# What changed in mime-types

> 1 changes in mime-types 3 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/mime-types/

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

## mime-types 3

### Fixes and other changes

- Fixed mime-score logic for MP4 types, which can affect the extension returned for a MIME type. (3.0.2) — [release notes](https://github.com/jshttp/mime-types/releases/tag/v3.0.2)