Unreal Engine Issues
Unreal Engine Issues
FSkeletalMeshRenderData::Cache doesn't store and restore versions
UE - Anim - Rigging - Aug 18, 2022A licensee was trying to extend the FSkelMeshSection, FSkelMeshRenderSection and USkeletalMesh serialisers with their licensee version number and found that the FSkeletalMeshRenderData::Cache functi ...
Crash occurs when duplicating a State Machine in the My Blueprint panel within an Animation blueprint
UE - Anim - Runtime - Anim Blueprints - Aug 17, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash occurs when duplicating a State Machine in the My Blueprint panel within an Animation blueprint. ...
Crash in FMaterialUtilities::CreateFlattenMaterialInstance when building Simplified HLOD layer
UE - World Creation - Worldbuilding Tools - HLOD - Aug 17, 2022From licensee: The issue here starts in FVoxelizeMeshMerging::ProxyLOD() where the FlattenMaterial created using FMaterialUtilities::CreateFlattenMaterialWithSettings() returns an empty struct. I d ...
[MetaSounds][Voice Management] - MetaSounds set to Restart do not virtualize correctly when the Attenuation Shape is not a Sphere
UE - Audio - MetaSounds - Aug 17, 2022When using Attenuations with MetaSounds, if the Attenuation Shape is Sphere it works as expected. However, other shapes do not work correctly. The sound either becomes deactive or sometimes the soun ...
[UDN 00456011] Actors attached to a static mesh socket inside a blueprint actor not updating when the mesh is moved.
UE - Gameplay - Aug 17, 2022Lots more info in UDN ticket: [Link Removed] TLDR is that if a construction script moves a child component with an attachment point, it's attached actors don't follow. This causes editor tools to n ...
[AI] Navmesh does not generate correctly on a negatively scaled ISM.
UE - AI - Navigation - Aug 16, 2022Setting a single axis of an ISM negative results in navmesh not being generated on top of it. However, setting 2 axes to negative scale does have the navmesh generate as is expected. Also see more ...
Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving
UE - Rendering Architecture - Materials - Aug 16, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving. Tested ag ...
Stride Warping in manual mode not activating correctly based on first StrideScale
UE - Anim - Gameplay - Aug 15, 2022From licensee: If StrideScale is 1 the first time through, it initialises the StrideScaleModifierState to 1 and doesn't require updating so leaves the CachedDeltaTime at 0 by never calling Update_I ...