Tracking Lost after switching between face tracking and world tracking

[KyryloKuzyk]

I don’t think the issue is specific to iOS 14, I replicated this bug also in iOS 13.
I think the issue is applicable to devices that support 6 degrees of freedom on the front camera.

Here is my original answer:

AF Foundation Camera switching not working

I encountered a similar bug on the new iPad with LiDAR. It seems to me, the issue is related to devices that can track 6 degrees of freedom on the front camera. And after you switch to a back camera, the camera position and rotation will not be updated. Here is a memo I left for my future self in the comments "Bug in ARKit: camera position and rotation will not receive updates with world camera and session state will always be <= SessionInitializing if all these conditions are met: - your…