Unreal Engine Issues

Material Functions are incorrectly listed in the Layer Asset list

Since UE 5.7, Material Functions are included in the Layer Asset list of the Material Layers of an instanced material using material layers. It is also possible to drag and drop Material Functions ...

Ending a GameplayAbility from an AbilityTask created by the same GameplayAbility does not correctly end the AbilityTask, and it continues ticking.

When a GameplayAbility is ended from within a child AbilityTask, the AbilityTask is not cleaned up correctly. As a result, even though the GameplayAbility is no longer active, the AbilityTask contin ...

UGS log a total sync time that is roughly double the actual time

Textures from Data tables do not work with Clip with UV Mask.

Currently this workflow fails to generate in mutable, but using static paramters for textures do work. ...

PCG Volume does not regenerate after being moved through a sequencer sequence

Any transform modifications on the PCGVolume by Sequencer use USceneComponent::SetRelativeTransform directly and are not tracked by the TrackingManager (FPCGTrackingManager::OnObjectPropertyChanged ...

Custom Primitive Data is not affected in the skeletal mesh on BP instances in the editor

Editing Custom Primitive Data values ​​in the details panel of a placed BP actor with a Skeletal Mesh component does not reflect in the Editor viewport. ...

Memory leak in FMaterialPSORequestManager

Context: FMaterialPSORequestManager::PrecachePSOs() is called at runtime when an asset utilizing a material is loaded. This occurs during engine init, travel, and when any async or synchronous load ...

UEditorEngine::OnAllPIEInstancesStarted() called prematurely, multiple times, while PIE clients are starting

Context UEditorEngine::OnAllPIEInstancesStarted() is a virtual function that gets called when launching Play-in-Editor. It can be overridden if the game project chooses to introduce a subclass of U ...

The public header file ModelingToolsEditorModeToolkit.h exposes private module definition of ENABLE_STYLUS_SUPPORT

Detaching a component with "KeepRelative" location rule can result in incorrect location on client

When receiving a replicated detachment, USceneComponent::PostRepNotifies will call DetachFromComponent with the KeepWorldTransform detachment rule. If the component is detached on the server with th ...