Tor Browser 13.5a1 is now available from the Tor Browser download page and also from our distribution directory.

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.

The full changelog since Tor Browser 13.0a6 is:

• All Platforms
  • Updated OpenSSL to 3.0.12
  • Updated NoScript to 11.4.28
  • Bug tor-browser#42191: Backport security fixes (Android & wontfix) from Firefox 119 to 115.4 - based Tor Browser
  • Bug tor-browser#42204: Drop unused aboutTor.dtd
  • 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#41341: Fix style and position of "Always Prioritize Onions" wingpanel
  • Bug tor-browser#42108: Tor Circuit button not shown if TLS handshake fails
  • Bug tor-browser#42182: Default Search Engine Does Not Persist Through Shift to New Identity
  • Bug tor-browser#42184: Setting "Homepage and new windows" ignores "Blank Page" value
• Windows + macOS
  • Bug tor-browser#42154: Empty the clipboard on browser shutdown only if content comes from private browsing windows
• Android
  • Updated GeckoView to 115.4.0esr
  • Bug tor-browser#42201: Make the script sign all the channels for local builds
  • Bug tor-browser#42222: Fix TorDomainIsolator initialization on Android
• Build System
  • All Platforms
    • Update Go to 1.21.3
    • Bug tor-browser-build#40852: Reproducible build of the the lox client library to wasm
    • Bug tor-browser-build#40934: Remove $bundle_locales from signing scripts now that we're on ALL for everything
    • 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 tor-browser-build#40982: Fix logging in tools/signing/do-all-signing
    • Bug tor-browser-build#40983: Bump the various branches to 13.5 on main
    • Bug tor-browser-build#40989: Add .nobackup files to reproducible and disposable directores
    • Bug rbm#40062: Copy input directories to containers recursively
  • Windows
    • Bug tor-browser-build#40984: The PDBs for .exe are not included
  • macOS
    • Bug tor-browser-build#29815: Sign our macOS bundles on Linux
  • Linux
    • Bug tor-browser-build#40979: Add redirects from old Linux bundle filename to the new one