Angular 21 Node.js & TypeScript Requirements
Angular 21 needs Node.js ^20.19.0 || ^22.12.0 || ^24.0.0 and TypeScript >=5.9.0 <6.0.0 on its latest release. Enter your versions to check them.
Your project
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Find it with node -v
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Find it with npm ls rxjs
Angular 21.0 – 21.2 requirements
Long-term support (security and critical fixes only) until 2027-06.
| Needs | Supported range | Recommended |
|---|---|---|
| Node.js | ^20.19.0 || ^22.12.0 || ^24.0.0 | Node 24 LTS (24.0.0+) |
| TypeScript | >=5.9.0 <6.0.0 | TypeScript 5.9 |
| RxJS | ^6.5.3 || ^7.4.0 | RxJS ^7.4.0 |
Note: Later 21.2 patch releases on npm also accept TypeScript 6.0 (peer range >=5.9 <6.1).
24"engines": {
"node": "^20.19.0 || ^22.12.0 || ^24.0.0"
}npm install --save-dev typescript@~5.9.0
npm install rxjs@^7.4.0Moving up? Angular 21 → 22 upgrade plan · All Angular 21 requirements
Angular 21 Version Requirements
Angular 21 supports Node.js ^20.19.0 || ^22.12.0 || ^24.0.0, TypeScript >=5.9.0 <6.0.0, and RxJS ^6.5.3 || ^7.4.0. For a new setup, use Node 24 and TypeScript 5.9.
| Angular | Node.js | TypeScript | RxJS | Support |
|---|---|---|---|---|
| 21.0 – 21.2 | ^20.19.0 || ^22.12.0 || ^24.0.0 | >=5.9.0 <6.0.0 | ^6.5.3 || ^7.4.0 | LTS |
Note: Later 21.2 patch releases on npm also accept TypeScript 6.0 (peer range >=5.9 <6.1).
Frequently Asked Questions
- Which Node.js version does Angular 21 need?
- Angular 21 supports Node.js ^20.19.0 || ^22.12.0 || ^24.0.0. Use Node 24 (24.0.0 or newer).
- Which TypeScript version does Angular 21 need?
- Angular 21 needs TypeScript >=5.9.0 <6.0.0. On the latest 21.x release, install TypeScript 5.9.
- Is Angular 21 still supported?
- Angular 21 is in long-term support, which means critical and security fixes only, until 2027-06.
Related
Sources
Checked against Angular's official compatibility table and support schedule. Last reviewed .