The pak file specified in PakFileRules is not created correctly

UE - CoreTech - Aug 8, 2023

The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...

"Used with Particle Sprites" prevents material instances thumbnails from being editable

UE - Rendering Architecture - Materials - Aug 4, 2023

The thumbnails helpers will force material instances to be a plane, if their parent material is unedited. This can be worked around by editing the parent material, but editing the material instance ...

BoneList and BoneFilterActionOption in LOD0 of LODSettings are displayed after editing other LOD level

UE - Anim - Runtime - Jul 31, 2023

BoneList and BoneFilterActionOption in LOD0 of LODSettings are filters by the following code. void FSkeletalMeshLODSettingsDetails::CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) { ... st ...

BP property initialization fast path does not handle non-instanced properties assigned to default subobjects correctly

UE - Framework - Blueprint - Jul 27, 2023

Non-instanced object ref properties are incorrectly being skipped at property initialization time when Blueprint class instances are spawned with the fast property initialization path enabled. This ...

WorldPartitionRenameDuplicateBuilder rename breaks soft object refs

UE - World Creation - Worldbuilding Tools - World Partition - Jul 26, 2023

Renaming map using builder will break soft obj refs and warnings will also appear in the log: Warning: Serialized Class /Script/Engine.World for a property of Class /Script/Engine.Actor. Reference ...

Console history in packaged game is not saved

UE - CoreTech - Jul 25, 2023

Console history is saved correctly in 5.1. The cause is input.ini in EnhancedInput and InputDebugging added in 5.2. Removing these files are a work around. ...

Cull Distance Volumes don't work with WP

UE - World Creation - Worldbuilding Tools - World Partition - Jul 19, 2023

When breaking a level instance, foliage instances in the LevelInstance are placed in the wrong location

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 8, 2023

Following code works as a work around. The code updates placement information of instances. TMap<UFoliageType*, TArray<const FFoliageInstancePlacementInfo*>> AInstancedFoliageActor::GetInstancesF ...

Compatible Skeletons: Support additive animations with different skeleton for additive base

UE - Anim - Runtime - Jun 30, 2023

See linked UDN for details: [Link Removed] ...