Same. I'm only seeing the issue on macOS builds. I contacted Apple Developer Support and others should probably do the same.

This still seems to be an issue in iOS 16.1 beta 2. This beta has removed the task menu but the "Nothing to Undo" alert is still showing after a three finger tap.

App from example: https://apps.apple.com/us/app/minimoog-model-d-synthesizer/id1339418001