New Release: Tor Browser 15.0.21

Tor Browser 15.0.21 is now available from the Tor Browser download page and also from our distribution directory.

This version includes important security updates to Firefox.

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 15.0.20 is:

• All Platforms
  • Updated NoScript to 13.6.32.1984
  • Updated OpenSSL to 3.5.8
  • Bug tor-browser#45223: Backport tor-browser#45220 – about:torconnect doesn’t show when launching the browser in non-PBM
  • Bug tor-browser#45253: Rebase Tor Browser stable onto 140.15.0esr
  • Bug tor-browser#45259: Backport Security Fixes from Firefox 155
• Windows + macOS + Linux
  • Updated Firefox to 140.15.0esr
  • Bug tor-browser#44996: Change the 32-bit linux message to the expired version for the final 15.0 release
  • Bug tor-browser#45264: Use parent process for TorConnect redirections
• Android
  • Updated GeckoView to 140.15.0esr
• Build System
  • Windows + Linux + Android
    • Updated Go to 1.25.14