Been using them for 2 years now, I think. Been happy with it, just rotated the batteries a few mins ago. Only thing to understand is that its reliability is determined by how many Samsung devices are around it. Location updates and all that are sent ...
Still installing. But from what I've seen:- UI overhaul- Animations (even better with HomeUp)- Vulkan integration- Changes to appsWill add more after checking it out.