Unreal Engine Issues

Make sure empty HLOD actors are irrelevant during cook

HLOD actors may be empty and have no meshes generated for them in which case they should not be included in the cooked game. ...

HLOD fading reset after view reset

From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...

WP HLOD Crash on Small Cell Sizes

HLOD Build crashing when building nanite for mesh with 2 material having the same parameters

From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...

"Exclude From HLOD Levels" has no effect in a World Partition level set up with HLODs

WorldPartitionHLODsBuilder keeps generated HLOD meshes and causes run out of memory

Emissive map texture is not set to material when building Approximate Mesh from HLOD Outliner

Emissive textures seem to be set correctly in the case of building HLOD in the world partition. However, licensees who do not use World partition seem to build HLOD with HLOD Outliner. [Image Remov ...

MaterialProxyReplace node does not work with Approximate setting in HLOD generation or Actor Merge

This is the same behavior for HLOD generation of World Partition. Replace is useful when there is a material that changes parameters with information such as camera. ...

Crash after generating HLODs for approximated meshes that have all triangles culled

The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...

Crash when dragging and dropping sub-level Actors into HLOD Outliner

In 4.27.2 a new cluster is created without any problem. ...