Firefox user.js

user.js

user_pref("browser.aboutConfig.showWarning", false);
user_pref("services.sync.prefs.sync.browser.aboutConfig.showWarning", true);

user_pref("media.peerconnection.enabled", false);
user_pref("services.sync.prefs.sync.media.peerconnection.enabled", true);

user_pref("media.peerconnection.turn.disable", true);
user_pref("services.sync.prefs.sync.media.peerconnection.turn.disable", true);

user_pref("media.peerconnection.use_document_iceservers", false);
user_pref(
  "services.sync.prefs.sync.media.peerconnection.use_document_iceservers",
  true
);

user_pref("media.peerconnection.video.enabled", false);
user_pref("services.sync.prefs.sync.media.peerconnection.video.enabled", true);

user_pref("media.peerconnection.identity.timeout", 1);
user_pref(
  "services.sync.prefs.sync.media.peerconnection.identity.timeout",
  true
);

user_pref("privacy.firstparty.isolate", true);
user_pref("services.sync.prefs.sync.privacy.firstparty.isolate", true);

user_pref("privacy.trackingprotection.fingerprinting.enabled", true);

user_pref("privacy.trackingprotection.cryptomining.enabled", true);

user_pref("privacy.trackingprotection.enabled", true);

user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref(
  "services.sync.prefs.sync.browser.urlbar.speculativeConnect.enabled",
  true
);

user_pref("browser.send_pings", false);
user_pref("services.sync.prefs.sync.browser.send_pings", true);

user_pref("media.eme.enabled", false);

user_pref("media.gmp-widevinecdm.enabled", false);
user_pref("services.sync.prefs.sync.media.gmp-widevinecdm.enabled", true);

user_pref("media.navigator.enabled", false);
user_pref("services.sync.prefs.sync.media.navigator.enabled", true);

user_pref("network.cookie.cookieBehavior", 4);

user_pref("privacy.purge_trackers.enabled", true);
user_pref("services.sync.prefs.sync.privacy.purge_trackers.enabled", true);

user_pref("network.cookie.thirdparty.sessionOnly", true);

user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
user_pref(
  "services.sync.prefs.sync.network.http.referer.XOriginTrimmingPolicy",
  true
);

user_pref("webgl.disabled", true);
user_pref("services.sync.prefs.sync.webgl.disabled", true);

user_pref("browser.sessionstore.privacy_level", 2);
user_pref("services.sync.prefs.sync.browser.sessionstore.privacy_level", true);

user_pref("beacon.enabled", false);
user_pref("services.sync.prefs.sync.beacon.enabled", true);

user_pref("network.dns.disablePrefetch", true);
user_pref("services.sync.prefs.sync.network.dns.disablePrefetch", true);

user_pref("network.dns.disablePrefetchFromHTTPS", true);
user_pref(
  "services.sync.prefs.sync.network.dns.disablePrefetchFromHTTPS",
  true
);

user_pref("network.predictor.enabled", false);
user_pref("services.sync.prefs.sync.network.predictor.enabled", true);

user_pref("network.predictor.enable-prefetch", false);
user_pref("services.sync.prefs.sync.network.predictor.enable-prefetch", true);

user_pref("network.prefetch-next", false);
user_pref("services.sync.prefs.sync.network.prefetch-next", true);

user_pref("network.IDN_show_punycode", true);
user_pref("services.sync.prefs.sync.network.IDN_show_punycode", true);

user_pref("extensions.pocket.enabled", false);
user_pref("services.sync.prefs.sync.extensions.pocket.enabled", true);

user_pref("reader.parse-on-load.enabled", false);
user_pref("services.sync.prefs.sync.reader.parse-on-load.enabled", true);

user_pref("browser.tabs.closeWindowWithLastTab", false);
user_pref("services.sync.prefs.sync.browser.tabs.closeWindowWithLastTab", true);

user_pref("browser.tabs.loadBookmarksInBackground", true);
user_pref(
  "services.sync.prefs.sync.browser.tabs.loadBookmarksInBackground",
  true
);

user_pref("layout.word_select.eat_space_to_next_word", false);
user_pref(
  "services.sync.prefs.sync.layout.word_select.eat_space_to_next_word",
  true
);

user_pref("mousewheel.min_line_scroll_amount", 30);
user_pref("services.sync.prefs.sync.mousewheel.min_line_scroll_amount", true);

user_pref("permissions.default.camera", 2);
user_pref("services.sync.prefs.sync.permissions.default.camera", true);

user_pref("permissions.default.desktop-notification", 2);
user_pref(
  "services.sync.prefs.sync.permissions.default.desktop-notification",
  true
);
user_pref("permissions.default.geo", 2);
user_pref("services.sync.prefs.sync.permissions.default.geo", true);

user_pref("permissions.default.microphone", 2);
user_pref("services.sync.prefs.sync.permissions.default.microphone", true);

user_pref("permissions.default.xr", 2);
user_pref("services.sync.prefs.sync.permissions.default.xr", true);

user_pref("browser.newtabpage.activity-stream.feeds.section.highlights", false);

user_pref("browser.newtabpage.activity-stream.feeds.snippets", false);

user_pref("browser.newtabpage.activity-stream.feeds.topsites", false);

user_pref("accessibility.force_disabled", 1);
user_pref("services.sync.prefs.sync.accessibility.force_disabled", true);

user_pref("toolkit.winRegisterApplicationRestart", false);
user_pref(
  "services.sync.prefs.sync.toolkit.winRegisterApplicationRestart",
  true
);

user_pref("media.autoplay.default", 0);

user_pref("extensions.htmlaboutaddons.discover.enabled", false);
user_pref(
  "services.sync.prefs.sync.extensions.htmlaboutaddons.discover.enabled",
  true
);

user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
user_pref(
  "services.sync.prefs.sync.extensions.htmlaboutaddons.recommendations.enabled",
  true
);

user_pref(
  "browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons",
  false
);

user_pref(
  "browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features",
  false
);

user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref(
  "services.sync.prefs.sync.toolkit.legacyUserProfileCustomizations.stylesheets",
  true
);

user_pref("media.hardwaremediakeys.enabled", false);
user_pref("services.sync.prefs.sync.media.hardwaremediakeys.enabled", true);