Rendering Issues in iOS

i have a 3d-multiuser space with headless physics running for a client and for some reason along the development a strange rendering issue showed up that i can’t find the root of. it looks like the screen is not being cleared during redraw/rendering causing objects to smear/duplicate etc. on a random basis. pls see attached screens or try yourself at

Do you have any idea what might cause this issue?

thanks a lot!

update: the issues seems to go away temporarily when rotating the device…

This issue (and fix) has been reported before and seems to be a WebKit bug.

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