Unreal Engine Issues

UE-348449

If a mesh contains more than 32 material slots, it can cause a hash collision when computing the Raytracing CachedMeshCommandHash

If a mesh contains more than 32 material slots, it can cause a hash collision when computing the Raytracing CachedMeshCommandHash

EPS
Steps to Reproduce
  1. Download the project SBTBugReproduce in the attachment
  2. Open it.

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Unresolved
ComponentUE - Rendering - Features - Ray Tracing
Affects Versions5.6
Target Fix6.0
CreatedOct 11, 2025
UpdatedMay 15, 2026
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