TypeScript News

Follow important TypeScript releases and project updates through concise summaries based on official TypeScript sources.

Latest news

• TypeScript speeds up incremental rebuilds with parallel signature checks

  November 3, 2026

  TypeScript now checks dependent-file signatures in parallel during incremental rebuilds, improving performance after edits to widely imported files.

• TypeScript native compiler adds experimental WebAssembly support

  October 29, 2026

  A merged TypeScript change adds experimental WASI WebAssembly builds for the CLI, language server, and browser-based JavaScript API.

• TypeScript 7.1 Beta introduces modular APIs and ES2026 support

  October 20, 2026

  TypeScript 7.1 Beta adds modular native APIs, ES2026 support, source imports, content mappers, and performance improvements.

• TypeScript native compiler reduces memory use with checker optimizations

  October 14, 2026

  Merged native TypeScript changes shrink structured type records and adjust memory allocation and caching.

• TypeScript native API adds APIs needed by typescript-eslint

  September 14, 2026

  The native TypeScript API adds checker and type APIs needed by typescript-eslint, reducing compatibility gaps for tooling.

• TypeScript native API adds layered virtual file systems

  September 9, 2026

  The native TypeScript API can update snapshots with in-memory or layered virtual file systems, including additions, changes, removals, and host fallbacks.

• TypeScript 7.1 adds import attributes to ambient modules

  September 1, 2026

  TypeScript 7.1 can match pattern ambient module declarations by import attributes, enabling attribute-aware module typing.

• TypeScript 7 fixes setter accessibility in unions and intersections

  August 24, 2026

  The native checker now respects setter accessibility separately from getter accessibility on union and intersection properties.

• TypeScript 7 adds a workspace-symbol search scope

  August 7, 2026

  The native language service adds a setting that can limit workspace-symbol searches to the current project.

• TypeScript 7 improves Go to Implementation memory use

  July 30, 2026

  A native language service fix prevents quadratic memory growth when finding implementations in large, deeply typed projects.

• TypeScript 7 refreshes config diagnostics after file changes

  July 30, 2026

  The native language service now republishes tsconfig.json and jsconfig.json errors after watched config files change.