## Fixes #20597 ### Problem A person's (or any record's) timeline renders the whole widget as **"Invalid configuration"** when it contains an `*.updated` event without a usable `properties.diff`. The error-boundary fallback (`PageLayoutWidgetInvalidConfigDisplay`) is triggered because `EventRowMainObjectUpdated` **throws** during render: ```ts const diff = event.properties?.diff; // can be undefined const diffEntries = Object.entries(diff); // throws TypeError when undefined if (diffEntries.length === 0) { throw new Error('Cannot render update description without changes'); } ``` `filterOutInvalidTimelineActivities` only validates activities that **already carry** a diff (`canSkipValidation = !diff`), so a main-object `*.updated` event with a missing diff passes straight through to this renderer and crashes it. A single malformed row takes down the entire timeline. ### Fix Render nothing instead of throwing when an update event has no changes to show. This mirrors the sibling `EventRowMainObject` default branch (which returns `null`) and the filter's own behaviour of dropping empty diffs, and keeps one bad row from crashing the whole widget. The fix is intentionally kept in the renderer rather than the filter: the filter cannot distinguish a diff-less main-object update (must be dropped) from a diff-less `linked-task`/`linked-note` update (legitimately has `properties: {}` and renders fine via `EventRowActivity`) without duplicating routing logic. ### Test Added `EventRowMainObjectUpdated.test.tsx` — a regression test asserting the component renders nothing (no throw) for both a missing-diff and an empty-diff update event.
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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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