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 ...

Current animation asset is lost in animation preview when a post process anim BP is compiled

UE - Anim - Runtime - Anim Blueprints - Aug 3, 2020

UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...

Crash in MaterialInstance when deleting a layer

UE - Graphics Features - May 4, 2021

Repro from licensee here - [Link Removed] ...

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 ...

Thin Translucent materials opaque with FS lighting mode and Output velocities active

UE - Rendering Architecture - Materials - Nov 15, 2021

Im not 100% sure this is a combination of settings that "should" work anyway, but need someone to have a look.Thin TranslucencyOutput velocities during base passForward Shading lighting modeProject ...

Saving Widget Blueprints directly can put them in a bad state.

UE - Gameplay - Blueprint - May 26, 2022

The fixup code for repairing Widget bindings in UE5 assumes that a compile occurs first. However, saving the asset does not cause a compilation to occur. When we reload the asset and open it in the ...

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. ...

SceneRender Memory leak on MacOS

UE - Platform - Apple - Aug 12, 2022

SceneRender seems to be constantly leaking memory. It only reproduces on MacOS and doesn't seem to happen when I turn off the RHI thread. [Image Removed][Image Removed] ...

Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer

UE - Virtual Production - Rendering - Jun 7, 2023

saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...

[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. ...