# jest-dom v6.6.4

- Product: jest-dom (https://whatsnew.fyi/product/testing-library-jest-dom)
- Vendor: Testing Library
- Date: 2025-07-26
- Version: v6.6.4
- Original notes: https://github.com/testing-library/jest-dom/releases/tag/v6.6.4
- Permalink: https://whatsnew.fyi/product/testing-library-jest-dom/releases/v6.6.4

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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- **changed** — replace chalk with picocolors for improved performance

##### [6.6.4](https://github.com/testing-library/jest-dom/compare/v6.6.3...v6.6.4) (2025-07-26)


###### Performance Improvements

* replace chalk with picocolors ([#659](https://github.com/testing-library/jest-dom/issues/659)) ([707e647](https://github.com/testing-library/jest-dom/commit/707e6471ae33fa2a25fab7e87be721218b5b9339))