Tor Browser 13.0.1 is now available from the Tor Browser download page and also from our distribution directory.

This release backports important security updates from Firefox 115.4.0esr and

This release updates Firefox to 115.4.0esr, including bug fixes, stability improvements and important security updates. We also backported the Android-specific security updates from Firefox 119.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release, please let us know.

Full changelog

The full changelog since Tor Browser 13.0 is:

• All Platforms
  • Bug tor-browser#42185: Rebase stable browsers on top of 115.4.0esr
  • Bug tor-browser#42191: Backport security fixes (Android & wontfix) from Firefox 119 to 115.4 - based Tor Browser
  • Bug tor-browser-build#40975: libstdc++.so.6 is included twice in tor-browser
• Windows + macOS + Linux
  • Updated Firefox to 115.4.0esr
  • Bug tor-browser#42182: Default Search Engine Does Not Persist Through Shift to New Identity
• Android
  • Updated GeckoView to 115.4.0esr
• Build System
  • All Platforms
    • Updated Go to 1.21.3
    • Bug tor-browser-build#40976: Update download-unsigned-sha256sums-gpg-signatures-from-people-tpo to fetch from tb-build-02 and tb-build-03
    • Bug rbm#40062: Copy input directories to containers recursively
  • Windows + Linux
    • Bug tor-browser-build#40991: Fix creation of downloads-windows-x86_64.json and downloads-linux-x86_64.json
  • Windows
    • Bug tor-browser-build#40984: The PDBs for .exe are not included
  • Linux
    • Bug tor-browser-build#40979: Add redirects from old Linux bundle filename to the new one