World position offset behaves differently when setting its value directly on the result node

UE - Rendering Architecture - Materials - Jul 8, 2024

The world position offset input of the result node does not behave consistently. There is an obvious visual difference between the setting it by connecting a float3 color constant, versus setting th ...

Incorrect behavior after attaching an actor to a non-root component of another actor in the Editor

UE - Editor - Workflow Systems - Jul 3, 2024

UE allows actors to be attached to other actors. More precisely, it allows the root component of an actor (child) to be attached to any component of another actor (parent). From now on, "parent" and ...

Crash when enabling global logging in 5.4.2

UE - Foundation - Jul 3, 2024

Packaged projects on 5.4.2 (DebugGame) crash immediately on startup when it is opened through the command line using the global logging very-verbose argument. ...

GPU Lightmass does not support bounce lighting from landscapes

UE - Graphics Features - Jun 29, 2024

GPU Lightmass does not support bounce lighting from landscapes, but CPU Lightmass does. ...

All public inline methods of class "FBlueprintEditor" are inaccessible to other modules due to "DLLIMPORT"

UE - Gameplay - Blueprint Editor - Jun 28, 2024

Class "FBlueprintEditor" has several inline getter methods as part of its public API (e.g. GetPreviewActor() and GetPreviewScene()). However, even though they are public, those methods are inaccessi ...

The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.

UE - Gameplay - Blueprint Editor - Jun 28, 2024

In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...

Make ConfigBranch creation thread safe

UE - CoreTech - UObject - Jun 28, 2024

See [Link Removed] for details ...

Actors of standalone level instances remain unloaded in editor

UE - World Creation - Worldbuilding Tools - Level Instances - Jun 27, 2024

Imposter renders incorrectly in PCG volume after updating to 5.4

UE - World Creation - Procedural Tools - PCG Component - Jun 27, 2024

The last level of impostors in PCG volumes render incorrectly after updating from 5.3 to 5.4. ...

HLODs generate incorrectly with Substrate enabled

UE - World Creation - Worldbuilding Tools - HLOD - Jun 26, 2024

Happens when using multiple layers:"Testing this further it appears that it only occurs with multiple HLOD layers. The default setup has an instanced HLOD with a merged mesh HLOD parent. If you remo ...