morgan pushed to branch tor-browser-128.6.0esr-14.5-1 at The Tor Project / 
Applications / Tor Browser


Commits:
4d475b56 by Pier Angelo Vendrame at 2025-01-13T14:11:30+00:00
fixup! Firefox preference overrides.

BB 43236: Disable vsync on Wayland.

Vsync leaks the monitor refresh rate, therefore it is already disabled
on other platforms, including Linux/X11 and Windows.

- - - - -


1 changed file:

- browser/app/profile/001-base-profile.js


Changes:

=====================================
browser/app/profile/001-base-profile.js
=====================================
@@ -466,6 +466,8 @@ pref("browser.display.use_system_colors", false);
 // tor-browser#43366: do not use system accent color in inputs.
 // See also https://bugzilla.mozilla.org/show_bug.cgi?id=1861362.
 pref("widget.non-native-theme.use-theme-accent", false);
+// tor-browser#43236: Disable vsync on Wayland to prevent refresh rate leaks.
+pref("widget.wayland.vsync.enabled", false);
 
 // tor-browser#41943: defense-in-depth, but do not lock anymore (enabled in 
Firefox 119, http://bugzil.la/1851162)
 pref("javascript.options.spectre.disable_for_isolated_content", false);



View it on GitLab: 
https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/4d475b567521005566955643dce28a2210f41f60

-- 
View it on GitLab: 
https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/4d475b567521005566955643dce28a2210f41f60
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