## Problem Fixes #20483. In a multi-user workspace, when a user creates/updates/deletes a **personal favorite** (a `navigationMenuItem` with a non-null `userWorkspaceId`), the metadata SSE event is broadcast workspace-wide. Every other connected user receives it and the favorite pops into their own sidebar in real time. Cross-user data-isolation leak. ## Root cause The delivery filter in `WorkspaceEventBroadcaster` already supports per-user scoping via `recipientUserWorkspaceIds`, but treats an **undefined** list as workspace-wide (delivered to every stream). `MetadataEventPublisher.publish` never set that field, so every favorite event fell into the workspace-wide default. The `agentChatThread` path already sets `recipientUserWorkspaceIds` explicitly and is scoped correctly; favorites simply never opted in. ## Fix In `MetadataEventPublisher`, resolve the owning `userWorkspaceId` for `navigationMenuItem` events (from `properties.after` on create/update, `properties.before` on delete) and set `recipientUserWorkspaceIds: [userWorkspaceId]` when present. Workspace-level items (`userWorkspaceId === null`) leave it unset and keep broadcasting to everyone. This mirrors the existing `agentChatThread` precedent and touches only the producer, not the broadcaster or any consumer. ## Testing Unit test (`metadata-event-publisher.spec.ts`) covers personal create/update/delete (scoped to owner), workspace-level (unscoped), and an unrelated metadata entity carrying a user id (unscoped). Also verified end to end against a local multi-user workspace (Tim and Jane, same workspace): each opened a live SSE stream (`/metadata` `onEventSubscription`) and Tim created favorites. | Case | Before fix | After fix | |------|-----------|-----------| | Personal favorite -> owner (Tim) | receives | receives | | Personal favorite -> other user (Jane) | **receives (leak)** | not received | | Workspace-level favorite -> other user (Jane) | receives | receives | - `nx typecheck twenty-server`: pass - oxlint + oxfmt on changed files: clean ## Scope / follow-up Favorites only. Two related items are intentionally out of scope and worth tracking separately: scoping other user-owned metadata (`view` via its visibility rules, `roleTarget`), and making the broadcaster's "no recipient list = everyone" default explicit rather than fail-open.
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the User Guide for product walkthroughs, or the
Documentation for developer reference.
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Stack
TypeScript
Nx
NestJS, with BullMQ,
PostgreSQL,
Redis
React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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