## Summary The global `jotaiStore` singleton was shared across all tests without reset, leaking state between test suites and causing unbounded heap growth within each Jest worker. - `getJestMetadataAndApolloMocksWrapper` now creates a **fresh Jotai store per wrapper** (equivalent of RecoilRoot isolation), so each test gets clean state - Added `workerIdleMemoryLimit: '512MB'` to recycle workers that still accumulate memory - Set `maxWorkers: 3` for CI ## Performance Measured on 48 test suites (command-menu + views + object-record hooks), single worker: | Metric | Before | After | |---|---|---| | Peak heap | **1519 MB** | **~530 MB** (-65%) | | Final heap | **1519 MB** | **437 MB** (-71%) | | Growth pattern | Monotonic (never freed) | Bounded sawtooth (recycled at 512MB) |
The #1 Open-Source CRM
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Installation
See: 🚀 Self-hosting 🖥️ Local Setup
Why Twenty
We built Twenty for three reasons:
CRMs are too expensive, and users are trapped. Companies use locked-in customer data to hike prices. It shouldn't be that way.
A fresh start is required to build a better experience. We can learn from past mistakes and craft a cohesive experience inspired by new UX patterns from tools like Notion, Airtable or Linear.
We believe in Open-source and community. Hundreds of developers are already building Twenty together. Once we have plugin capabilities, a whole ecosystem will grow around it.
What You Can Do With Twenty
Please feel free to flag any specific needs you have by creating an issue.
Below are a few features we have implemented to date:
- Personalize layouts with filters, sort, group by, kanban and table views
- Customize your objects and fields
- Create and manage permissions with custom roles
- Automate workflow with triggers and actions
- Emails, calendar events, files, and more
Personalize layouts with filters, sort, group by, kanban and table views
Customize your objects and fields
Create and manage permissions with custom roles
Automate workflow with triggers and actions
Emails, calendar events, files, and more
Stack
- TypeScript
- Nx
- NestJS, with BullMQ, PostgreSQL, Redis
- React, with Recoil, Emotion and Lingui
Thanks
Thanks to these amazing services that we use and recommend for UI testing (Chromatic), code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
Join the Community
- Star the repo
- Subscribe to releases (watch -> custom -> releases)
- Follow us on Twitter or LinkedIn
- Join our Discord
- Improve translations on Crowdin
- Contributions are, of course, most welcome!




