Raphaël Bosi
3c48e27b2e
Fixes [Sentry 7604159654](https://sentry.io/issues/7604159654/) (v2.20.0, Mobile Safari). The onboarding router preloads 7 lazy chunks on entry; Vite's CSS preload for SyncEmails rejected and three defects compounded: - `void SomePage.preload()` discarded the promise, so it became an unhandled rejection and the user got a raw `Unable to preload CSS for /assets/...css` snackbar. - `lazyWithPreload` cached the *rejected* promise and rendered via `throw preload()`. React pings on the rejection, re-renders, the component throws the same settled rejected thenable, the ping listener de-dupes, and the route hangs on its loader forever. - `checkIfItsAViteStaleChunkLazyLoadingError` only matched Chrome's message, so `AppErrorBoundary`'s reload recovery never fired for the CSS-preload or Safari variants. `lazyWithPreload` now records the failure in state instead of rethrowing, so the thenable thrown into Suspense always fulfills, `preload()` returns void and can never reject, and the render path throws the real `Error` to the boundary, which reloads. Two things worth knowing for review: `React.lazy` is not a substitute here (its initializer has no synchronous fast path, so it suspends even when the module is already loaded, reintroducing the loader flash #22392 removed), and the failure is deliberately sticky because Vite marks the dep `seen` before attempting it, so an in-document retry loads the JS without its CSS and silently renders an unstyled page. <!-- This is an auto-generated description by cubic. --> <a href="https://cubic.dev/pr/twentyhq/twenty/pull/23359?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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Learn more about version control in doc
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).
Join the Community
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