Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version

UE - Gameplay - Blueprint - Jan 5, 2023

This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...

Native variable references like GameplayAttribute cannot be searched by "Find in Blueprints" or "Asset Search"

UE - Gameplay - Jan 4, 2023

"Find in Blueprints" does not turn up results when searching a GameplayAttribute by name, even when there is a GameplayEffect blueprint that has a modifier for that GameplayAttribute. This is becau ...

Disabling Cast Static Shadows on Stationary Lights causes dynamic shadows to not render

UE - Graphics Features - Shadows - Jan 3, 2023

Regression: Tested in UE5/Release-5.1, this issue occurs as well. The shadows render properly for the sphere when Virtual Shadow Maps is set as the Shadow Method, as well as when Ray Traced Shadows ...

An added Static Mesh component with Mobility set to Static disappears at run time if the Actor is moved

UE - Gameplay - Blueprint - Jan 3, 2023

This is not a regression tested in //UE5/Release-5.0 CL20979098 An added Static Mesh component with Mobility set to Static disappears at run time if the Actor is moved. ...

Artifact occurs in package build when applying Material Layer with WPO to Opaque material

UE - Rendering Architecture - Materials - Dec 15, 2022

An artifact is seen in package builds when an instance with a base material parented by a base material with no WPO output is set to Opaque and a layer with WPO output is used. Since the WPO is igno ...

Widget's shear render transform isn't reversed when using RTL text flow

UE - Editor - UI Systems - UMG - Dec 13, 2022

When a widget's flow preference is set to RTL, we adjust the render transform so that the horizontal transform is mirrored (see SWidget::GetRenderTransformWithRespectToFlowDirection). We should do t ...

STAT_VolumetricLightmapBuildData is not counted correctly

UE - Graphics Features - Dec 9, 2022

STAT_VolumetricLightmapBuildData isn't counted correctly. It seems that the root cause is Volume.IndirectionTexture.DataSize is set to 0 before STAT_VolumetricLightmapBuildData is decreased.// Prec ...

Custom Node interprets MaterialAttributes inputs as float3

UE - Rendering Architecture - Materials - Dec 8, 2022

It seems that the Material Editor's Custom nodes don't handle inputs of type FMaterialAttributes correctly, and instead interpret them as float3. Using Material Attributes as an input to a Custom E ...

[Soundfield Submix] - Output is silent when routing sound to Unreal Ambisonics and then to Resonance

UE - Audio - Submixes - Dec 8, 2022

According to the official docs https://docs.unrealengine.com/4.27/en-US/WorkingWithAudio/Nativesoundfield/ an ambisonic submix can be rendered to Resonance or Oculus; however when doing so, while th ...