# Jotai v2.17.1

- Product: Jotai (https://whatsnew.fyi/product/jotai)
- Vendor: Poimandres
- Date: 2026-02-04
- Version: v2.17.1
- Original notes: https://github.com/pmndrs/jotai/releases/tag/v2.17.1
- Permalink: https://whatsnew.fyi/product/jotai/releases/v2.17.1

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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- **fixed** — Fix wrong variance on the WritableAtom Result type parameter

Small typing improvements. If you are using v2.16 or earlier, we recommend upgrading to the latest version.

##### What's Changed
* fix(core/types): Wrong variance on the WritableAtom Result type parameter by @atomanyih in https://github.com/pmndrs/jotai/pull/3135
* chore: leftover with #3219 by @dai-shi in https://github.com/pmndrs/jotai/pull/3231

##### New Contributors
* @atomanyih made their first contribution in https://github.com/pmndrs/jotai/pull/3135

**Full Changelog**: https://github.com/pmndrs/jotai/compare/v2.17.0...v2.17.1