Mozilla stopped ALSA support in Firefox 52 for Linux users.On Apple computers OS X 10.9 is now the minimum system requirement.īesides new system requirements for Windows and macOS users, there are some known issues with Tor Browser 7.0 as well: WIth the switch to ESR 52 come new system requirements for Windows and macOS users: On Windows Tor Browser 7.0 won't run on non-SSE2 capable machines anymore. On the fingerprinting side we disabled and/or patched several new features, among them WebGL2, the WebAudio, Social, SpeechSynthesis, and Touch APIs, and the ssage property. The highlights in our tracking and fingerprinting resistance improvements are: cookies, view-source requests and the Permissions API are isolated to the first party URL bar domain now to enhance our tracking related defenses. One needs that *and* additional sandboxing mechanisms that prevent communication over TCP/IP. Update (June 8, 8:00 UTC): As the last point caused some confusion: enabling Unix Domain sockets alone does not harden Tor Browser. In addition to that, Linux and macOS users have the option to further harden their Tor Browser setup by using only Unix Domain sockets for communication with tor. While we are still working on the sandboxing part for Windows (the e10s part is ready), both Linux and macOS have e10s and content sandboxing enabled by default in Tor Browser 7.0. We try to backport the necessary patches to make it work for Tor Browser, though.). Most notably we hope having Mozilla's multiprocess mode (e10s) and content sandbox enabled will be one of the major new features in the Tor Browser 7.0 series, both security- and performance-wise ( Update (July 7, 12:40 UTC): While sandboxing is enabled in Tor Browser 7 it turns out that the long awaited content sandboxing did not make it into the Firefox ESR series as there were still stability issues with it. This release brings us up to date with Firefox 52 ESR which contains progress in a number of areas: This release is available from the Tor Browser Project page and also from our distribution directory. The Tor Browser Team is proud to announce the first stable release in the 7.0 series.
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