Unreal Engine Issues

UE-137197

Duplicating skeletal mesh assets with groom in world outliner changes Hair UV layout

Duplicating skeletal mesh assets with groom in world outliner changes Hair UV layout

Description

Having duplicate characters with groom, hair UV layout changes which results in visible shift in character look and also changes color based on camera distance and lights in the scene (hair would flash bright or color shift to darker)

Steps to Reproduce
  1. Add skeletal mesh asset with groom (such as meer kat example) to scene
  2. Duplicate several times in world outliner
  3. View hair UV layout with r.Hairstrands.StrandsMode 3

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Fixed
ComponentUE - Rendering Architecture - Materials
Affects Versions4.26.2, 4.27.1
Target Fix5.1
Fix Commit17842573
CreatedDec 10, 2021
ResolvedDec 14, 2021
UpdatedMay 16, 2022