How Mozilla prioritize development?
These bugs can steal users from chrome - https://bugzilla.mozilla.org/show_bug.cgi?id=1442140 https://bugzilla.mozilla.org/show_bug.cgi?id=1432032 https://bugzilla.mozilla.org/show_bug.cgi?id=469441
Alle svar (1)
All of those are listed as P5, which is the lowest priority bug. You are more than welcome to submit patches if you'd like.
This is not the place to discuss development of Firefox, so I'm locking this thread.