Based on the latest Firefox 52 ESR (Extended Support Release) web browser form Mozilla, Tor Browser 7.0 is a major update that introduces the multiprocess mode (e10s) and content sandbox from Mozilla Firefox, as well as the ability for Linux and macOS users to further harden their Tor Browser setup via Unix Domain sockets when communicating with the Tor anonymous network. To further improve the tracking and fingerprinting capabilities of Tor Browser, the development team have managed to isolate cookies, Permissions API and view-source requests to the first party URL bar domain, as well as to disable and/or patch various technologies like WebGL2, WebAudio, SpeechSynthesis, the MediaError.message property, Social, and Touch APIs.
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