CanvasElementRoundedRect vanishes when Canvas is rotated 90 degrees to camera

[holomatt]

Describe the bug

When rotating a worldspace canvas containing CanvasElementRoundedRect, the element vanishes when rotated exactly 90 degrees to the camera.

To reproduce

Add a worldspace Canvas
Add and configure a CanvasElementRoundedRect
Add a ConstantRotator or similar basic rotation animation to the Canvas

Expected behavior

CanvasElementRoundedRect does not vanish when rotated exactly 90 degrees

• Unity Version 2021.3.9
• Graphics Tools Version 0.5.1

Target platform (please complete the following information)

• UWP, Standalone