[tbb-commits] [tor-browser/tor-browser-87.0b4-10.5-1] squash! TB4: Tor Browser's Firefox preference overrides.

[gk at torproject.org]

commit b99115221e3e88ef60784fa43f4f841f2fe51557
Author: Matthew Finkel <sysrqb at torproject.org>
Date:   Mon Mar 22 18:10:07 2021 +0000

    squash! TB4: Tor Browser's Firefox preference overrides.
    
    Bug 40383: Disable dom.enable_event_timing
---
 browser/app/profile/000-tor-browser.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/browser/app/profile/000-tor-browser.js b/browser/app/profile/000-tor-browser.js
index 885a3fe4867b..76ee3a4aa1e1 100644
--- a/browser/app/profile/000-tor-browser.js
+++ b/browser/app/profile/000-tor-browser.js
@@ -187,6 +187,8 @@ pref("privacy.resistFingerprinting.letterboxing", true);
 pref("dom.netinfo.enabled", false);
 pref("network.http.referer.defaultPolicy", 2); // Bug 32948: Make referer behavior consistent regardless of private browing mode status
 pref("media.videocontrols.picture-in-picture.enabled", false); // Bug 40148: disable until audited in #40147
+// Bug 40383: Disable new PerformanceEventTiming
+pref("dom.enable_event_timing", false);
 
 // Third party stuff
 pref("privacy.firstparty.isolate", true); // Always enforce first party isolation