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[tor-commits] [Git][tpo/applications/tor-browser][tor-browser-140.2.0esr-15.0-1] fixup! Firefox preference overrides.



Title: GitLab

Pier Angelo Vendrame pushed to branch tor-browser-140.2.0esr-15.0-1 at The Tor Project / Applications / Tor Browser

Commits:

  • c02477fa
    by Pier Angelo Vendrame at 2025-09-08T13:44:13+00:00
    fixup! Firefox preference overrides.
    
    BB 43950: Disable HEVC.
    
    HEVC support can be used for fingerprinting, as it's hardware-dependent
    on some systems, or depends on distribution support/installed packages
    for Linux.
    

1 changed file:

Changes:

  • browser/app/profile/001-base-profile.js
    ... ... @@ -483,6 +483,9 @@ pref("gfx.offscreencanvas.enabled", false);
    483 483
     pref("dom.disable_window_move_resize", true);
    
    484 484
     // Set video VP9 to 0 for everyone (bug 22548)
    
    485 485
     pref("media.benchmark.vp9.threshold", 0);
    
    486
    +// tor-browser#43950: Disable HEVC, as it will reveal lacking hardware support,
    
    487
    +// or differences in installed codec for Linux systems.
    
    488
    +pref("media.hevc.enabled", false);
    
    486 489
     pref("privacy.resistFingerprinting.block_mozAddonManager", true); // Bug 26114
    
    487 490
     pref("dom.webmidi.enabled", false); // Bug 41398: Disable Web MIDI API
    
    488 491
     // tor-browser#42043: Stop reporting device IDs (and spoof their number without
    

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