Round ALL OF THE CORNERS. Is there a button in the corner of you game that you’ve always loved to play in multi-window? How about fuck you?
Frequent user of YouTube picture-in-picture? You don’t need those corners, and also you don’t need the window to be ANYWHERE except the edge of the screen and if you’re using landscape you can just get fucked.
Android 15 could revamp the volume panel and make it collapsible (www.androidauthority.com)