# Docusaurus v3.9.1 — 3.9.1

- Product: Docusaurus (https://whatsnew.fyi/product/docusaurus)
- Vendor: Meta
- Date: 2025-09-26
- Version: v3.9.1
- Original notes: https://github.com/facebook/docusaurus/releases/tag/v3.9.1
- Permalink: https://whatsnew.fyi/product/docusaurus/releases/v3.9.1

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'.

---

- **fixed** — Fix Docusaurus outDir for sites using baseUrl

##### 3.9.1 (2025-09-26)

###### :bug: Bug Fix

- `docusaurus`
  - [#11434](https://github.com/facebook/docusaurus/pull/11434) fix(core): fix Docusaurus outDir for sites using baseUrl ([@slorber](https://github.com/slorber))

###### Committers: 1

- Sébastien Lorber ([@slorber](https://github.com/slorber))