npm / @rollup/plugin-typescript
@rollup/plugin-typescript
What changed in @rollup/plugin-typescript 9 to 12, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-27.
1 breaking1 new APIs and options1 behavior and defaults1 fixes and other
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli init@rollup/plugin-typescript 123 changes
New APIs and options 1
Transformers receive the latest Program in watch mode.
Behavior and default changes 1
When allowJs is enabled, .js files are processed.
Fixes and other changes 1
Clears the pending program update when a build closes the watch program.
@rollup/plugin-typescript 91 changes
Breaking changes 1
The plugin was prepared for Rollup 3, which may affect projects using this plugin with Rollup.