# @vitejs/plugin-react 6.0.4

- Product: @vitejs/plugin-react (https://whatsnew.fyi/product/vite-plugin-react)
- Vendor: Vite
- Date: 2026-07-22
- Version: 6.0.4
- Original notes: https://github.com/vitejs/vite-plugin-react/releases/tag/plugin-react%406.0.4
- Permalink: https://whatsnew.fyi/product/vite-plugin-react/releases/6.0.4

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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- **fixed** — Fix $RefreshSig$ is not defined error when running vite dev with NODE_ENV=production

###### Fixed `$RefreshSig$ is not defined` error when running `vite dev` with `NODE_ENV=production`

When running `vite dev` with `NODE_ENV=production`, the app errored with `$RefreshSig$ is not defined`.
This error is now fixed.