Taps not registering in certain situations.
I don't have a question, but I figured something out that I would like to share with other users, because similar questions were not answered, although many pushed the "me too" button.
If your iPhone / iPad does not respond to all of your taps, try moisturising your fingers as described here:
https://melbournehand.com.au/touchscreen-difficulties-do-you-have-zombie-finger/
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Mit freundlichen Grüßen / with kind regards,
Arjen Hiemstra
iPad Pro (6th generation)