Unreal Engine Issues

When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly

Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...

Crash Duplicating an empty AtlasRow material node

This isn't a hard crash, but a "verify(...)" from MaterialExpressions.cpp, line 559. ...

Some post-processing passes sample outside of the viewport when using scene capture components

It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...

Thin translucent doesn't work with separate translucency and Before-DOF

Static Mesh Only enabled Foliage Actor causes serialization error in packaged game

The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA     if (!Ar.IsCooking()) // ...

FPropertySoftPath::Resolve doesn't resolve c-array elements properly

a fix was proposed in the UDN but it needs to be tested and revised ...

In-editor hitch when deleting one actor in a world with many loaded actors

When editing a level with many actors (1000+), deleting an actor results in a noticeable hitch: the editor becomes unresponsive for seconds. This hitch becomes longer the more actors are loaded and ...

Renaming a Blueprint interface asset doesn't update the ImplementedInterfaces list in the Blueprint editor's Class Settings tab

There is no UI refresh for the Implemented Interfaces list in the Blueprint editor UI after a Blueprint Interface asset is renamed in the Content Drawer. Consequently, the interface cannot be remove ...

Mass Agent Component implementation triggers Aggressive Default Reference Replacement ensure

Workaround: Construct the DefaultSubobject with ... = CreateDefaultSubobject<UMassAgentComponent>(TEXT("MASS"), true); The issue appears to be that the DefaultSubobject holds a pointer to the CDO ...

K2Node_FunctionEntry: Focusing "Name" property in Details panel changes function name to display format

Users can enter blueprint function names without spaces, for example PascalCase (MyFunctionName) or snake_case (my_function_name). The "My Blueprint" tab functionality for naming functions allow all ...