// Use LANG environment variable to choose locale pref("intl.locale.matchOS", true); // Disable default browser checking. pref("browser.shell.checkDefaultBrowser", false); // Don't disable our bundled extensions in the application directory pref("extensions.autoDisableScopes", 11); pref("extensions.shownSelectionUI", true); // Opt all of us into e10s, instead of just 50% pref("browser.tabs.remote.autostart", true);