Unreal Engine Issues

Morph target is not applied on the first frame in Level Sequence

When a skeletal mesh with morph targets spawns in the sequence, the morph is not reflected in the first frame.  In the ProcessStage_SkinCache call of SkeletalMesh, MorphVertexBuffer->SectionIds is ...

Skeletal mesh ddc key is always regenerated on load when LOD bones to remove are set

In FMeshBoneReduction::ReduceBoneCounts we are calling InvalidateDeriveDataCacheGUID.  If a user has specified bones in the Bones To Remove array for the mesh LOD, this will invalidate the guid.  Th ...

Preferred Angles Don't Work on Manny Thigh

Performance decreases with the number of morph targets

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

Investigate render flush at SkeletalMeshComponent InitLODInfos

From UDN : we are spawning a number of characters at the same time during the game, and seeing a major framerate hitch when we do so. After the characters have been spawned, we use SetSkinnedAssetA ...

FSkeletalMeshRenderData::Cache doesn't store and restore versions

A licensee was trying to extend the FSkelMeshSection, FSkelMeshRenderSection and USkeletalMesh serialisers with their licensee version number and found that the FSkeletalMeshRenderData::Cache functi ...

IKRetargeter Export Selected Animations Saves Exported Animations Even When Cancelled

Occurs 3/3 times When 'Export Selected Animations' button is clicked and then canceled, animations continue to be saved.  ...

Crash editor after editing property of TwoBoneIK node

Crashes after editing properties of TwoBoneIK node. If following the reproduction steps, the binding of NodePropertyDelegateHandle will not be removed, causing illegal access on the second editing. ...

When using a Fullbody IK node in a C ++ project, the node is no longer referenced on reboot

[CrashReport] UE4Editor-Slate!FSlateApplication::OnMouseUp(EMouseButtons::Type,FVector2D) [SlateApplication.cpp:5321]

Generated from CrashReporter User information:Tried to choose f_med_brw_body_skmesh for the retargeting pose as mentioned at: https://docs.unrealengine.com/en-US/Resources/Showcases/MetaHumans/Reta ...