I am having this problem, in particular with applications like ExplainEverything and GoodNotes.Strokes with the pencil sometimes dissolve into single dots or vanish again completely. Writing becomes a tedious process. Pencil appears to be much more easily disturbed by the palm resting on the screen. Changing the tip did not help.The problem appeared after upgrading to iOS 11. I did not notice anything like this before that - the pencil worked just fine.Forgetting the bluetooth device and then pairing again appeared to help a bit, at least temporarily.
Topic:
App & System Services
SubTopic:
Core OS
Tags: