# What changed in jszip

> 3 changes in jszip 3 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/jszip/

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

## jszip 3

### Fixes and other changes

- Fixes Blob support in Node.js 18 and up. (3.10.2) — [release notes](https://github.com/Stuk/jszip/blob/020fa3384c994f923123141bbeebae0c3a44dd0d/CHANGES.md#v3102-2026-09-09)
- Fixes binary type detection across realms. (3.10.2) — [release notes](https://github.com/Stuk/jszip/blob/020fa3384c994f923123141bbeebae0c3a44dd0d/CHANGES.md#v3102-2026-09-09)
- Adds missing types for JSZip.defaults. (3.10.2) — [release notes](https://github.com/Stuk/jszip/blob/020fa3384c994f923123141bbeebae0c3a44dd0d/CHANGES.md#v3102-2026-09-09)