Search Issue Tracker

Fixed in 5.4.2



Found in


Issue ID




[iOS] Touch Input Drops Out At High FPS



Steps to reproduce:
1) Open the attached project.
2) Deploy to an iOS device and run.
3) Start drawing on the screen.

Red 'x' signs appear on the drawn lines - they mean stationary touch events were recorded.
This is a regression of case #717707 (see for more detailed info).

Note: sometimes opening the Notification Center (swiping from the top of the screen), or Control Center (swiping from the bottom) makes the issue dissapear for a short while.

Reproduced on:
5.5.0a5, 5.4.0f3

Did not reproduce:
5.3.6p1, 5.3.4f1, 5.3.0b5

iPad Mini 2, iOS 10.0 beta 3 - reproduced
iPhone SE, iOS 10.0 beta 3 - reproduced
iPad Air, iOS 8.1.1 - reproduced.
iPhone 6+, iOS 8.0 - did not reproduce

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.