in iOS 16 simulator, Open default photo app - [Edit]
Draw a path with PencilKit.
The path is removed after mouse pointer up immediately.
It seems to there is a bug in iOS16 simulator..
XCode 14, iOS 16 Simulator PencilKit functionality Bug
I have the same problem as you
Same issue here. Are you seeing it work on a device, but not on the simulator? I don't have a device to try it on, but this is happening on the simulator for me.