You can still install any software you want on your Mac. As that bugzilla page says, Firefox already uses plenty of private APIs, so this doesn't seem to be a b

You can still install any software you want on your Mac. As that bugzilla page says, Firefox already uses plenty of private APIs, so this doesn't seem to be a big deal in practice. And Firefox was not rejected from the App Store, another XUL client was (IMVU).