# What changed in stylelint-config-standard

> 3 changes in stylelint-config-standard 40 from its official release notes, upgrade guides and advisories: 3 breaking. Each one cited. Sources checked 2026-10-22. HTML: https://unstale.sh/npm/stylelint-config-standard/

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

## stylelint-config-standard 40

### Breaking changes

- The module type changed to ESM. (40.0.0) — [release notes](https://github.com/stylelint/stylelint-config-standard/releases/tag/40.0.0)
- Support for Node.js versions below 20.19.0 was removed. (40.0.0) — [release notes](https://github.com/stylelint/stylelint-config-standard/releases/tag/40.0.0)
- Peer dependencies no longer allow stylelint versions below 17.0.0. (40.0.0) — [release notes](https://github.com/stylelint/stylelint-config-standard/releases/tag/40.0.0)