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TypeScript v5.9-beta

pre-release PublishedOct 1, 2025 SourceMicrosoft/TypeScript

TypeScript v5.9-beta

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.

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Source Microsoft/TypeScript · v5.9-beta · 2025-10-01 · upstream release

Mirrored verbatim for indexing. All rights belong to the upstream project.

Release notes are published by the upstream project and mirrored here for indexing. All rights belong to their authors.