It can be a bit buggy at times, but when it comes to just playing music with the screen locked, it’s perfect.
https://addons.mozilla.org/en-US/firefox/addon/video-background-play-fix/
Edit: I forgot to also mention that ad blocker extensions make sailing the seas on mobile much more manageable. Extentions, in general, have been a really nice addition.
They reverted those changes last week.
IDK, time will tell, we’ll see eventually.
We live in the world of enshittification, when changes like that happen, even when briefly reverted, are usually a sign of times to come soon…
The fact that they attempted them at all is a breach of trust (and I say that as someone who’s been a Firefox user and advocate without interruption since all the way back when it was called “Phoenix”).