This release features important security updates to Firefox.
Tor Browser 8.0.4 contains updates to Tor ( 0.3.4.9 ), OpenSSL (1.0.2q) and other bundle components. Additionally, we backported a number of patches from our alpha series where they got some baking time. The most important ones are
- a defense against protocol handler enumeration which should enhance our fingerprinting resistance,
- enabling Stylo for macOS users by bypassing a reproducibility issue caused by Rust compilation and
- setting back the sandboxing level to 5 on Windows (the Firefox default), after working around some Tor Launcher interference causing a broken Tor Browser experience.
Moreover, we ship an updated donation banner for our year-end donation campaign.
The full changelog since Tor Browser 8.0.3 is: