Unreal Engine Issues
Unreal Engine Issues
Merging Splines causes Engine to Crash in 5.1
UE - World Creation - Worldbuilding Tools - Merge Actor - Dec 15, 2022Attempting to merge two spline actors causes the Engine to crash. This issue occurs with the Steps to Reproduce regardless if there are more branches added to the tree branch spline/enabled, and reg ...
Artifact occurs in package build when applying Material Layer with WPO to Opaque material
UE - Rendering - Architecture - Materials - Dec 15, 2022An 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 ...
Deleting assets doesn't report referencing actors
UE - World Creation - Worldbuilding Tools - OFPA - Dec 15, 2022Blending does not work when materials using material layers are set to Post Process Volume
UE - Rendering - Architecture - Materials - Dec 14, 2022Blending does not work as intended when Material Layers are used in post process. ...
Widget's shear render transform isn't reversed when using RTL text flow
UE - AI Workflows - UI Systems - UMG - Dec 13, 2022When 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 ...
Using the "Keep World" scale rule can result in incorrect relative location when attaching actors
UE - Framework - Components - Dec 9, 2022This seems to happen due to a precision error when calculating the relative transform between the socket and the component being attached. Occasionally, one of the transforms will have a scale of (0 ...
STAT_VolumetricLightmapBuildData is not counted correctly
UE - Graphics Features - Dec 9, 2022STAT_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, 2022It 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 ...
Game View renders Lights with Actor Hidden In Game enabled
UE - Graphics Features - Dec 6, 2022This is not a regression. Tested in both 4.27.2 and //UE5/Release-5.0 CL20979098 Game View renders Lights with Actor Hidden In Game enabled. Documentation states: "...the Viewport to display the sc ...