[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]

UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023

Generated from CrashReporter Logs can be obtained via Crash Reporter ...

Property Coloration isn't supported for Nanite

UE - Graphics Features - Nanite - Sep 11, 2023

Property Coloration View Mode is not supported by Nanite. (Left cube is Nanite and isn't affected by the Property Coloration view mode) [Image Removed] ...

[AI] BehaviorTreeComponent fails to run a new tree if the current tree ends with a latent abort

UE - AI - BehaviorTree - Sep 8, 2023

If a BT ends with a latent abort with another BT asset pending initialization, the BehaviorTree component will stop the tree that was aborted, but it does not start the new tree. You can check with ...

Blueprint "Set by ref" (UK2Node_VariableSetRef) does not mark properties dirty for push replication

UE - Framework - Blueprint - Sep 7, 2023

When using Push Replication with blueprints, UK2Node_VariableSetRef nodes do not mark a property as dirty and so the variable is not replicated. ...

Error when merging meshes with sections

UE - World Creation - Worldbuilding Tools - Merge Actor - Sep 6, 2023

Note that the issue does not happen if the two materials have different colors. Note also that the issue happens if one of the meshes to merge has 2 sections with the same material assigned ...

Client cannot find LevelStreaming in editor mode

UE - World Creation - Worldbuilding Tools - Sep 6, 2023

From licensee: When we run MainMap (NM-Standalone) and then open GameMap to play (options - listen). When the client joins the server, it won't be able to find the LevelStreaming in GameMap (see - ...

Volumetric lightmap + stationary light has missing shadows

UE - Rendering Architecture - Sep 5, 2023

Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...

Editor/Details Panel allows duplicate keys in TMap/TSet UPROPERTY()

UE - Editor - Workflow Systems - Sep 5, 2023

When edited through the Details Panel in the Editor, TMap and TSet properties should not allow duplicate keys. When those keys are USTRUCTs with the “WithIdenticalViaEquality” trait, this should be ...

UHT doesn't warn that a class/structure size is larger than 65535

UE - Foundation - Cpp Tools - UnrealHeaderTool - Sep 1, 2023

Static Mesh Scene Actor Flipped Normals

UE - Rendering Architecture - Aug 31, 2023

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