TypeScript 6.0.3

Patch Push - TypeScript 6.0.3

Microsoft has shipped TypeScript 6.0.3, the latest patch in the 6.0 series, released on April 16, 2026. This update focuses on bug fixes and stability improvements following the 6.0 major release.

Bug Bashes

TypeScript 6.0.3 resolves several issues discovered since 6.0.2. The full list of fixed issues is tracked under the TypeScript 6.0.3 milestone on GitHub, covering compiler crashes, incorrect type narrowing edge cases, and editor integration quirks. As a patch release, there are zero breaking changes - just cleaner, more reliable type checking.

Quick Upgrade

Run npm install typescript@latest to grab the update. Patch releases are safe to apply across any project already on TypeScript 6.x.