New Release: Tor Browser 15.0.3

Tor Browser 15.0.3 is now available from the Tor Browser download page and also from our distribution directory.

This version includes important security updates to Firefox.

From this release on, NoScript versions for Tor Browser are hosted on Tor's infrastructure, allowing us to deliver more timely and reliable updates. Distinguished by a version number ending with ".1984", they are otherwise equivalent to their AMO (stable) or pre-release counterparts: e.g. 13.5.2.1984 (Tor) = 13.5.2 (AMO).

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 15.0.2 is:

• All Platforms
  • Updated NoScript to 13.5.2.1984
  • Bug tor-browser#22974: Self-host NoScript Updates
  • Bug tor-browser#44348: Backport Bugzilla 1999126: Protect whether PDF.js is enabled/disabled to improve fingerprinting protection
  • Bug tor-browser#44391: Restrictions cascade blocks every capability in subframes (e.g. captchas)
  • Bug tor-browser#44399: Rebase Tor Browser 15.0 stable onto 140.6.0esr
  • Bug tor-browser#44409: Backport Security Fixes from Firefox 146
  • Bug tor-browser-build#41646: Update lyrebird version to v0.7.0
• Windows + macOS + Linux
  • Updated Firefox to 140.6.0esr
  • Bug tor-browser#44414: Disable Zucchini for the 15.0 series.
• Android
  • Updated GeckoView to 140.6.0esr
  • Bug tor-browser#44346: Webrender broken on Adreno 510 devices with esr140
• Build System
  • All Platforms
    • Bug tor-browser-build#41644: Self-hosted browser extensions support in relprep.py
  • Windows + Linux + Android
    • Updated Go to 1.24.11

• applications
• releases

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