Problem seams to be coming from MaterialTemplate.ush's GetDerivativeCoverageFromMask()

Steps to Reproduce

Create project

Use forward renderer

Switch MSAA to 8x

Create a masked material and place in level editor

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There's no existing public thread on this issue, so head over to AnswerHub just mention UE-111048 in the post.

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CreatedMar 18, 2021
UpdatedApr 8, 2021