The website's Cloudflare build (`opennextjs-cloudflare` / Turbopack) was failing with `_defineProperty is not a function` while linaria/wyw evaluates `twenty-ui/dist/theme.cjs` at build time. It regressed in #21946, whose twenty-ui build rework changed the emitted `theme.cjs` so the theme objects ship as runtime object spreads (`{ ...THEME_COMMON }`). **Cause:** wyw evaluates modules in Node through `next/babel`, which pulls in `preset-env` + `transform-runtime`. Those re-lower the runtime spreads into `@babel/runtime` helpers imported as ESM; wyw then `require()`s that ESM module in a CJS context where the export is not callable, so `_defineProperty` fails. **Fix:** wyw runs in Node and needs no downleveling, so replace `next/babel` with minimal presets (`@babel/preset-typescript`, `@babel/preset-react`, `@wyw-in-js/babel-preset`, plus `@babel/plugin-transform-export-namespace-from`), matching twenty-front's wyw config. No `@babel/runtime` helpers get injected. Kept on the website side so twenty-ui keeps react/react-dom as peer deps (#21946). Note: no blocking PR check runs the website production build, so this is best validated via the website preview build or the twenty-infra deploy.
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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