Widget Components Add Thin Black Outlines to Images

UE - Editor - UI Systems - Dec 13, 2019

When a slate element that uses a png with a transparency the edges have a black outline. When the Widget3DPassThrough material is applied to the widget the effect is lessened, but is the outline sti ...

USpringArmComponent::UpdateDesiredArmLocation does not update overlaps

UE - Simulation - Physics - Dec 20, 2019

Objects attached to a spring arm component, moved by changes to the target length/rotation, do not have their overlaps updated. USpringArmComponent::UpdateDesiredArmLocation calls USceneComponent ...

Digital Human Eyes Don't Look Correct With Ray Tracing Translucency Enabled

UE - Graphics Features - Lumen - Jan 27, 2020

The eyes in the Digital Human demo don't look correct with Ray Tracing Translucency enabled in the post process volume. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#111 ...

NavModifierVolume's FailsafeExtent is applied to the wrong area

UE - AI - Apr 16, 2020

The FailsafeArea of NavModifierVolume is generated at a different location from the center of the actor when it rotated. This means that the effect of rotation is incorrect. (see attached file) W ...

If Material is not overridden, Material will not be exported correctly.

UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 4, 2021

This is because FFbxExporter::ExportStaticMeshToFbx() does not correctly determine the OverrideMaterials.  Therefore, the following code will not pass.else { Material = StaticMesh->GetMaterial(P ...

Adding a key to an Absolute transform section will accumulate an extra transform offset when a transform override is set on a sequence.

UE - Anim - Sequencer - Jan 13, 2022

The keyed transform value will have the origin offset applied to it when it should not be.  ...

When StaticMeshComponent is added to an empty Actor, no HLOD is generated.

UE - World Creation - Worldbuilding Tools - HLOD - Jul 1, 2022

When a Cube of StaticMeshActor is placed, it is generated without any problem. ...

Ensure occurs when RBAN simulated rigid body approaches UseComplexAsSimple mesh

UE - Simulation - Physics - Character - Jun 30, 2022

When a collision enabled RBAN node attempts to collect surrounding meshes, if there is a mesh with UseComplexAsSimple, it will hit the Ensure when cloning a mesh on the task graph thread. Disabling ...

ISM Component in an instanced BP does not take into account changes to NumCustomDataFloats from the BP class

UE - Graphics Features - Sep 16, 2022

PerInstanceSMCustomData is bulk serialized and doesn't get changed on the BP instance when changing NumCustomDataFloats, possibly causing out of bounds array access leading to a crash. Possible sol ...

[Quartz] - Playing a Force Inline SoundWave asset with PlayQuantized crashes editor

UE - Audio - Quartz - Aug 17, 2023

Calling PlayQuantized on an asset set to Force Inline crashes editor:Assertion failed: SoundWaveDataPtr->GetLoadingBehavior() != ESoundWaveLoadingBehavior::ForceInline [File:D:\SMoyls_UE5_Release-5. ...