Node.js 22 + TypeScript 4.x: Compatible; Upgrade to TypeScript 5
Node.js 22+TypeScript 4.x
TypeScript 4.x has a permissive engines requirement and runs on Node.js 22 without issues. TypeScript 4.9 (the final 4.x release, November 2022) introduced the `satisfies` operator. TypeScript 5 is the current major with 10–20% faster compilation and new language features. Upgrade: `npm install typescript@latest`.
Workarounds & Fixes
Upgrade: `npm install typescript@latest`
Check TypeScript 5 breaking changes for `experimentalDecorators` users before upgrading