# What changed in @vue/tsconfig

> 3 changes in @vue/tsconfig 0.9 from its official release notes, upgrade guides and advisories: 1 breaking. Each one cited. Sources checked 2026-10-20. HTML: https://unstale.sh/npm/@vue/tsconfig/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## @vue/tsconfig 0.9

### Breaking changes

- The TypeScript peer dependency requirement is aligned with the documentation: >= 5.8, including TypeScript 6. (0.9.1) — [release notes](https://github.com/vuejs/tsconfig/releases/tag/v0.9.1)

### Behavior and default changes

- The lib configuration now uses ES2022. (0.9.0) — [release notes](https://github.com/vuejs/tsconfig/releases/tag/v0.9.0)
- This option was moved from the base config to the lib config; it is still recommended for new codebases. (0.9.0) — [release notes](https://github.com/vuejs/tsconfig/releases/tag/v0.9.0)