Tor Browser 16.0a13 is now available from the Tor Browser download page and also from our distribution directory.
This version includes important security updates to Firefox.
⚠️ Reminder: The Tor Browser Alpha release-channel is for testing only. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy.
Moreover, Tor Browser Alphas are now based on Firefox's betas. Please read more about this important change in the Future of Tor Browser Alpha blog post.
If you are an at-risk user, require strong anonymity, or just want a reliably-working browser, please stick with the stable release channel.
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 16.0a12 is:
All Platforms
Updated NoScript to 13.6.34.90101984
Updated Tor to 0.4.9.13
Updated OpenSSL to 3.5.9
Bug tor-browser#44815: Disable harmful addon URL blocking
Bug tor-browser#45073: Review preference changes between Firefox 141 and 153
Bug tor-browser#45080: Keep the Reporting API disabled.
Bug tor-browser#45333: Disable the fast-path to skip proxy resolution
Bug tor-browser#45359: Rebase alpha onto 153.4.0esr
Bug tor-browser#45366: Backport Security Fixes from Firefox 157
Bug tor-browser#45368: Account for onion aliases in NoScript site parsing
Bug tor-browser#45371: Hook CharacterData/Range insertion sinks for content patches propagation
Windows + macOS + Linux
Updated Firefox to 153.4.0esr
Bug tor-browser#45218: Implement YEC 2026 Takeover for Desktop Stable
Bug tor-browser#45343: Hide verifier and the related error for self-signed onion cert case
Bug tor-browser#45346: Crash when clicking "Learn more…" in onion site error page
Bug tor-browser#45360: Port our language preference customization to the new settings design
Windows
Bug tor-browser#45293: Set widget.windows.tablet_detection_override to -1
Android
Updated GeckoView to 153.4.0esr
Bug 40627: [Android] "share" selected text only works once [tor-browser]
Bug tor-browser#44913: Review Mozilla 2019009: Enable Download location Settings on Nightly
Bug tor-browser#45363: Disable import bookmarks in Android until stable
Build System
All Platforms
Bug tor-browser#45334: Update marionette harness to accept multiple tags
Bug tor-browser#45367: Backport Bugzilla 2075120: mach lint fails to create the lint virtualenv because rumdl 0.1.91 is no longer available on PyPI
Bug tor-browser-build#41847: Sign all releases using new gpg subkey
Windows
Bug tor-browser-build#41890: Update sign-exe wrapper to use new Windows signing cert
macOS
Bug tor-browser-build#41883: Fix sha256sum definition in projects/hfsplus-tools/config
applications
releases