set duckduckgo as default search engine firefox

(Well, you can change the setting but nothing will happen.) This bug report has the details: store 'current search engine' configuration outside of prefs. As of Firefox 34 and later, this is no longer possible. This will break extensions who set the selectedEngine from their code instead of setting it through the service. 2 Answers Sorted by: 0 This used to be settable via. ignore user values of (we still need to respect the default value, because that's the way the default search engine is customized for different locales, or for ESR users).completely stop using (except for a one time migration),.Since this is a high-value configuration option, it makes more sense to store this information outside of prefs (which are designed to be modular and overridden). by writing to the user's pref file, or dropping in a user.js file in the profile, or shipping an addon with a different value for that pref). Store 'current search engine' configuration outside of prefsĪ common way to hijack searches is to override the pref (e.g. (Well, you can change the setting but nothing will happen.) This bug report has the details:

Set duckduckgo as default search engine firefox