Release

TypeScript 7.1 Beta: Restores the Compiler API and Makes Vue and Svelte First-Class

InfoQ · By Daniel Curtis · 1h ago

TypeScript 7.1 Beta, announced October 20, 2026, restores the compiler API removed in 7.0, now split into separate entry points. It adds content mappers, letting tools like Vue check non-standard files. One Vue project's type checks fell from 14.19 to 3.10 seconds. An editor…

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The Brief

TypeScript 7.1 Beta, announced October 20, 2026, restores the compiler API that was removed in 7.0, now split into separate entry points.
It adds content mappers, which let tools such as Vue type-check non-standard files.
One Vue project's type checks fell from 14.19 to 3.10 seconds, according to InfoQ.

Why it matters

Tooling that depends on the TypeScript compiler API can work again on the beta, and Vue projects may see much faster type checking.

Who’s affected

Tooling authors who use the TypeScript compiler API
Vue teams running TypeScript type checks

TypeScript 7.1 Beta
TypeScript 7.0
#typescript
#compiler-api
#vue
#svelte
#beta-release

Timeline

Oct 20
TypeScript 7.1 Beta announced
Nov 6 · 11:06 AM
InfoQ
TypeScript 7.1 Beta: Restores the Compiler API and Makes Vue and Svelte First-Class

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