World Partition: warnings on editor only actors when running the editor in -server/-game mode

UE - World Creation - Worldbuilding Tools - World Partition - Apr 16, 2024

The warning for editor-only actors is unnecessary in these modes where they don't exist. ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

UE - Anim - Rigging - Control Rig - Apr 16, 2024

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

UE - Anim - Synthesis - Apr 12, 2024

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

AR Kit Env Probes are backwards

UE - Platform - XR - Apr 11, 2024

[Link Removed] Original issue shared on UDN: [Link Removed] ...

Add error message when unable to delete external actor file on disk

UE - World Creation - Worldbuilding Tools - OFPA - Apr 11, 2024

Edit Conditions on Struct that contains FGameplayTagQuery leave the property readonly

UE - Gameplay - Gameplay Tags - Apr 8, 2024

When inside an array is used a UStruct with a FGameplayTagQuery var that has the EditCondition meta that is evaluating inside the struct. When a new element is added to the array in the editor, if a ...

Nanite mesh not culled when owner is editor only actor in gameview

UE - Graphics Features - Nanite - Mar 29, 2024

Nanite mesh is not culled because "DrawInGame" value in the primitive uniform buffer is always 1. Can be fixed with below modification:// in FPrimitiveSceneProxy::FPrimitiveSceneProxy DrawInGa ...

Sampler Source: From Texture Asset with Streamed Virtual Texture

UE - Rendering Architecture - Mar 28, 2024

It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...

Clustering GeometryCollections in sleep state forces them to awake

UE - Simulation - Visual - Mar 27, 2024

The sleep state will be overwritten in ClusterUnionManager::UpdateAllClusterUnionProperties. Clustering using AClusterUnionActor results the same behavior as well. ...

Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session

UE - Gameplay - Network Prediction - Mar 27, 2024

Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...