After upgrading (?) our test devices to iOS10, all our apps have started exhibiting the same problem:
In a ~1cm strip down the left hand edge (portrait), static touch input is only registered after pressing the screen continuously for ~1 second. Swipes are registered instantly.
I've tried logging out the result from TouchDown directly. If I don't touch the screen, it's zero. If I touch the screen outside that 1cm strip, it instantly changes to 1. If I swipe the screen inside that strip, it instantly changes to 1. But if I statically touch the screen inside that strip, it takes a continuous press of ~1 second before the output changes to 1.
This is a pretty big deal as we have a few buttons that live in that left hand strip and now give the impression of being unresponsive.
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