# Mullvad Browser 15.0.12

- Product: Mullvad Browser (https://whatsnew.fyi/product/mullvad-browser)
- Vendor: Mullvad VPN
- Date: 2026-05-07
- Version: 15.0.12
- Original notes: https://github.com/mullvad/mullvad-browser/releases/tag/15.0.12
- Permalink: https://whatsnew.fyi/product/mullvad-browser/releases/15.0.12
- Labels: Platforms: Desktop

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** — Updated Firefox to 140.10.2esr

* All Platforms
   * Updated Firefox to 140.10.2esr
##### Build System
   * All Platforms
     * Bug 41781: Fix clean section in rbm.local.conf.example [tor-browser-build]