Unreal Engine Issues

Alembic geometry cache not writing data into a virtual texture

Geometry collection - source geometry not updating and reset bug

This issue was reported by a customer trying to modify the static meshes of a GeometryCollection. After removing some meshes from the Geometry Source, he used the Reset button to apply the changes t ...

Channel Mask Parameter UI display discrepancy

UAssetImportTask::bReplaceExisting is not supported with interchange

Add this code to a function you call from a blue utility widget or any other way to start the import with this code.TArray<UAssetImportTask*> ImportTasks; for (int32 i = 0; i < cFC.Files.Num(); i++) ...

Static Mesh Scene Actor Flipped Normals

Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...

Emissive material lighting falloff regression in GPU Lightmass

Forum user noted that emissive lighting being built with GPU Lightmass is in fact being built, just not around the mesh, but in a larger radius and with reduced strength compared to 5.1.1. They foun ...

User Defined Enums don't support the UseEnumValuesAsMaskValuesInEditor meta specifier

The Make Bitmask node uses the flag index rather than the flag mask value unless the enum has the UseEnumValuesAsMaskValuesInEditor meta specifier. UserDefinedEnums in the editor don't support this ...

Control Rig function nodes cannot have their color changed in 5.3

Volumetric Clouds High Quality Aerial Perspective Issue

There is a workaround to set r.VolumetricRenderTarget.Mode=1. The lines appear to be coming from the temporal component of the Volumetric Clouds. Each frame, the lines are merged in from the previou ...

Ensure/failure when changing the class of a scene component that has bVisualizeComponent enabled

Failure occurs at compile time during GC when the replacement component that we create is being destroyed. This component includes the BillboardComponent instance that's attached to the scene compon ...