Poweramp, IMO the UX is excellent and it has tons of powerful features. No other music player I’ve tried comes close.

Depends on the car, some of them are smarter about it. I remember my dad’s old pickup would downshift if it picked up speed while not touching the throttle, like when going downhill

Here is a list of most banking apps and whether they work or not. I’ve been using GrapheneOS for a while and haven’t encountered major problems. Only thing I wish I knew beforehand is that multi-user profiles are more cumbersome than what most people say.

WebKit is only open source because they forked KHTML to create it, which is licenced under LGPL