Unreal Engine Issues
Unreal Engine Issues
Mentioning "_Validate" suffix in code comments to function names causes Compiler error
UE - Foundation - Cpp Tools - UnrealHeaderTool - Dec 13, 2019When mentioning the _Validate Suffix in code comment, Visual Studio compiler throws an error. ...
NavModifierVolume's FailsafeExtent is applied to the wrong area
UE - AI - Apr 16, 2020The 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, 2020UDebugSkelMeshComponent 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, 2021Repro from licensee here - [Link Removed] ...
If Material is not overridden, Material will not be exported correctly.
UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 4, 2021This 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, 2021Im 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, 2022The 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, 2022When a Cube of StaticMeshActor is placed, it is generated without any problem. ...
SceneRender Memory leak on MacOS
UE - Platform - Apple - Aug 12, 2022SceneRender 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
zComponent - Archive - Jun 7, 2023saving 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 ...