Raphaël Bosi
e38d587602
## Desktop https://github.com/user-attachments/assets/87999ff5-9257-4fed-90e0-781322b1db98 ## Mobile https://github.com/user-attachments/assets/0d115cb6-7bca-4229-8fde-0f188e862b00 Greets the user the moment they finish onboarding: a halftone Twenty mark (brand purple) assembles from scattered particles, shimmers, then bursts outward to reveal the freshly loaded workspace behind it. Plays once, ~3s, with a reduced-motion fallback. `PageChangeEffect` sets a transient `isWelcomeAnimationVisibleState` atom at the onboarding to workspace redirect seam (gated by `shouldShowWelcomeAnimationOnNavigate`); `WelcomeOverlay`, mounted in `WorkspaceAppProviders`, plays it and clears it. Transient by design, so it never replays on reload. ## Why a canvas rendered on another thread The overlay plays at the exact moment the workspace mounts behind it, which is one of the heaviest main-thread stretches in the app (metadata, providers, first data fetch). Anything animating on the main thread competes with that work: - framer-motion and plain main-thread `requestAnimationFrame` visibly stuttered and froze during the mount, because long tasks starve rAF. - CSS keyframes stay smooth (they run on the compositor), but can't drive a ~2900-particle halftone with per-particle physics (staggered assemble, moving shimmer band, directional burst). So the halftone runs as a Canvas 2D particle system inside a Web Worker, drawing to an `OffscreenCanvas` transferred from the main thread. The whole render loop lives off the main thread, so app-mount jank can't reach it. A main-thread path is kept as a fallback for browsers without `OffscreenCanvas` / `transferControlToOffscreen`, and Safari workers (which lack rAF) fall back to a fixed-interval loop. The renderer is a pure, DOM-free module so it bundles cleanly into the worker; dot colors come from CSS vars read on the main thread and passed in. Also fires for every onboarding completion path and skips the billing `PlanRequired` detour. <!-- This is an auto-generated description by cubic. --> <a href="https://cubic.dev/pr/twentyhq/twenty/pull/22622?utm_source=github" target="_blank" rel="noopener noreferrer" data-no-image-dialog="true"><picture><source media="(prefers-color-scheme: dark)" srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source media="(prefers-color-scheme: light)" srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img alt="Review in cubic" src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a> <!-- End of auto-generated description by cubic. -->
The #1 Open-Source CRM
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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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