Unreal Engine Issues
Unreal Engine Issues
Montage sections are not respected when auto blend out is off
UE - Anim - Gameplay - May 15, 2023Sampling UV1 on a Nanite mesh with one UV channel returns a constant value
UE - Rendering Architecture - May 17, 2023This is general for any UV channel past what the static mesh has, rather than specifically for UV channel 1. ...
Actors with Child Actor Components get out of sync when undoing component transform in child Blueprint
UE - Framework - Blueprint Editor - Aug 17, 2023Undoing a child actor's component transform in its Blueprint editor isn't reflected in child actor instances in the level editor. Subsequent transforms are also not propagated after the undo breaks ...
Creating an AnimStreamable asset immediately crashes the editor
UE - Anim - Runtime - Feb 6, 2024When creating an anim streamable we immediately fail a check in the compression code in FCompressibleAnimData::FetchData: checkf(AnimSequence, TEXT("Invalid animation sequence while trying to fetc ...
Usd wrapper uses TCHAR_TO_ANSI conversions causing path issues with basic extended ASCII character set
UE - Editor - Content Pipeline - USD - Jun 12, 2024It seems that a simple change from TCHAR_TO_ANSI to TCHAR_TO_UTF8 in UE::FUsdStage OpenStageImpl() fixes the issue. ...
Non-terminating while loop when creating a new BP Actor and quickly switching between components.
UE - Gameplay - Blueprint Editor - May 14, 2024It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815 to not terminate when ...
BuildEditorAndTools build graph script no longer produces working editor executable
UE - Foundation - Horde - BuildGraph - Dec 19, 2017It looks like the BuildEditorAndTools script is no longer copying the (pre-existing in perforce) files from //UE4/Dev-Core/Engine/Binaries/Win64/ to the output LocalBuilds directory, which means the ...
Crash with package version with SetActorLabel.
UE - Foundation - Core - Cooker - Apr 25, 2018Since SetActorLabel does not correspond to packages, cook wants errors or warnings. ...
Modulated Shadow doesn't work
UE - Platform - Mobile - Aug 7, 20204.22 is working On Mobile sometimes Modulated Shadow is useful for Cast custom color and value Shadows on Unlit objects(custom celshading for example) ...
Very thin meshes cause flickering with emissive materials.
UE - Graphics Features - May 13, 2021The licensee has reported that when you make a mesh extremely thin (e.g. z = 0.0001), it can cause emissive materials applied to the mesh to flicker. ...