Thanks for the detailed reply. I am planning to test drive GrapheneOS. The things making me doubt the switch is basically my payment applications (I do nearly all my payments via Gpay or similar apps), my camera, and compatibility with my fitness app (Garmin Connect). Other than that I don't really have any worries. I suck at changing my routines so the change-over period might be painful but I'm thinking of carrying around two phones during it to reduce the effects, though I don't know if that is good or bad for quicker transitioning.