# Mullvad Browser 16.0a9

- Product: Mullvad Browser (https://whatsnew.fyi/product/mullvad-browser)
- Vendor: Mullvad VPN
- Date: 2026-07-24
- Version: 16.0a9
- Original notes: https://github.com/mullvad/mullvad-browser/releases/tag/16.0a9
- Permalink: https://whatsnew.fyi/product/mullvad-browser/releases/16.0a9
- Labels: Pre-release; 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 153.0esr
- **changed** — Updated NoScript to 13.6.30.90201984
- **changed** — Updated uBlock Origin to 1.72.2
- **fixed** — Fixed about:preferences being broken in 153 nightlies
- **removed** — Removed translate action from urlbar
- **removed** — Removed the lock on pdfjs.disable
- **changed** — Disabled the settings redesign until ready
- **fixed** — Fixed security level using an unsafe getBoolPref
- **fixed** — Fixed undeclared identifier 'XRE_EXECUTABLE_FILE' in nsAppFileLocationProvider.cpp
- **fixed** — Fixed wchar_t to char conversion in desktop_capture_utils.cc on Windows
- **fixed** — Fixed artifact generation failing due to missing .DS_Store in branding directories on macOS

* All Platforms
   * Updated Firefox to 153.0esr
   * Updated NoScript to 13.6.30.90201984
   * Updated uBlock Origin to 1.72.2
   * Bug 559: about:preferences is broken in 153 nightlies [mullvad-browser]
   * Bug 561: Rebase Mullvad Browser onto 153.0esr [mullvad-browser]
   * Bug 44439: Remove translate action from urlbar [tor-browser]
   * Bug 44811: Remove the lock on pdfjs.disable. [tor-browser]
   * Bug 45110: Disable the settings redesign until ready for us [tor-browser]
   * Bug 45131: Security level is using an unsafe getBoolPref [tor-browser]
   * Bug 45132: nsAppFileLocationProvider.cpp: use of undeclared identifier 'XRE_EXECUTABLE_FILE' [tor-browser]
 * Windows
   * Bug 555: Fix our wchar_t to char conversion in desktop_capture_utils.cc [mullvad-browser]
 * macOS
   * Bug 45108: Artifact generation fails due to missing .DS_Store in the branding directories [tor-browser]
##### Build System
   * All Platforms
     * Bug 41838: Update personal_access_tokens URL in tools/fetch_changelogs.py [tor-browser-build]
   * Windows
     * Bug 41819: Fix windows-rs URL in projects/firefox/config [tor-browser-build]