iOS calc sometimes registers a press but not a release(?) and a key gets stuck in "pressed" state and doesn't count as an input. Many years issue which renders

iOS calc sometimes registers a press but not a release(?) and a key gets stuck in "pressed" state and doesn't count as an input. Many years issue which renders it completely unusable, unless you're careful with your tapping. A new level of skeuomorphism, I guess, non-physical buttons that get stuck.