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[api-extractor] Upgrade bundled TypeScript to 6.0.3 - #6163
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James Hanford (jahanford) wants to merge 4 commits into
Open
James Hanford (jahanford) wants to merge 4 commits into
James Hanford (jahanford) wants to merge 4 commits into
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Ian Clanton-Thuon (iclanton)
approved these changes
Oct 21, 2026
Ian Clanton-Thuon (iclanton)
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Is TS 6 fully compatible with TS 5, or are there breaking changes in the language?
…json Co-authored-by: Ian Clanton-Thuon <iclanton@users.noreply.github.com>
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There are breaking deprecations which can be ignored with a tsconfig value |
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Summary
Update the
api-extractorTypeScript compiler version to 6.0.3.Details
Updates API Extractor’s bundled compiler to TypeScript 6.0.3, part of the final release line based on the original TypeScript implementation. Migrating to the Go-based compiler requires separate work to adapt API Extractor’s compiler API integrations to the new programmatic API expected to release with TypeScript 7.1.
How it was tested
Ran the api-extractor tests
_phase:testImpacted documentation
Updated code comments in
TypeScriptInternals.tsto point to updated version and correct lines.