRegistry } from "../data/schema";
 import type { ContextMenuItems } from "./ContextMenu";
 import type { FileSystemHandle } from "../data/filesystem";
 
@@ -602,6 +608,7 @@ class App extends React.Component<AppProps, AppState> {
   public fonts: Fonts;
   public renderer: Renderer;
   public visibleElements: readonly NonDeletedExcalidrawElement[];
+  private schemaMigrationRegistry: SchemaMigrationRegistry;
   private resizeObserver: ResizeObserver | undefined;
   public library: AppClassProperties["library"];
   public libraryItemsFromStorage: LibraryItems | undefined;
@@ -643,7 +650,10 @@ class App extends React.Component<AppProps, AppState> {
   lastPointerUpEvent: React.PointerEvent<HTMLElement> | PointerEvent | null =
     null;
   lastPointerMoveEvent: PointerEvent | null = null;
+  /** current frame pointer cords */
   lastPointerMoveCoords: { x: number; y: number } | null = null;
+  /** previous frame pointer coords */
+  previousPointerMoveCoords: { x: number; y: number } | null = null;
   lastViewportPosition = { x: 0, y: 0 };
 
   animationFrameHandler = new AnimationFrameHandler();
@@ -715,6 +725,9 @@ class App extends React.Component<AppProps, AppState> {
     this.stylesPanelMode = deriveStylesPanelMode(this.editorInterface);
 
     this.id = nanoid();
+    this.schemaMigrationRegistry = createSchemaMigrationRegistry(
+      props.schemaPlugins,
+    );
     this.library = new Library(this);
     this.actionManager = new ActionManager(
       this.syncActionResult,
@@ -761,6 +774,7 @@ class App extends React.Component<AppProps, AppState> {
         setCursor: this.setCursor,
         resetCursor: this.resetCursor,
         getEditorInterface: () => this.editorInterface,
+        getSchemaMigrationRegistry: this.getSchemaMigrationRegistry,
         updateFrameRendering: this.updateFrameRendering,
         toggleSidebar: this.toggleSidebar,
         onChange: (cb) => this.onChangeEmitter.on(cb),
@@ -1201,12 +1215,99 @@ class App extends React.Component<AppProps, AppState> {
     return this.iFrameRefs.get(element.id);
   }
 
-  private handleEmbeddableCenterClick(element: ExcalidrawIframeLikeElement) {
+  private handleIframeLikeElementHover = ({
+    hitElement,
+    scenePointer,
+    moveEvent,
+  }: {
+    hitElement: NonDeleted<ExcalidrawElement> | null;
+    scenePointer: { x: number; y: number };
+    moveEvent: React.PointerEvent<HTMLCanvasElement>;
+  }): boolean => {
     if (
-      this.state.activeEmbeddable?.element === element &&
+      hitElement &&
+      isIframeLikeElement(hitElement) &&
+      this.isIframeLikeElementCenter(
+        hitElement,
+        moveEvent,
+        scenePointer.x,
+        scenePointer.y,
+      )
+    ) {
+      setCursor(this.interactiveCanvas, CURSOR_TYPE.POINTER);
+      this.setState({
+        activeEmbeddable: { element: hitElement, state: "hover" },
+      });
+      return true;
+    } else if (this.state.activeEmbeddable?.state === "hover") {
+      this.setState({ activeEmbeddable: null });
+    }
+    return false;
+  };
+
+  /** @returns true if iframe-like element click handled */
+  private handleIframeLikeCenterClick(): boolean {
+    if (!this.lastPointerDownEvent || !this.lastPointerUpEvent) {
+      return false;
+    }
+
+    const scenePointerStart = viewportCoordsToSceneCoords(
+      {
+        clientX: this.lastPointerDownEvent.clientX,
+        clientY: this.lastPointerDownEvent.clientY,
+      },
+      this.state,
+    );
+    const scenePointerEnd = viewportCoordsToSceneCoords(
+      {
+        clientX: this.lastPointerUpEvent.clientX,
+        clientY: this.lastPointerUpEvent.clientY,
+      },
+      this.state,
+    );
+
+    const hitElementStart = this.getElementAtPosition(
+      scenePointerStart.x,
+      scenePointerStart.y,
+    );
+
+    const hitElementEnd = this.getElementAtPosition(
+      scenePointerEnd.x,
+      scenePointerEnd.y,
+    );
+
+    if (
+      !hitElementStart ||
+      !hitElementEnd ||
+      hitElementStart !== hitElementEnd ||
+      this.lastPointerUpEvent.timeStamp - this.lastPointerDownEvent.timeStamp >
+        300 ||
+      gesture.pointers.size > 1 ||
+      !isIframeLikeElement(hitElementStart) ||
+      !isIframeLikeElement(hitElementEnd) ||
+      !this.isIframeLikeElementCenter(
+        hitElementStart,
+        this.lastPointerUpEvent,
+        scenePointerStart.x,
+        scenePointerStart.y,
+      ) ||
+      !this.isIframeLikeElementCenter(
+        hitElementEnd,
+        this.lastPointerUpEvent,
+        scenePointerEnd.x,
+        scenePointerEnd.y,
+      )
+    ) {
+      return false;
+    }
+
+    const iframeLikeElement = hitElementEnd;
+
+    if (
+      this.state.activeEmbeddable?.element === iframeLikeElement &&
       this.state.activeEmbeddable?.state === "active"
     ) {
-      return;
+      return true;
     }
 
     // The delay serves two purposes
@@ -1217,31 +1318,34 @@ class App extends React.Component<AppProps, AppState> {
     //    in fullscreen mode
     setTimeout(() => {
       this.setState({
-        activeEmbeddable: { element, state: "active" },
-        selectedElementIds: { [element.id]: true },
+        activeEmbeddable: { element: iframeLikeElement, state: "active" },
+        selectedElementIds: { [iframeLikeElement.id]: true },
         newElement: null,
         selectionElement: null,
       });
     }, 100);
 
-    if (isIframeElement(element)) {
-      return;
+    if (isIframeElement(iframeLikeElement)) {
+      return true;
     }
 
-    const iframe = this.getHTMLIFrameElement(element);
+    const iframe = this.getHTMLIFrameElement(iframeLikeElement);
 
     if (!iframe?.contentWindow) {
-      return;
+      return true;
     }
 
     if (iframe.src.includes("youtube")) {
-      const state = YOUTUBE_VIDEO_STATES.get(element.id);
+      const state = YOUTUBE_VIDEO_STATES.get(iframeLikeElement.id);
       if (!state) {
-        YOUTUBE_VIDEO_STATES.set(element.id, YOUTUBE_STATES.UNSTARTED);
+        YOUTUBE_VIDEO_STATES.set(
+          iframeLikeElement.id,
+          YOUTUBE_STATES.UNSTARTED,
+        );
         iframe.contentWindow.postMessage(
           JSON.stringify({
             event: "listening",
-            id: element.id,
+            id: iframeLikeElement.id,
           }),
           "*",
         );
@@ -1278,6 +1382,8 @@ class App extends React.Component<AppProps, AppState> {
         "*",
       );
     }
+
+    return true;
   }
 
   private isIframeLikeElementCenter(
@@ -1770,8 +1876,9 @@ class App extends React.Component<AppProps, AppState> {
               }
             }}
             style={{
-              background: this.state.viewBackgroundColor,
-              filter: isDarkTheme ? THEME_FILTER : "none",
+              background: isDarkTheme
+                ? applyDarkModeFilter(this.state.viewBackgroundColor)
+                : this.state.viewBackgroundColor,
               zIndex: 2,
               border: "none",
               display: "block",
@@ -1781,7 +1888,9 @@ class App extends React.Component<AppProps, AppState> {
               fontFamily: "Assistant",
               fontSize: `${FRAME_STYLE.nameFontSize}px`,
               transform: `translate(-${FRAME_NAME_EDIT_PADDING}px, ${FRAME_NAME_EDIT_PADDING}px)`,
-              color: "var(--color-gray-80)",
+              color: isDarkTheme
+                ? FRAME_STYLE.nameColorDarkTheme
+                : FRAME_STYLE.nameColorLightTheme,
               overflow: "hidden",
               maxWidth: `${
                 document.body.clientWidth - x1 - FRAME_NAME_EDIT_PADDING
@@ -2116,6 +2225,7 @@ class App extends React.Component<AppProps, AppState> {
                             elementsPendingErasure: this.elementsPendingErasure,
                             pendingFlowchartNodes:
                               this.flowChartCreator.pendingNodes,
+                            theme: this.state.theme,
                           }}
                         />
                         {this.state.newElement && (
@@ -2136,6 +2246,7 @@ class App extends React.Component<AppProps, AppState> {
                               elementsPendingErasure:
                                 this.elementsPendingErasure,
                               pendingFlowchartNodes: null,
+                              theme: this.state.theme,
                             }}
                           />
                         )}
@@ -2216,6 +2327,10 @@ class App extends React.Component<AppProps, AppState> {
     return this.scene.getNonDeletedElements();
   };
 
+  public getSchemaMigrationRegistry = () => {
+    return this.schemaMigrationRegistry;
+  };
+
   public onInsertElements = (elements: readonly ExcalidrawElement[]) => {
     this.addElementsFromPasteOrLibrary({
       elements,
@@ -2701,46 +2816,48 @@ class App extends React.Component<AppProps, AppState> {
         },
       };
     }
-    const scene = restore(initialData, null, null, {
+    const restoredElements = restoreElements(initialData?.elements, null, {
       repairBindings: true,
       deleteInvisibleElements: true,
+      schemaMigrationRegistry: this.schemaMigrationRegistry,
     });
-    const activeTool = scene.appState.activeTool;
+    let restoredAppState = restoreAppState(initialData?.appState, null);
+    const activeTool = restoredAppState.activeTool;
 
-    if (!scene.appState.preferredSelectionTool.initialized) {
-      scene.appState.preferredSelectionTool = {
+    if (!restoredAppState.preferredSelectionTool.initialized) {
+      restoredAppState.preferredSelectionTool = {
         type:
           this.editorInterface.formFactor === "phone" ? "lasso" : "selection",
         initialized: true,
       };
     }
 
-    scene.appState = {
-      ...scene.appState,
-      theme: this.props.theme || scene.appState.theme,
+    restoredAppState = {
+      ...restoredAppState,
+      theme: this.props.theme || restoredAppState.theme,
       // we're falling back to current (pre-init) state when deciding
       // whether to open the library, to handle a case where we
       // update the state outside of initialData (e.g. when loading the app
       // with a library install link, which should auto-open the library)
-      openSidebar: scene.appState?.openSidebar || this.state.openSidebar,
+      openSidebar: restoredAppState?.openSidebar || this.state.openSidebar,
       activeTool:
         activeTool.type === "image" ||
         activeTool.type === "lasso" ||
         activeTool.type === "selection"
           ? {
               ...activeTool,
-              type: scene.appState.preferredSelectionTool.type,
+              type: restoredAppState.preferredSelectionTool.type,
             }
-          : scene.appState.activeTool,
+          : restoredAppState.activeTool,
       isLoading: false,
       toast: this.state.toast,
     };
 
     if (initialData?.scrollToContent) {
-      scene.appState = {
-        ...scene.appState,
-        ...calculateScrollCenter(scene.elements, {
-          ...scene.appState,
+      restoredAppState = {
+        ...restoredAppState,
+        ...calculateScrollCenter(restoredElements, {
+          ...restoredAppState,
           width: this.state.width,
           height: this.state.height,
           offsetTop: this.state.offsetTop,
@@ -2752,7 +2869,9 @@ class App extends React.Component<AppProps, AppState> {
     this.resetStore();
     this.resetHistory();
     this.syncActionResult({
-      ...scene,
+      elements: restoredElements,
+      appState: restoredAppState,
+      files: initialData?.files,
       captureUpdate: CaptureUpdateAction.NEVER,
     });
 
@@ -2772,7 +2891,7 @@ class App extends React.Component<AppProps, AppState> {
 
   private getFormFactor = (editorWidth: number, editorHeight: number) => {
     return (
-      this.props.UIOptions.formFactor ??
+      this.props.UIOptions.getFormFactor?.(editorWidth, editorHeight) ??
       getFormFactor(editorWidth, editorHeight)
     );
   };
@@ -2796,10 +2915,7 @@ class App extends React.Component<AppProps, AppState> {
         ? this.props.UIOptions.dockedSidebarBreakpoint
         : MQ_RIGHT_SIDEBAR_MIN_WIDTH;
     const nextEditorInterface = updateObject(this.editorInterface, {
-      desktopUIMode:
-        this.props.UIOptions.desktopUIMode ??
-        storedDesktopUIMode ??
-        this.editorInterface.desktopUIMode,
+      desktopUIMode: storedDesktopUIMode ?? this.editorInterface.desktopUIMode,
       formFactor: this.getFormFactor(editorWidth, editorHeight),
       userAgent: userAgentDescriptor,
       canFitSidebar: editorWidth > sidebarBreakpoint,
@@ -3115,6 +3231,12 @@ class App extends React.Component<AppProps, AppState> {
   }
 
   componentDidUpdate(prevProps: AppProps, prevState: AppState) {
+    if (prevProps.schemaPlugins !== this.props.schemaPlugins) {
+      this.schemaMigrationRegistry = createSchemaMigrationRegistry(
+        this.props.schemaPlugins,
+      );
+    }
+
     this.updateEmbeddables();
     const elements = this.scene.getElementsIncludingDeleted();
     const elementsMap = this.scene.getElementsMapIncludingDeleted();
@@ -3178,6 +3300,7 @@ class App extends React.Component<AppProps, AppState> {
     ) {
       setEraserCursor(this.interactiveCanvas, this.state.theme);
     }
+
     // Hide hyperlink popup if shown when element type is not selection
     if (
       prevState.activeTool.type === "selection" &&
@@ -3617,6 +3740,7 @@ class App extends React.Component<AppProps, AppState> {
   }) => {
     const elements = restoreElements(opts.elements, null, {
       deleteInvisibleElements: true,
+      schemaMigrationRegistry: this.schemaMigrationRegistry,
     });
     const [minX, minY, maxX, maxY] = getCommonBounds(elements);
 
@@ -4728,8 +4852,12 @@ class App extends React.Component<AppProps, AppState> {
       }
 
       // Handle Alt key for bind mode
-      if (event.key === KEYS.ALT && getFeatureFlag("COMPLEX_BINDINGS")) {
-        this.handleSkipBindMode();
+      if (event.key === KEYS.ALT) {
+        if (getFeatureFlag("COMPLEX_BINDINGS")) {
+          this.handleSkipBindMode();
+        } else {
+          maybeHandleArrowPointlikeDrag({ app: this, event });
+        }
       }
 
       if (this.actionManager.handleKeyDown(event)) {
@@ -4745,7 +4873,11 @@ class App extends React.Component<AppProps, AppState> {
           this.resetDelayedBindMode();
         }
 
-        this.setState({ isBindingEnabled: false });
+        flushSync(() => {
+          this.setState({ isBindingEnabled: false });
+        });
+
+        maybeHandleArrowPointlikeDrag({ app: this, event });
       }
 
       if (isArrowKey(event.key)) {
@@ -4925,6 +5057,8 @@ class App extends React.Component<AppProps, AppState> {
         if (
           event.key === KEYS.G &&
           (hasBackground(this.state.activeTool.type) ||
+            this.state.activeTool.type === "frame" ||
+            selectedElements.some((element) => isFrameElement(element)) ||
             selectedElements.some((element) => hasBackground(element.type)))
         ) {
           this.setState({ openPopup: "elementBackground" });
@@ -5018,6 +5152,11 @@ class App extends React.Component<AppProps, AppState> {
       }
       isHoldingSpace = false;
     }
+
+    if (event.key === KEYS.ALT) {
+      maybeHandleArrowPointlikeDrag({ app: this, event });
+    }
+
     if (
       (event.key === KEYS.ALT && this.state.bindMode === "skip") ||
       (!event[KEYS.CTRL_OR_CMD] && !isBindingEnabled(this.state))
@@ -5028,7 +5167,7 @@ class App extends React.Component<AppProps, AppState> {
       });
 
       // Restart the timer if we're creating/editing a linear element and hovering over an element
-      if (this.lastPointerMoveEvent) {
+      if (this.lastPointerMoveEvent && getFeatureFlag("COMPLEX_BINDINGS")) {
         const scenePointer = viewportCoordsToSceneCoords(
           {
             clientX: this.lastPointerMoveEvent.clientX,
@@ -5049,14 +5188,18 @@ class App extends React.Component<AppProps, AppState> {
             this.scene.getNonDeletedElementsMap(),
           );
 
-          if (isBindingElement(element) && getFeatureFlag("COMPLEX_BINDINGS")) {
+          if (isBindingElement(element)) {
             this.handleDelayedBindModeChange(element, hoveredElement);
           }
         }
       }
     }
     if (!event[KEYS.CTRL_OR_CMD] && !this.state.isBindingEnabled) {
-      this.setState({ isBindingEnabled: true });
+      flushSync(() => {
+        this.setState({ isBindingEnabled: true });
+      });
+
+      maybeHandleArrowPointlikeDrag({ app: this, event });
     }
     if (isArrowKey(event.key)) {
       bindOrUnbindBindingElements(
@@ -6369,15 +6512,28 @@ class App extends React.Component<AppProps, AppState> {
       // and point
       const { newElement } = this.state;
       if (!newElement && isBindingEnabled(this.state)) {
+        const globalPoint = pointFrom<GlobalPoint>(
+          scenePointerX,
+          scenePointerY,
+        );
+        const elementsMap = this.scene.getNonDeletedElementsMap();
         const hoveredElement = getHoveredElementForBinding(
-          pointFrom<GlobalPoint>(scenePointerX, scenePointerY),
+          globalPoint,
           this.scene.getNonDeletedElements(),
-          this.scene.getNonDeletedElementsMap(),
-          (el) => maxBindingDistance_simple(this.state.zoom),
+          elementsMap,
+          maxBindingDistance_simple(this.state.zoom),
         );
         if (hoveredElement) {
           this.setState({
-            suggestedBinding: hoveredElement,
+            suggestedBinding: {
+              element: hoveredElement,
+              midPoint: getSnapOutlineMidPoint(
+                globalPoint,
+                hoveredElement,
+                elementsMap,
+                this.state.zoom,
+              ),
+            },
           });
         } else if (this.state.suggestedBinding) {
           this.setState({
@@ -6404,7 +6560,7 @@ class App extends React.Component<AppProps, AppState> {
             pointFrom<GlobalPoint>(scenePointerX, scenePointerY),
             this.scene.getNonDeletedElements(),
             this.scene.getNonDeletedElementsMap(),
-            (el) => maxBindingDistance_simple(this.state.zoom),
+            maxBindingDistance_simple(this.state.zoom),
           );
         if (hoveredElement) {
           this.actionManager.executeAction(actionFinalize, "ui", {
@@ -6558,26 +6714,33 @@ class App extends React.Component<AppProps, AppState> {
         pointFrom<GlobalPoint>(scenePointerX, scenePointerY),
         this.scene.getNonDeletedElements(),
         this.scene.getNonDeletedElementsMap(),
-        (el) => maxBindingDistance_simple(this.state.zoom),
+        maxBindingDistance_simple(this.state.zoom),
       );
-      if (
-        hit &&
-        !isPointInElement(
-          pointFrom<GlobalPoint>(scenePointerX, scenePointerY),
-          hit,
-          this.scene.getNonDeletedElementsMap(),
-        )
-      ) {
+      const scenePointer = pointFrom<GlobalPoint>(scenePointerX, scenePointerY);
+      const elementsMap = this.scene.getNonDeletedElementsMap();
+      if (hit && !isPointInElement(scenePointer, hit, elementsMap)) {
         this.setState({
-          suggestedBinding: hit,
+          suggestedBinding: {
+            element: hit,
+            midPoint: getSnapOutlineMidPoint(
+              scenePointer,
+              hit,
+              elementsMap,
+              this.state.zoom,
+            ),
+          },
         });
       }
     }
 
-    const hasDeselectedButton = Boolean(event.buttons);
+    const isPressingAnyButton = Boolean(event.buttons);
+    const isLaserTool = this.state.activeTool.type === "laser";
     if (
-      hasDeselectedButton ||
-      (this.state.activeTool.type !== "selection" &&
+      isPressingAnyButton ||
+      // checking against laser so that if you mouseover with a laser tool
+      // over a link/embeddable, we change the cursor
+      (!isLaserTool &&
+        this.state.activeTool.type !== "selection" &&
         this.state.activeTool.type !== "lasso" &&
         this.state.activeTool.type !== "text" &&
         this.state.activeTool.type !== "eraser")
@@ -6697,6 +6860,14 @@ class App extends React.Component<AppProps, AppState> {
       );
     } else {
       hideHyperlinkToolip();
+      if (isLaserTool) {
+        this.handleIframeLikeElementHover({
+          hitElement,
+          scenePointer,
+          moveEvent: event,
+        });
+        return;
+      }
       if (
         hitElement &&
         (hitElement.link || isEmbeddableElement(hitElement)) &&
@@ -6729,24 +6900,15 @@ class App extends React.Component<AppProps, AppState> {
           !hitElement?.locked
         ) {
           if (
-            hitElement &&
-            isIframeLikeElement(hitElement) &&
-            this.isIframeLikeElementCenter(
+            !this.handleIframeLikeElementHover({
               hitElement,
-              event,
-              scenePointerX,
-              scenePointerY,
-            )
-          ) {
-            setCursor(this.interactiveCanvas, CURSOR_TYPE.POINTER);
-            this.setState({
-              activeEmbeddable: { element: hitElement, state: "hover" },
-            });
-          } else if (
-            !hitElement ||
-            // Elbow arrows can only be moved when unconnected
-            !isElbowArrow(hitElement) ||
-            !(hitElement.startBinding || hitElement.endBinding)
+              scenePointer,
+              moveEvent: event,
+            }) &&
+            (!hitElement ||
+              // Elbow arrows can only be moved when unconnected
+              !isElbowArrow(hitElement) ||
+              !(hitElement.startBinding || hitElement.endBinding))
           ) {
             if (
               this.state.activeTool.type !== "lasso" ||
@@ -6754,9 +6916,6 @@ class App extends React.Component<AppProps, AppState> {
             ) {
               setCursor(this.interactiveCanvas, CURSOR_TYPE.MOVE);
             }
-            if (this.state.activeEmbeddable?.state === "hover") {
-              this.setState({ activeEmbeddable: null });
-            }
           }
         }
       } else {
@@ -6917,6 +7076,37 @@ class App extends React.Component<AppProps, AppState> {
           },
         });
       }
+
+      // Check for focus point hover
+      let hoveredFocusPointBinding: "start" | "end" | null = null;
+      const arrow = element as any;
+      if (arrow.startBinding || arrow.endBinding) {
+        hoveredFocusPointBinding = handleFocusPointHover(
+          element as ExcalidrawArrowElement,
+          scenePointerX,
+          scenePointerY,
+          this.scene,
+          this.state,
+        );
+      }
+
+      if (
+        this.state.selectedLinearElement.hoveredFocusPointBinding !==
+        hoveredFocusPointBinding
+      ) {
+        this.setState({
+          selectedLinearElement: {
+            ...this.state.selectedLinearElement,
+            isDragging: false,
+            hoveredFocusPointBinding,
+          },
+        });
+      }
+
+      // Set cursor to pointer when hovering over a focus point
+      if (hoveredFocusPointBinding) {
+        setCursor(this.interactiveCanvas, CURSOR_TYPE.POINTER);
+      }
     } else {
       setCursor(this.interactiveCanvas, CURSOR_TYPE.AUTO);
     }
@@ -7377,26 +7567,9 @@ class App extends React.Component<AppProps, AppState> {
       x: scenePointerX,
       y: scenePointerY,
     };
-    const clicklength =
-      event.timeStamp - (this.lastPointerDownEvent?.timeStamp ?? 0);
 
-    if (this.editorInterface.formFactor === "phone" && clicklength < 300) {
-      const hitElement = this.getElementAtPosition(
-        scenePointer.x,
-        scenePointer.y,
-      );
-      if (
-        isIframeLikeElement(hitElement) &&
-        this.isIframeLikeElementCenter(
-          hitElement,
-          event,
-          scenePointer.x,
-          scenePointer.y,
-        )
-      ) {
-        this.handleEmbeddableCenterClick(hitElement);
-        return;
-      }
+    if (this.handleIframeLikeCenterClick()) {
+      return;
     }
 
     if (this.editorInterface.isTouchScreen) {
@@ -7417,20 +7590,7 @@ class App extends React.Component<AppProps, AppState> {
       this.hitLinkElement &&
       !this.state.selectedElementIds[this.hitLinkElement.id]
     ) {
-      if (
-        clicklength < 300 &&
-        isIframeLikeElement(this.hitLinkElement) &&
-        !isPointHittingLinkIcon(
-          this.hitLinkElement,
-          this.scene.getNonDeletedElementsMap(),
-          this.state,
-          pointFrom(scenePointer.x, scenePointer.y),
-        )
-      ) {
-        this.handleEmbeddableCenterClick(this.hitLinkElement);
-      } else {
-        this.redirectToLink(event, this.editorInterface.isTouchScreen);
-      }
+      this.redirectToLink(event, this.editorInterface.isTouchScreen);
     } else if (this.state.viewModeEnabled) {
       this.setState({
         activeEmbeddable: null,
@@ -7838,6 +7998,37 @@ class App extends React.Component<AppProps, AppState> {
           if (ret.didAddPoint) {
             return true;
           }
+
+          // Also check at current pointer position if focus point is being hovered
+          // (in case we're clicking directly without a prior move event)
+          const elementsMap = this.scene.getNonDeletedElementsMap();
+          const arrow = LinearElementEditor.getElement(
+            linearElementEditor.elementId,
+            elementsMap,
+          ) as any;
+
+          if (arrow && isBindingElement(arrow)) {
+            const { hitFocusPoint, pointerOffset } =
+              handleFocusPointPointerDown(
+                arrow,
+                pointerDownState,
+                elementsMap,
+                this.state,
+              );
+
+            // If focus point is hit, update state and prevent element selection
+            if (hitFocusPoint) {
+              this.setState({
+                selectedLinearElement: {
+                  ...linearElementEditor,
+                  hoveredFocusPointBinding: hitFocusPoint,
+                  draggedFocusPointBinding: hitFocusPoint,
+                  pointerOffset,
+                },
+              });
+              return false;
+            }
+          }
         }
 
         const allHitElements = this.getElementsAtPosition(
@@ -8650,6 +8841,7 @@ class App extends React.Component<AppProps, AppState> {
               selectedPointsIndices: [endIdx],
               initialState: {
                 ...linearElementEditor.initialState,
+                arrowStartIsInside: event.altKey,
                 lastClickedPoint: endIdx,
                 origin: pointFrom<GlobalPoint>(
                   pointerDownState.origin.x,
@@ -8668,7 +8860,18 @@ class App extends React.Component<AppProps, AppState> {
             bindMode: "orbit",
             newElement: element,
             startBoundElement: boundElement,
-            suggestedBinding: boundElement || null,
+            suggestedBinding:
+              boundElement && isBindingElement(element)
+                ? {
+                    element: boundElement,
+                    midPoint: getSnapOutlineMidPoint(
+                      point,
+                      boundElement,
+                      elementsMap,
+                      this.state.zoom,
+                    ),
+                  }
+                : null,
             selectedElementIds: nextSelectedElementIds,
             selectedLinearElement: linearElementEditor,
           };
@@ -8930,8 +9133,8 @@ class App extends React.Component<AppProps, AppState> {
       }
 
       const lastPointerCoords =
-        this.lastPointerMoveCoords ?? pointerDownState.origin;
-      this.lastPointerMoveCoords = pointerCoords;
+        this.previousPointerMoveCoords ?? pointerDownState.origin;
+      this.previousPointerMoveCoords = pointerCoords;
 
       // We need to initialize dragOffsetXY only after we've updated
       // `state.selectedElementIds` on pointerDown. Doing it here in pointerMove
@@ -8985,6 +9188,31 @@ class App extends React.Component<AppProps, AppState> {
       if (this.state.selectedLinearElement) {
         const linearElementEditor = this.state.selectedLinearElement;
 
+        // Handle focus point dragging if needed
+        if (linearElementEditor.draggedFocusPointBinding) {
+          handleFocusPointDrag(
+            linearElementEditor,
+            elementsMap,
+            pointerCoords,
+            this.scene,
+            this.state,
+            this.getEffectiveGridSize(),
+            event.altKey,
+          );
+          this.setState({
+            selectedLinearElement: {
+              ...linearElementEditor,
+              isDragging: false,
+              selectedPointsIndices: [],
+              initialState: {
+                ...linearElementEditor.initialState,
+                lastClickedPoint: -1,
+              },
+            },
+          });
+          return;
+        }
+
         if (
           LinearElementEditor.shouldAddMidpoint(
             this.state.selectedLinearElement,
@@ -9223,14 +9451,21 @@ class App extends React.Component<AppProps, AppState> {
                 this.imageCache.get(croppingElement.fileId)?.image;
 
               if (image && !(image instanceof Promise)) {
-                const instantDragOffset = vectorScale(
-                  vector(
-                    pointerCoords.x - lastPointerCoords.x,
-                    pointerCoords.y - lastPointerCoords.y,
-                  ),
-                  Math.max(this.state.zoom.value, 2),
+                const uncroppedSize =
+                  getUncroppedWidthAndHeight(croppingElement);
+                const instantDragOffset = vector(
+                  pointerCoords.x - lastPointerCoords.x,
+                  pointerCoords.y - lastPointerCoords.y,
                 );
 
+                // to reduce cursor:image drift, we need to take into account
+                // the canvas image element scaling so we can accurately
+                // track the pixels on movement
+                instantDragOffset[0] *=
+                  image.naturalWidth / uncroppedSize.width;
+                instantDragOffset[1] *=
+                  image.naturalHeight / uncroppedSize.height;
+
                 const [x1, y1, x2, y2, cx, cy] = getElementAbsoluteCoords(
                   croppingElement,
                   elementsMap,
@@ -9273,13 +9508,13 @@ class App extends React.Component<AppProps, AppState> {
                 const nextCrop = {
                   ...crop,
                   x: clamp(
-                    crop.x +
+                    crop.x -
                       offsetVector[0] * Math.sign(croppingElement.scale[0]),
                     0,
                     image.naturalWidth - crop.width,
                   ),
                   y: clamp(
-                    crop.y +
+                    crop.y -
                       offsetVector[1] * Math.sign(croppingElement.scale[1]),
                     0,
                     image.naturalHeight - crop.height,
@@ -9772,6 +10007,7 @@ class App extends React.Component<AppProps, AppState> {
 
       // just in case, tool changes mid drag, always clean up
       this.lassoTrail.endPath();
+      this.previousPointerMoveCoords = null;
 
       SnapCache.setReferenceSnapPoints(null);
       SnapCache.setVisibleGaps(null);
@@ -9853,12 +10089,14 @@ class App extends React.Component<AppProps, AppState> {
       // and sets binding element
       if (
         this.state.selectedLinearElement?.isEditing &&
-        !this.state.newElement
+        !this.state.newElement &&
+        this.state.selectedLinearElement.draggedFocusPointBinding === null
       ) {
         if (
           !pointerDownState.boxSelection.hasOccurred &&
           pointerDownState.hit?.element?.id !==
-            this.state.selectedLinearElement.elementId
+            this.state.selectedLinearElement.elementId &&
+          this.state.selectedLinearElement.draggedFocusPointBinding === null
         ) {
           this.actionManager.executeAction(actionFinalize);
         } else {
@@ -9894,7 +10132,18 @@ class App extends React.Component<AppProps, AppState> {
           }
         }
 
-        if (
+        if (this.state.selectedLinearElement.draggedFocusPointBinding) {
+          handleFocusPointPointerUp(
+            this.state.selectedLinearElement,
+            this.scene,
+          );
+          this.setState({
+            selectedLinearElement: {
+              ...this.state.selectedLinearElement,
+              draggedFocusPointBinding: null,
+            },
+          });
+        } else if (
           pointerDownState.hit?.element?.id !==
           this.state.selectedLinearElement.elementId
         ) {
@@ -9904,6 +10153,12 @@ class App extends React.Component<AppProps, AppState> {
             this.setState({ selectedLinearElement: null });
           }
         } else if (this.state.selectedLinearElement.isDragging) {
+          this.setState({
+            selectedLinearElement: {
+              ...this.state.selectedLinearElement,
+              isDragging: false,
+            },
+          });
           this.actionManager.executeAction(actionFinalize, "ui", {
             event: childEvent,
             sceneCoords,
@@ -10046,7 +10301,7 @@ class App extends React.Component<AppProps, AppState> {
             });
           }
         } else if (pointerDownState.drag.hasOccurred && !multiElement) {
-          if (isBindingElement(newElement, false)) {
+          if (isLinearElement(newElement)) {
             this.actionManager.executeAction(actionFinalize, "ui", {
               event: childEvent,
               sceneCoords,
@@ -10678,25 +10933,6 @@ class App extends React.Component<AppProps, AppState> {
           suggestedBinding: null,
         });
       }
-
-      if (
-        hitElement &&
-        this.lastPointerUpEvent &&
-        this.lastPointerDownEvent &&
-        this.lastPointerUpEvent.timeStamp -
-          this.lastPointerDownEvent.timeStamp <
-          300 &&
-        gesture.pointers.size <= 1 &&
-        isIframeLikeElement(hitElement) &&
-        this.isIframeLikeElementCenter(
-          hitElement,
-          this.lastPointerUpEvent,
-          pointerDownState.origin.x,
-          pointerDownState.origin.y,
-        )
-      ) {
-        this.handleEmbeddableCenterClick(hitElement);
-      }
     });
   }
 
@@ -11211,6 +11447,7 @@ class App extends React.Component<AppProps, AppState> {
             this.state,
             this.scene.getElementsIncludingDeleted(),
             fileHandle,
+            this.schemaMigrationRegistry,
           );
           this.syncActionResult({
             ...scene,
@@ -11257,7 +11494,11 @@ class App extends React.Component<AppProps, AppState> {
           );
           // legacy library dataTransfer format
         } else if (excalidrawLibrary_data) {
-          libraryItems = parseLibraryJSON(excalidrawLibrary_data);
+          libraryItems = parseLibraryJSON(
+            excalidrawLibrary_data,
+            "unpublished",
+            this.schemaMigrationRegistry,
+          );
         }
         if (libraryItems?.length) {
           libraryItems = libraryItems.map((item) => ({
@@ -11327,6 +11568,7 @@ class App extends React.Component<AppProps, AppState> {
           this.state,
           elements,
           fileHandle,
+          this.schemaMigrationRegistry,
         );
       } catch (error: any) {
         const imageSceneDataError = error instanceof ImageSceneDataError;

packages/excalidraw/components/Avatar.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .Avatar {

packages/excalidraw/components/Button.scss

@@ -1,4 +1,4 @@
-@import "../css/theme";
+@use "../css/theme" as *;
 
 .excalidraw {
   .excalidraw-button {

packages/excalidraw/components/ButtonIcon.scss

@@ -1,4 +1,4 @@
-@import "../css/theme";
+@use "../css/theme" as *;
 
 .excalidraw {
   button.standalone {

packages/excalidraw/components/Card.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module.scss" as *;
 
 .excalidraw {
   .Card {
@@ -19,7 +19,7 @@
       padding: 1.4rem;
       border-radius: 50%;
       background: var(--card-color);
-      color: $oc-white;
+      color: #fff;
 
       svg {
         width: 2.8rem;
@@ -46,7 +46,7 @@
         background-color: var(--card-color-darkest);
       }
       .ToolIcon__label {
-        color: $oc-white;
+        color: #fff;
       }
 
       .Spinner {

packages/excalidraw/components/Card.tsx

@@ -1,25 +1,35 @@
-import OpenColor from "open-color";
-
 import "./Card.scss";
 
+// for open-color see https://github.com/yeun/open-color/blob/master/open-color.scss
+const COLOR_MAP = {
+  primary: {
+    base: "var(--color-primary)",
+    darker: "var(--color-primary-darker)",
+    darkest: "var(--color-primary-darkest)",
+  },
+  lime: {
+    base: "#74b816", // open-color lime[7]
+    darker: "#66a80f", // open-color lime[8]
+    darkest: "#5c940d", // open-color lime[9]
+  },
+  pink: {
+    base: "#d6336c", // open-color pink[7]
+    darker: "#c2255c", // open-color pink[8]
+    darkest: "#a61e4d", // open-color pink[9]
+  },
+};
+
 export const Card: React.FC<{
-  color: keyof OpenColor | "primary";
+  color: "primary" | "lime" | "pink";
   children?: React.ReactNode;
 }> = ({ children, color }) => {
   return (
     <div
       className="Card"
       style={{
-        ["--card-color" as any]:
-          color === "primary" ? "var(--color-primary)" : OpenColor[color][7],
-        ["--card-color-darker" as any]:
-          color === "primary"
-            ? "var(--color-primary-darker)"
-            : OpenColor[color][8],
-        ["--card-color-darkest" as any]:
-          color === "primary"
-            ? "var(--color-primary-darkest)"
-            : OpenColor[color][9],
+        ["--card-color" as any]: COLOR_MAP[color].base,
+        ["--card-color-darker" as any]: COLOR_MAP[color].darker,
+        ["--card-color-darkest" as any]: COLOR_MAP[color].darkest,
       }}
     >
       {children}

packages/excalidraw/components/CheckboxItem.scss

@@ -1,4 +1,5 @@
-@import "../css/variables.module.scss";
+@use "sass:color";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .Checkbox {
@@ -12,7 +13,7 @@
     -webkit-tap-highlight-color: transparent;
 
     &:hover:not(.is-checked) .Checkbox-box:not(:focus) {
-      box-shadow: 0 0 0 2px #{$oc-blue-4};
+      box-shadow: 0 0 0 2px #{$color-blue-4};
     }
 
     &:hover:not(.is-checked) .Checkbox-box:not(:focus) {
@@ -24,25 +25,25 @@
 
     &:active {
       .Checkbox-box {
-        box-shadow: 0 0 2px 1px inset #{$oc-blue-7} !important;
+        box-shadow: 0 0 2px 1px inset #{$color-blue-7} !important;
       }
     }
 
     &:hover {
       .Checkbox-box {
-        background-color: fade-out($oc-blue-1, 0.8);
+        background-color: color.adjust($color-blue-1, $alpha: -0.8);
       }
     }
 
     &.is-checked {
       .Checkbox-box {
-        background-color: #{$oc-blue-1};
+        background-color: #{$color-blue-1};
         svg {
           display: block;
         }
       }
       &:hover .Checkbox-box {
-        background-color: #{$oc-blue-2};
+        background-color: #{$color-blue-2};
       }
     }
 
@@ -58,16 +59,16 @@
       align-items: center;
       justify-content: center;
 
-      box-shadow: 0 0 0 2px #{$oc-blue-7};
+      box-shadow: 0 0 0 2px #{$color-blue-7};
       background-color: transparent;
       border-radius: 4px;
 
-      color: #{$oc-blue-7};
+      color: #{$color-blue-7};
 
       border: 0;
 
       &:focus {
-        box-shadow: 0 0 0 3px #{$oc-blue-7};
+        box-shadow: 0 0 0 3px #{$color-blue-7};
       }
 
       svg {

packages/excalidraw/components/ColorPicker/ColorInput.tsx

@@ -1,7 +1,7 @@
 import clsx from "clsx";
 import { useCallback, useEffect, useRef, useState } from "react";
 
-import { KEYS } from "@excalidraw/common";
+import { KEYS, normalizeInputColor } from "@excalidraw/common";
 
 import { getShortcutKey } from "../..//shortcut";
 import { useAtom } from "../../editor-jotai";
@@ -10,26 +10,23 @@ import { useEditorInterface } from "../App";
 import { activeEyeDropperAtom } from "../EyeDropper";
 import { eyeDropperIcon } from "../icons";
 
-import { getColor } from "./ColorPicker";
 import { activeColorPickerSectionAtom } from "./colorPickerUtils";
 
 import type { ColorPickerType } from "./colorPickerUtils";
 
-interface ColorInputProps {
-  color: string;
-  onChange: (color: string) => void;
-  label: string;
-  colorPickerType: ColorPickerType;
-  placeholder?: string;
-}
-
 export const ColorInput = ({
   color,
   onChange,
   label,
   colorPickerType,
   placeholder,
-}: ColorInputProps) => {
+}: {
+  color: string;
+  onChange: (color: string) => void;
+  label: string;
+  colorPickerType: ColorPickerType;
+  placeholder?: string;
+}) => {
   const editorInterface = useEditorInterface();
   const [innerValue, setInnerValue] = useState(color);
   const [activeSection, setActiveColorPickerSection] = useAtom(
@@ -43,7 +40,7 @@ export const ColorInput = ({
   const changeColor = useCallback(
     (inputValue: string) => {
       const value = inputValue.toLowerCase();
-      const color = getColor(value);
+      const color = normalizeInputColor(value);
 
       if (color) {
         onChange(color);

packages/excalidraw/components/ColorPicker/ColorPicker.scss

@@ -1,4 +1,5 @@
-@import "../../css/variables.module.scss";
+@use "sass:color";
+@use "../../css/variables.module" as *;
 
 .excalidraw {
   .focus-visible-none {
@@ -185,8 +186,8 @@
 
   .color-picker {
     background: var(--popup-bg-color);
-    border: 0 solid transparentize($oc-white, 0.75);
-    box-shadow: transparentize($oc-black, 0.75) 0 1px 4px;
+    border: 0 solid color.adjust(#fff, $alpha: -0.75);
+    box-shadow: color.adjust(#000, $alpha: -0.75) 0 1px 4px;
     border-radius: 4px;
     position: absolute;
 
@@ -243,7 +244,7 @@
   }
 
   .color-picker-triangle-shadow {
-    border-color: transparent transparent transparentize($oc-black, 0.9);
+    border-color: transparent transparent color.adjust(#000, $alpha: -0.9);
 
     :root[dir="ltr"] & {
       left: -14px;
@@ -280,7 +281,7 @@
     padding: 0.25rem;
 
     &-title {
-      color: $oc-gray-6;
+      color: $color-gray-6;
       font-size: 12px;
       padding: 0 0.25rem;
     }
@@ -319,7 +320,7 @@
 
   .color-picker-transparent {
     border-radius: 4px;
-    box-shadow: transparentize($oc-black, 0.9) 0 0 0 1px inset;
+    box-shadow: color.adjust(#000, $alpha: -0.9) 0 0 0 1px inset;
     position: absolute;
     top: 0;
     right: 0;
@@ -473,7 +474,7 @@
   }
 
   .color-picker-type-elementBackground .color-picker-keybinding {
-    color: $oc-white;
+    color: #fff;
   }
 
   .color-picker-swatch[aria-label="transparent"] .color-picker-keybinding {
@@ -486,10 +487,10 @@
 
   &.theme--dark {
     .color-picker-type-elementBackground .color-picker-keybinding {
-      color: $oc-black;
+      color: #000;
     }
     .color-picker-swatch[aria-label="transparent"] .color-picker-keybinding {
-      color: $oc-black;
+      color: #000;
     }
   }
 }

packages/excalidraw/components/ColorPicker/ColorPicker.tsx

@@ -1,11 +1,11 @@
-import * as Popover from "@radix-ui/react-popover";
+import { Popover } from "radix-ui";
 import clsx from "clsx";
 import { useRef, useEffect } from "react";
 
 import {
   COLOR_OUTLINE_CONTRAST_THRESHOLD,
   COLOR_PALETTE,
-  isTransparent,
+  isColorDark,
   isWritableElement,
 } from "@excalidraw/common";
 
@@ -30,7 +30,7 @@ import { ColorInput } from "./ColorInput";
 import { Picker } from "./Picker";
 import PickerHeading from "./PickerHeading";
 import { TopPicks } from "./TopPicks";
-import { activeColorPickerSectionAtom, isColorDark } from "./colorPickerUtils";
+import { activeColorPickerSectionAtom } from "./colorPickerUtils";
 
 import "./ColorPicker.scss";
 
@@ -38,27 +38,6 @@ import type { ColorPickerType } from "./colorPickerUtils";
 
 import type { AppState } from "../../types";
 
-const isValidColor = (color: string) => {
-  const style = new Option().style;
-  style.color = color;
-  return !!style.color;
-};
-
-export const getColor = (color: string): string | null => {
-  if (isTransparent(color)) {
-    return color;
-  }
-
-  // testing for `#` first fixes a bug on Electron (more specfically, an
-  // Obsidian popout window), where a hex color without `#` is (incorrectly)
-  // considered valid
-  return isValidColor(`#${color}`)
-    ? `#${color}`
-    : isValidColor(color)
-    ? color
-    : null;
-};
-
 interface ColorPickerProps {
   type: ColorPickerType;
   /**

packages/excalidraw/components/ColorPicker/HotkeyLabel.tsx

@@ -1,6 +1,5 @@
 import React from "react";
-
-import { isColorDark } from "./colorPickerUtils";
+import { isColorDark } from "@excalidraw/common";
 
 interface HotkeyLabelProps {
   color: string;

packages/excalidraw/components/ColorPicker/TopPicks.tsx

@@ -5,10 +5,9 @@ import {
   DEFAULT_CANVAS_BACKGROUND_PICKS,
   DEFAULT_ELEMENT_BACKGROUND_PICKS,
   DEFAULT_ELEMENT_STROKE_PICKS,
+  isColorDark,
 } from "@excalidraw/common";
 
-import { isColorDark } from "./colorPickerUtils";
-
 import type { ColorPickerType } from "./colorPickerUtils";
 
 interface TopPicksProps {

packages/excalidraw/components/ColorPicker/colorPickerUtils.ts

@@ -96,63 +96,6 @@ export type ActiveColorPickerSectionAtomType =
 export const activeColorPickerSectionAtom =
   atom<ActiveColorPickerSectionAtomType>(null);
 
-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 (color === "transparent") {
-    return false;
-  }
-
-  // a string color (white etc) or any other format -> convert to rgb by way
-  // of creating a DOM node and retrieving the computeStyle
-  if (!color.startsWith("#")) {
-    const node = document.createElement("div");
-    node.style.color = color;
-
-    if (node.style.color) {
-      // making invisible so document doesn't reflow (hopefully).
-      // display=none works too, but supposedly not in all browsers
-      node.style.position = "absolute";
-      node.style.visibility = "hidden";
-      node.style.width = "0";
-      node.style.height = "0";
-
-      // needs to be in DOM else browser won't compute the style
-      document.body.appendChild(node);
-      const computedColor = getComputedStyle(node).color;
-      document.body.removeChild(node);
-      // computed style is in rgb() format
-      const rgb = computedColor
-        .replace(/^(rgb|rgba)\(/, "")
-        .replace(/\)$/, "")
-        .replace(/\s/g, "")
-        .split(",");
-      const r = parseInt(rgb[0]);
-      const g = parseInt(rgb[1]);
-      const b = parseInt(rgb[2]);
-
-      return calculateContrast(r, g, b) < threshold;
-    }
-    // invalid color -> assume it default to black
-    return true;
-  }
-
-  const r = parseInt(color.slice(1, 3), 16);
-  const g = parseInt(color.slice(3, 5), 16);
-  const b = parseInt(color.slice(5, 7), 16);
-
-  return calculateContrast(r, g, b) < threshold;
-};
-
 export type ColorPickerType =
   | "canvasBackground"
   | "elementBackground"

packages/excalidraw/components/CommandPalette/CommandPalette.scss

@@ -1,4 +1,4 @@
-@import "../../css/variables.module.scss";
+@use "../../css/variables.module" as *;
 
 $verticalBreakpoint: 861px;
 

packages/excalidraw/components/CommandPalette/CommandPalette.tsx

@@ -44,7 +44,6 @@ import { getSelectedElements } from "../../scene";
 import {
   LockedIcon,
   UnlockedIcon,
-  clockIcon,
   searchIcon,
   boltIcon,
   bucketFillIcon,
@@ -52,6 +51,7 @@ import {
   mermaidLogoIcon,
   brainIconThin,
   LibraryIcon,
+  historyCommandIcon,
 } from "../icons";
 
 import { SHAPES } from "../shapes";
@@ -928,7 +928,7 @@ function CommandPaletteInner({
                   marginLeft: "6px",
                 }}
               >
-                {clockIcon}
+                {historyCommandIcon}
               </div>
             </div>
             <CommandItem

packages/excalidraw/components/ConfirmDialog.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .confirm-dialog {

packages/excalidraw/components/ContextMenu.scss

@@ -1,4 +1,5 @@
-@import "../css/variables.module.scss";
+@use "sass:color";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .context-menu-popover {
@@ -8,7 +9,7 @@
   .context-menu {
     position: relative;
     border-radius: 4px;
-    box-shadow: 0 3px 10px transparentize($oc-black, 0.8);
+    box-shadow: 0 3px 10px color.adjust(#000, $alpha: -0.8);
     padding: 0;
     list-style: none;
     user-select: none;
@@ -49,7 +50,7 @@
 
     &.dangerous {
       .context-menu-item__label {
-        color: $oc-red-7;
+        color: $color-red-7;
       }
     }
 
@@ -73,7 +74,7 @@
       .context-menu-item__label {
         color: var(--popup-bg-color);
       }
-      background-color: $oc-red-6;
+      background-color: $color-red-6;
     }
   }
 
@@ -97,6 +98,6 @@
 
   .context-menu-item-separator {
     border: none;
-    border-top: 1px solid $oc-gray-5;
+    border-top: 1px solid $color-gray-5;
   }
 }

packages/excalidraw/components/ConvertElementTypePopup.scss

@@ -1,4 +1,4 @@
-@import "../css//variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .ConvertElementTypePopup {

packages/excalidraw/components/Dialog.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .Dialog {

packages/excalidraw/components/ElementLinkDialog.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .ElementLinkDialog {
@@ -59,7 +59,7 @@
       }
 
       .ElementLinkDialog__remove {
-        color: $oc-red-9;
+        color: $color-red-9;
         margin-left: 1rem;
 
         .ToolIcon__icon {
@@ -68,7 +68,7 @@
         }
 
         .ToolIcon__icon svg {
-          color: $oc-red-6;
+          color: $color-red-6;
         }
       }
     }

packages/excalidraw/components/ExportDialog.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .ExportDialog__preview {
@@ -112,7 +112,7 @@
 
     font-family: Cascadia;
     font-size: 1.8em;
-    color: $oc-white;
+    color: #fff;
 
     &:hover {
       background-color: var(--button-color-darker);

packages/excalidraw/components/FilledButton.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 @keyframes successStatusAnimation {
   0% {
@@ -24,6 +24,14 @@
     background-color: var(--back-color);
     border-color: var(--border-color);
 
+    border-radius: 0.5rem;
+    border-width: 1px;
+    border-style: solid;
+
+    font-family: var(--font-family);
+
+    user-select: none;
+
     &:hover {
       transition: all 150ms ease-out;
     }
@@ -45,6 +53,7 @@
     &.ExcButton--status-loading,
     &.ExcButton--status-success {
       pointer-events: none;
+      background-color: var(--color-success);
 
       .ExcButton__contents {
         visibility: hidden;
@@ -52,7 +61,19 @@
     }
 
     &[disabled] {
-      pointer-events: none;
+      cursor: not-allowed;
+
+      &.ExcButton--variant-filled,
+      &:hover {
+        --back-color: var(--color-surface-low) !important;
+        --text-color: var(--color-on-surface-variant) !important;
+      }
+
+      &.ExcButton--variant-outlined,
+      &.ExcButton--variant-icon {
+        --text-color: var(--color-on-surface-variant);
+        --border-color: var(--color-surface-high);
+      }
     }
 
     &,
@@ -266,14 +287,6 @@
       }
     }
 
-    border-radius: 0.5rem;
-    border-width: 1px;
-    border-style: solid;
-
-    font-family: var(--font-family);
-
-    user-select: none;
-
     &--size-large {
       font-weight: 600;
       font-size: 0.875rem;

packages/excalidraw/components/FilledButton.tsx

@@ -33,6 +33,7 @@ export type FilledButtonProps = {
   fullWidth?: boolean;
 
   icon?: React.ReactNode;
+  disabled?: boolean;
 };
 
 export const FilledButton = forwardRef<HTMLButtonElement, FilledButtonProps>(
@@ -48,6 +49,7 @@ export const FilledButton = forwardRef<HTMLButtonElement, FilledButtonProps>(
       fullWidth,
       className,
       status,
+      disabled,
     },
     ref,
   ) => {
@@ -94,7 +96,7 @@ export const FilledButton = forwardRef<HTMLButtonElement, FilledButtonProps>(
         type="button"
         aria-label={label}
         ref={ref}
-        disabled={_status === "loading" || _status === "success"}
+        disabled={disabled || _status === "loading" || _status === "success"}
       >
         <div className="ExcButton__contents">
           {_status === "loading" ? (

packages/excalidraw/components/FixedSideContainer.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .FixedSideContainer {

packages/excalidraw/components/FontPicker/FontPicker.scss

@@ -1,4 +1,4 @@
-@import "../../css/variables.module.scss";
+@use "../../css/variables.module" as *;
 
 .excalidraw {
   .FontPicker__container {

packages/excalidraw/components/FontPicker/FontPicker.test.tsx

@@ -0,0 +1,31 @@
+import { KEYS } from "@excalidraw/common";
+
+import { Excalidraw } from "../..";
+import { Keyboard } from "../../tests/helpers/ui";
+import { act, render } from "../../tests/test-utils";
+
+describe("FontPicker", () => {
+  it("should be able to open font picker", async () => {
+    (global as any).ResizeObserver =
+      (global as any).ResizeObserver ||
+      class ResizeObserver {
+        observe() {}
+        unobserve() {}
+        disconnect() {}
+      };
+
+    const { queryByTestId } = await render(
+      <Excalidraw handleKeyboardGlobally={true} />,
+    );
+
+    Keyboard.keyPress(KEYS.T);
+
+    const fontPickerTrigger = queryByTestId("font-family-show-fonts");
+
+    expect(fontPickerTrigger).not.toBeNull();
+
+    act(() => {
+      fontPickerTrigger!.click();
+    });
+  });
+});

packages/excalidraw/components/FontPicker/FontPicker.tsx

@@ -1,4 +1,4 @@
-import * as Popover from "@radix-ui/react-popover";
+import { Popover } from "radix-ui";
 import clsx from "clsx";
 import React, { useCallback, useMemo } from "react";
 

packages/excalidraw/components/FontPicker/FontPickerList.tsx

@@ -30,10 +30,12 @@ import { PropertiesPopover } from "../PropertiesPopover";
 import { QuickSearch } from "../QuickSearch";
 import { ScrollableList } from "../ScrollableList";
 import DropdownMenuGroup from "../dropdownMenu/DropdownMenuGroup";
-import DropdownMenuItem, {
+import {
   DropDownMenuItemBadgeType,
   DropDownMenuItemBadge,
 } from "../dropdownMenu/DropdownMenuItem";
+import MenuItemContent from "../dropdownMenu/DropdownMenuItemContent";
+import { getDropdownMenuItemClassName } from "../dropdownMenu/common";
 import {
   FontFamilyCodeIcon,
   FontFamilyHeadingIcon,
@@ -269,43 +271,74 @@ export const FontPickerList = React.memo(
       [filteredFonts, sceneFamilies],
     );
 
-    const renderFont = (font: FontDescriptor, index: number) => (
-      <DropdownMenuItem
-        key={font.value}
-        icon={font.icon}
-        value={font.value}
-        order={index}
-        textStyle={{
-          fontFamily: getFontFamilyString({ fontFamily: font.value }),
-        }}
-        hovered={font.value === hoveredFont?.value}
-        selected={font.value === selectedFontFamily}
-        // allow to tab between search and selected font
-        tabIndex={font.value === selectedFontFamily ? 0 : -1}
-        onClick={(e) => {
-          wrappedOnSelect(Number(e.currentTarget.value));
-        }}
-        onMouseMove={() => {
-          if (hoveredFont?.value !== font.value) {
-            onHover(font.value);
-          }
-        }}
-      >
-        {font.text}
-        {font.badge && (
-          <DropDownMenuItemBadge type={font.badge.type}>
-            {font.badge.placeholder}
-          </DropDownMenuItemBadge>
-        )}
-      </DropdownMenuItem>
-    );
+    const FontPickerListItem = ({
+      font,
+      order,
+    }: {
+      font: FontDescriptor;
+      order: number;
+    }) => {
+      const ref = useRef<HTMLButtonElement>(null);
+      const isHovered = font.value === hoveredFont?.value;
+      const isSelected = font.value === selectedFontFamily;
+
+      useEffect(() => {
+        if (!isHovered) {
+          return;
+        }
+        if (order === 0) {
+          // scroll into the first item differently, so it's visible what is above (i.e. group title)
+          ref.current?.scrollIntoView?.({ block: "end" });
+        } else {
+          ref.current?.scrollIntoView?.({ block: "nearest" });
+        }
+      }, [isHovered, order]);
+
+      return (
+        <button
+          ref={ref}
+          type="button"
+          value={font.value}
+          className={getDropdownMenuItemClassName("", isSelected, isHovered)}
+          title={font.text}
+          // allow to tab between search and selected font
+          tabIndex={isSelected ? 0 : -1}
+          onClick={(e) => {
+            wrappedOnSelect(Number(e.currentTarget.value));
+          }}
+          onMouseMove={() => {
+            if (hoveredFont?.value !== font.value) {
+              onHover(font.value);
+            }
+          }}
+        >
+          <MenuItemContent
+            icon={font.icon}
+            badge={
+              font.badge && (
+                <DropDownMenuItemBadge type={font.badge.type}>
+                  {font.badge.placeholder}
+                </DropDownMenuItemBadge>
+              )
+            }
+            textStyle={{
+              fontFamily: getFontFamilyString({ fontFamily: font.value }),
+            }}
+          >
+            {font.text}
+          </MenuItemContent>
+        </button>
+      );
+    };
 
     const groups = [];
 
     if (sceneFilteredFonts.length) {
       groups.push(
         <DropdownMenuGroup title={t("fontList.sceneFonts")} key="group_1">
-          {sceneFilteredFonts.map(renderFont)}
+          {sceneFilteredFonts.map((font, index) => (
+            <FontPickerListItem key={font.value} font={font} order={index} />
+          ))}
         </DropdownMenuGroup>,
       );
     }
@@ -313,9 +346,13 @@ export const FontPickerList = React.memo(
     if (availableFilteredFonts.length) {
       groups.push(
         <DropdownMenuGroup title={t("fontList.availableFonts")} key="group_2">
-          {availableFilteredFonts.map((font, index) =>
-            renderFont(font, index + sceneFilteredFonts.length),
-          )}
+          {availableFilteredFonts.map((font, index) => (
+            <FontPickerListItem
+              key={font.value}
+              font={font}
+              order={index + sceneFilteredFonts.length}
+            />
+          ))}
         </DropdownMenuGroup>,
       );
     }

packages/excalidraw/components/FontPicker/FontPickerTrigger.tsx

@@ -1,4 +1,4 @@
-import * as Popover from "@radix-ui/react-popover";
+import { Popover } from "radix-ui";
 
 import { MOBILE_ACTION_BUTTON_BG } from "@excalidraw/common";
 

packages/excalidraw/components/HelpDialog.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .HelpDialog {
@@ -60,11 +60,12 @@
 
     &__islands-container {
       display: grid;
+      grid-column-gap: 1.5rem;
+      grid-row-gap: 2rem;
+
       @media screen and (min-width: 1024px) {
         grid-template-columns: 1fr 1fr;
       }
-      grid-column-gap: 1.5rem;
-      grid-row-gap: 2rem;
     }
 
     @media screen and (min-width: 1024px) {

packages/excalidraw/components/HintViewer.scss

@@ -1,4 +1,4 @@
-@import "../css/variables.module.scss";
+@use "../css/variables.module" as *;
 
 // this is loosely based on the longest hint text
 $wide-viewport-width: 1000px;

packages/excalidraw/components/IconPicker.scss

@@ -1,10 +1,11 @@
-@import "../css/variables.module.scss";
+@use "sass:color";
+@use "../css/variables.module" as *;
 
 .excalidraw {
   .picker {
     padding: 0.5rem;
     background: var(--popup-bg-color);
-    border: 0 solid transparentize($oc-white, 0.75);
+    border: 0 solid color.adjust(#fff, $alpha: -0.75);
     box-shadow: var(--shadow-island);
     border-radius: 4px;
     position: absolute;
@@ -87,7 +88,7 @@
   }
 
   .picker-type-elementBackground .picker-keybinding {
-    color: $oc-white;
+    color: #fff;
   }
 
   .picker-swatch[aria-label="transparent"] .picker-keybinding {
@@ -100,10 +101,10 @@
 
   &.theme--dark {
     .picker-type-elementBackground .picker-keybinding {
-      color: $oc-black;
+      color: #000;
     }
     .picker-swatch[aria-label="transparent"] .picker-keybinding {
-      color: $oc-black;
+      color: #000;
     }
   }
 }