if you have a retina display, this "even" is sort of a joke, because ff is so CPU-heavy (and often slow) that it's unusable for me https://bugzilla.mozilla.org/show_bug.cgi?id=1404042
But it is true that for some users Firefox on retina is barely usable. It is a confirmed bug.
if you have a retina display, this "even" is sort of a joke, because ff is so CPU-heavy (and often slow) that it's unusable for me https://bugzilla.mozilla.org/show_bug.cgi?id=1404042