# React Bootstrap v3.0.0-beta.1

- Product: React Bootstrap (https://whatsnew.fyi/product/react-bootstrap)
- Vendor: React Bootstrap
- Date: 2025-05-24
- Version: v3.0.0-beta.1
- Original notes: https://github.com/react-bootstrap/react-bootstrap/releases/tag/v3.0.0-beta.1
- Permalink: https://whatsnew.fyi/product/react-bootstrap/releases/v3.0.0-beta.1
- Labels: Pre-release

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** — Migrate from classnames to clsx for class name management
- **changed** — Update to support React 19 with internal code updates and removal of deprecated methods, requiring React 18+
- **removed** — Remove prop-types runtime validation
- **removed** — Remove package.json proxy directories and SSR utilities in favor of exports map
- **changed** — Extract useCol and useAccordionButton hooks to separate files for consistent CJS default exports
- **changed** — Offcanvas component will always render inline in the DOM instead of using a portal at the body

#### [3.0.0-beta.1](https://github.com/react-bootstrap/react-bootstrap/compare/v2.10.9...v3.0.0-beta.1) (2025-05-24)


* feat!: migrate to clsx (#6929) ([bd80db2](https://github.com/react-bootstrap/react-bootstrap/commit/bd80db2f502df3b4122aec0b263fc4ca479db928)), closes [#6929](https://github.com/react-bootstrap/react-bootstrap/issues/6929)
* feat(Offcanvas)!: change rendering behavior (#6927) ([36e824c](https://github.com/react-bootstrap/react-bootstrap/commit/36e824cf6433734016fca71dd8284f2fc49cf136)), closes [#6927](https://github.com/react-bootstrap/react-bootstrap/issues/6927)
* feat!: remove prop types (#6920) ([393dac8](https://github.com/react-bootstrap/react-bootstrap/commit/393dac852f1f85d7315ad8c7eaefe1a02e57e04e)), closes [#6920](https://github.com/react-bootstrap/react-bootstrap/issues/6920)
* feat!: extract hooks from component files (#6915) ([8747836](https://github.com/react-bootstrap/react-bootstrap/commit/874783655635c9c9b90bb084dd99b17a8f47c29e)), closes [#6915](https://github.com/react-bootstrap/react-bootstrap/issues/6915)
* feat!: update to react 19 (#6912) ([c707a3c](https://github.com/react-bootstrap/react-bootstrap/commit/c707a3c0132d81077c2ba242972297c8f38693ba)), closes [#6912](https://github.com/react-bootstrap/react-bootstrap/issues/6912)
* feat!: add exports map (#6901) ([20c8687](https://github.com/react-bootstrap/react-bootstrap/commit/20c86879c99972e5ad8e6f3dee5e451f81c90931)), closes [#6901](https://github.com/react-bootstrap/react-bootstrap/issues/6901)


###### BREAKING CHANGES

* Switch from classnames to clsx
* Offcanvas will always be rendered inline in the DOM and not at the body using a portal
* Remove prop-types
* Extract the useCol and useAccordionButton from Col.tsx and AccordionButton.tsx so the CJS default export is consistent with other components
* Support only React 18+.  Updates internal code for React 19 and remove deprecated methods.
* Add package.json exports map and remove proxy directories. Removes SSR utilities.