[ARMeshManager](xref:UnityEngine.XR.ARFoundation.ARMeshManager) no longer throws `ArgumentNullException`s ("Value cannot be null") when exiting play mode in the editor.
Fixed Issue 1353859: During face tracking, each `ARFace` may create three additional GameObjects to represent the left eye, right eye, and fixation point. Previously, this would also and incorreclty create three additional, superfluous GameObjects at the origin. These additional GameObjects are no longer created.
Fixed issue 878 where `XROcclusionSubsystem` would use `Provider.environmentDepthCpuImageApi` instead of `Provider.environmentDepthConfidenceCpuImageApi` when acquiring the Environment Depth Confidence CPU Image.
