id summary reporter owner description type status priority milestone component version severity resolution keywords cc focuses 21455 HiDPI (retina) theme custom backgrounds nacin joemcgill "We should support HiDPI custom backgrounds. This will be a bit easier than custom headers, #21389, as we can do a media query in _custom_background_cb(). Worth noting that we will still need to solve some aspect of retina uploads, #21038." enhancement closed normal Customize normal maybelater close