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Replace YJS with custom server-authoritative document sync #655

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Merged
softmarshmallow merged 10 commits into from
Apr 9, 2026
Merged

Replace YJS with custom server-authoritative document sync #655

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e0b9746
Merge branch 'main' of https://github.com/gridaco/grida into canary
softmarshmallow Apr 8, 2026
6ede931
Merge branch 'main' of https://github.com/gridaco/grida into canary
softmarshmallow Apr 8, 2026
30426ec
feat: implement document synchronization protocol with clock and diff…
softmarshmallow Apr 8, 2026
5f9e7aa
feat: refactor document synchronization with new SyncRoom and storage…
softmarshmallow Apr 8, 2026
618259e
refactor: remove Yjs integration and related patches
softmarshmallow Apr 8, 2026
68ce685
fix: address PR review findings — scene diff ordering, reconnect reba…
softmarshmallow Apr 9, 2026
6e84bc9
wrangler bump
softmarshmallow Apr 9, 2026
8545841
feat: implement room seeding logic in DocumentSyncAdapter and enhance…
softmarshmallow Apr 9, 2026
5281460
chore
softmarshmallow Apr 9, 2026
d523849
add tldraw crdt research
softmarshmallow Apr 9, 2026
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499 changes: 499 additions & 0 deletions docs/wg/research/crdt/tldraw.md
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8 changes: 4 additions & 4 deletions editor/grida-canvas-hosted/playground/playground.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ import { DarwinSidebarHeaderDragArea } from "../../host/desktop";
import { editor } from "@/grida-canvas";
import useDisableSwipeBack from "@/grida-canvas-react/viewport/hooks/use-disable-browser-swipe-back";
import { WindowGlobalCurrentEditorProvider } from "@/grida-canvas-react/devtools/global-api-host";
import { EditorYSyncPlugin } from "@/grida-canvas/plugins/yjs";
import { EditorSyncPlugin } from "@/grida-canvas/plugins/sync";
import { Editor } from "@/grida-canvas/editor";
import { PlayerAvatar } from "@/components/multiplayer/avatar";
import grida from "@grida/schema";
Expand Down Expand Up @@ -276,15 +276,15 @@ const get_or_create_demo_session_cursor_id = (): string => {
};

function useSyncMultiplayerCursors(editor: Editor, room_id?: string) {
const pluginRef = useRef<EditorYSyncPlugin | null>(null);
const pluginRef = useRef<EditorSyncPlugin | null>(null);

useEffect(() => {
if (!room_id) return;

const cursorId = get_or_create_demo_session_cursor_id();

if (!pluginRef.current) {
pluginRef.current = new EditorYSyncPlugin(editor, room_id, {
pluginRef.current = new EditorSyncPlugin(editor, room_id, {
cursor_id: cursorId,
palette: colors[randomcolorname({ exclude: neutral_colors })],
});
Expand Down Expand Up @@ -327,7 +327,7 @@ export type CanvasPlaygroundProps = {

export default function CanvasPlayground({
document = distro.playground.EMPTY_DOCUMENT,
backend = "dom",
backend = "canvas",
templates,
src,
room_id,
Expand Down
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