2 curated breaking changes across major versions of typescript. Use this as a migration checklist before bumping dependencies.
Isolated declarations mode added; stricter type narrowing for some patterns.
If you rely on implicit declaration emit across modules, enable `isolatedDeclarations: true` and add explicit return types.
Node.js 12.20+ required; lib.d.ts updated; stage-3 decorators replace experimental ones.
Experimental decorators still available via `experimentalDecorators: true`. New stage-3 decorators have different semantics.
Get this data programmatically \u2014 free, no authentication.
curl https://depscope.dev/api/breaking/npm/typescript