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Is there any update on this? I'm experiencing a very similar problem with a grid of PKCanvasViews only since iPadOS 15. My canvases' presentations stay blank although the touchesBegan/Moved/Ended/Cancelled events are registered. The strokes are just not visible. No unexpected background coloration or faulty black rectangular presentation of strokes here. (I set the canvases' background color to clear.) Any first and second grid PKCanvasView I draw in will behave normally. Any third grid PKCanvasView I draw in will show the stroke while drawing. When finished, the stroke will disappear and several insufficient memory errors are thrown. Any fourth or later grid PKCanvasView I draw in will show neither currently drawn nor finished strokes. Throughout the drawing, insufficient memory errors and occasional non-zero time already exists errors are thrown.

Hello Bobjt, can you elaborate on how/if the use of LiDAR hardware and ARConfiguration.SceneReconstruction.mesh or .meshWithClassification affects the worldmap generated in an AR session in terms of fidelity (e.g. robustness against varying lighting situations) for reusability on other devices (persistant AR)?My use case: I am preproducing worldmaps for later use in the release version and am wondering if the worldmaps generated with the LiDAR iPad are any improvement over worldmaps from, say, iPhone 11 Pro. I am using ARKit with SceneKit.Thanks!