# JSZip 3.10.1

- Product: JSZip (https://whatsnew.fyi/product/jszip)
- Vendor: Stuart Knightley
- Date: 2022-08-02
- Version: 3.10.1
- Original notes: https://www.npmjs.com/package/jszip/v/3.10.1
- Permalink: https://whatsnew.fyi/product/jszip/releases/3.10.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Expose OnUpdateCallback type
- **changed** — Consolidate metadata types
- **changed** — Use const instead of var in README examples
- **changed** — Switch manual download link to HTTPS

- Add sponsorship files.
    + If you appreciate the time spent maintaining JSZip then I would really appreciate [your sponsorship](https://github.com/sponsors/Stuk).
- Consolidate metadata types and expose OnUpdateCallback [#851](https://github.com/Stuk/jszip/pull/851) and [#852](https://github.com/Stuk/jszip/pull/852)
- use `const` instead `var` in example from README.markdown [#828](https://github.com/Stuk/jszip/pull/828)
- Switch manual download link to HTTPS [#839](https://github.com/Stuk/jszip/pull/839)

Internals:

- Replace jshint with eslint [#842](https://github.com/Stuk/jszip/pull/842)
- Add performance tests [#834](https://github.com/Stuk/jszip/pull/834)