A licensee noticed that SUPPORTS_ANISOTROPIC_MATERIALS is not passed to FShadeLightSamplesCS::ModifyCompilationEnvironment for MegaLights ShadeLightSampleCS. Adding it fixes the issue.
Steps to Reproduce
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-373716 in the post.
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| Component | UE - Rendering - Graphics Features - Lumen |
|---|---|
| Affects Versions | 5.7 |
| Target Fix | 5.8 |
| Fix Commit | 52963062 |
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| Created | Apr 14, 2026 |
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| Resolved | Apr 21, 2026 |
| Updated | Apr 29, 2026 |