It looks like Postprocess material is blend from the parameters of Parent material to the ones of Material instance which is not expected. If the parameters are for UVs, and the value difference between Parent and instance is huge, the final looking is just messed up when doing the blend
Expectation: no blend of those parameters between Parent material and material instance.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-67025 in the post.
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Component | UE - Graphics Features |
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Affects Versions | 4.20e4 |
Created | Nov 30, 2018 |
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Resolved | Aug 18, 2021 |
Updated | Sep 19, 2021 |