Cached camera component on LevelSequencePlayer is null

UE - Anim - Sequencer - May 14, 2024

Non-terminating while loop when creating a new BP Actor and quickly switching between components.

UE - Gameplay - Blueprint Editor - May 14, 2024

It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815  to not terminate when ...

Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;

UE - Foundation - Core - May 14, 2024

The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...

[AI] Navmesh shows in editor but does not get loaded in PIE

UE - AI - Navigation - May 13, 2024

When using static or dynamic modifiers only navmesh, there are times that the navmesh will build and display correctly in editor, but it does not get properly loaded at runtime (PIE/SIE). The Recast ...

Cached camera component on LevelSequencePlayer is null

UE - Anim - Sequencer - May 13, 2024

PackedLevelActors are not updated when changing some properties

UE - World Creation - Worldbuilding Tools - Level Instances - May 13, 2024

Packed level actors may not be updated after changing certain properties. Workaround: reload the level containing the PLA. ...

Rect light artifacts from NaN pixels on surfaces that are coplanar with light position

UE - Graphics Features - May 10, 2024

Rect lights cause artifacts (nan pixels) on pixels of surfaces that are coplanar with light position.  In RectLight.ush, in RectIrradianceLambert, at line 106, c30 is -1, so rsqrt(0) causes a nan to ...

Expanding pins and moving nodes in graph marks Compile as dirty

UE - Anim - Rigging - Control Rig - May 8, 2024

Expanding pins and moving nodes in the graph marks the Control Rig blueprint as dirty, requiring a recompile of the entire blueprint.  Blueprints do not do this.  ...

Serialized Blueprints containing MIDs do not load correctly in packages.

UE - Rendering Architecture - Materials - May 8, 2024

This issue is an easy fix but raises a different problem which is likely ingrained in UE, which is that MIDs should not be serialized out and should always be transient. Unfortunately we are in a po ...

Conditional crash when a DragAndDrop operation is done betweeen Data Layers.

UE - World Creation - Worldbuilding Tools - Data Layers - May 8, 2024

A crash occurs to the engine as when we when have unreal as a backgroud task, and we try to drag and drop a layer to another by selecting the layer visibility button. ...