Steps to Reproduce

cook an asset that has:

  • Morph targets
  • Generated LODs
    • Reduction settings has "remap morph target" enabled

The build will use the running platform morph target instead of the target platform morph target. If the vertices count differ from one platform to another, the morph target data will not fit.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-138356 in the post.

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Fixed
ComponentUE - Editor - Framework - Asset Build
Affects Versions4.275.0
Target Fix5.0
Fix Commit18583443
Main Commit18583522
CreatedJan 5, 2022
ResolvedJan 12, 2022
UpdatedFeb 22, 2022