Unreal Engine Issues

Level instance edit mode changes actor transforms

Lumen Leaking and Reflection Flickering

FMaterialResource::IsTangentSpaceNormal default value behaves differently whether material uses material attributes

A UDN user has reported that a difference in appearance between two identical materials with the only difference that one uses material attributes. I have boiled down the issue to FMaterialResource ...

Cooked materials and material instances size have doubled when upgrading from 5.1.0 to 5.2.0

UDN: [Link Removed] A UDN customer has observed that their cooked materials have doubled in asset size going from 5.1 to 5.2. We need to investigate this is only a local issue on their side and no ...

Interchange tests framework need to support python pipeline

Post Process Materials After the Upsampler Have Incorrect ViewUniformBuffer Information

A proposed solution to this has been given by the licensee, please see the related UDN. ...

Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters

When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...

When breaking a level instance, foliage instances in the LevelInstance are placed in the wrong location

Following code works as a work around. The code updates placement information of instances. TMap<UFoliageType*, TArray<const FFoliageInstancePlacementInfo*>> AInstancedFoliageActor::GetInstancesF ...

Compatible Skeletons: Support additive animations with different skeleton for additive base

See linked UDN for details: [Link Removed] ...

Component Visualizer EndEditing() never called in Blueprint viewport

User reports difference in ComponentVisualizer behaviour between level viewport and blueprint editor viewport. Details and repro in the referenced UDN ticket. ...