[tor-commits] [Git][tpo/applications/tor-browser][tor-browser-150.0a1-16.0-1] fixup! Firefox preference overrides.

["Pier Angelo Vendrame (@pierov) via tor-commits" <tor-commits@xxxxxxxxxxxxxxxxxxxx>]

Title: GitLab

Pier Angelo Vendrame pushed to branch tor-browser-150.0a1-16.0-1 at The Tor Project / Applications / Tor Browser

Commits:

• fe9d9914
  by Pier Angelo Vendrame at 2026-04-21T11:15:21+02:00

  fixup! Firefox preference overrides.
  
  BB 44521: Disable widget.wayland.fractional-scale.enabled.
  
  It introduces fingerprinting opportunities to users who manually
  enabled Wayland, so disable it until we decide to make Wayland the
  default also for our browsers.
  

1 changed file:

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

Changes:

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

---

...	...	@@ -585,6 +585,9 @@ pref("widget.wayland.vsync.enabled", false);
585	585	// marked with a specific rating is loaded or not.
586	586	pref("security.restrict_to_adults.always", false);
587	587	pref("security.restrict_to_adults.respect_platform", false);
	588	+// tor-browser#44521: Disable Wayland fractional scaling at least until we keep
	589	+// Xwayland as the default.
	590	+pref("widget.wayland.fractional-scale.enabled", false);
588	591
589	592	// tor-browser#41943: defense-in-depth, but do not lock anymore (enabled in Firefox 119, http://bugzil.la/1851162)
590	593	pref("_javascript_.options.spectre.disable_for_isolated_content", false);

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