Bump TypeScript to 5.9. - #5550

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Paavo Bennett (eliw00d) wants to merge 12 commits into

microsoft:mainfrom

Commits on Jan 13, 2026

Commits on Mar 23, 2026

Update common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/ts-5.9_2026-01-13-22-17.json

Paavo Bennett (eliw00d)
and
Ian Clanton-Thuon (iclanton)
authored
5cf9ca3
Merge remote-tracking branch 'upstream/main' into ts-5.9
Paavo Bennett (eliw00d)
committed
51cc82f
apply fix for build errors
Paavo Bennett (eliw00d)
committed
e6c6996
run rush change
Paavo Bennett (eliw00d)
committed
729d770
useProjectTypescriptVersion
Paavo Bennett (eliw00d)
committed
97835ea
revert
Paavo Bennett (eliw00d)
committed
7fca36d