# Jotai v2.19.0

- Product: Jotai (https://whatsnew.fyi/product/jotai)
- Vendor: Poimandres
- Date: 2026-03-24
- Version: v2.19.0
- Original notes: https://github.com/pmndrs/jotai/releases/tag/v2.19.0
- Permalink: https://whatsnew.fyi/product/jotai/releases/v2.19.0

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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- **deprecated** — Deprecate delay option in react
- **changed** — Improve store.get performance when atoms are not mutated

We improved the core to enable atom caching for performance for some cases.

##### What's Changed
* fix(react): deprecate delay option by @dai-shi in https://github.com/pmndrs/jotai/pull/3264
* feat: improve store.get performance when atoms are not mutated by @dmaskasky in https://github.com/pmndrs/jotai/pull/3265 thanks to @edkimmel

##### New Contributors
* @composite made their first contribution in https://github.com/pmndrs/jotai/pull/3268

**Full Changelog**: https://github.com/pmndrs/jotai/compare/v2.18.1...v2.19.0