The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...
It is behaving correctly in 4.27.2. ...
When a Cube of StaticMeshActor is placed, it is generated without any problem. ...
The R channel of UV1 is not a problem. ...
HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...
You can also check it by enabling real-time rendering in the NewMap.umap of the attached project, and then clicking on "High Resolution Screenshots". (You may need to disable and enable post-process ...
The licensee shared information that a Null check on the following Actor can be used as a workaround. static TArray<UActorComponent*> GatherHLODRelevantComponents(const TArray<AActor*>& InSourceAct ...