Lack of media key control and pinch to zoom are the 2 that stop me from using Firefox (I use Brave instead)
> You can turn it on by setting 'apz.allow_zooming' to true. It sort of works but has bugs. You can track the progress and report problems that you see here: https://bugzilla.mozilla.org/show_bug.cgi?id=1461360.*
¹ https://www.reddit.com/r/firefox/comments/bcebze/its_2019_wh...