commit c838651340d70b0f5cfd739ac32032315587309e Author: Georg Koppen <gk@torproject.org> Date: Tue Jul 2 08:16:28 2019 +0000 squash! TB4: Tor Browser's Firefox preference overrides. Bug 31059: Enable Letterboxing --- 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 ec623730bc17..546def678d7a 100644 --- a/browser/app/profile/000-tor-browser.js +++ b/browser/app/profile/000-tor-browser.js @@ -156,6 +156,8 @@ pref("dom.vr.enabled", false); // Bug 21607: Disable WebVR for now // Disable randomised Firefox HTTP cache decay user test groups (Bug: 13575) pref("security.webauth.webauthn", false); // Bug 26614: Disable Web Authentication API for now pref("browser.cache.frecency_experiment", -1); +// Enable letterboxing +pref("privacy.resistFingerprinting.letterboxing", true); // Third party stuff pref("privacy.firstparty.isolate", true); // Always enforce first party isolation