microsoft/TypeScript v5.9-rc

TypeScript 5.9 RC

Repository: microsoft/TypeScript

Tag: v5.9-rc

Published: 2025-10-01T20:35:11Z

Prerelease: yes

Release notes: Note: this tag was recreated to point at the correct commit. The npm package contained the correct content.

For release notes, check out the release announcement

• fixed issues query for Typescript 5.9.0 (Beta).
• fixed issues query for Typescript 5.9.1 (RC).

Downloads are available on:

• npm