Unreal Engine Issues

Usd wrapper uses TCHAR_TO_ANSI conversions causing path issues with basic extended ASCII character set

It seems that a simple change from TCHAR_TO_ANSI to TCHAR_TO_UTF8 in UE::FUsdStage OpenStageImpl() fixes the issue. ...

Setting a poseable mesh component as leader component for a skeletal mesh component causes an access violation.

When a skeletal mesh component's leader component is set to a poseable mesh component, the application will run into an access violation when it tries to update animation curves and morph targets. ...

SharedStructMemory's custom deleter doesn't call ~SharedStructMemory and may result in a memory leak

FSharedStructMemory uses a custom deleter that calls FMemory::Free, but it doesn't call the destructor. FSharedStructMemory's destructor is responsible for correctly destructing the internal ScriptS ...

Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo

If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...

Gameplay Tag Query on Actor Component cannot be editted normally on instances

A GameplayTagQuery in an ActorComponent cannot be properly edited on instances of an actor with said component. There is a workaround, but the issue makes editing Tag Queries rather annoying, doubl ...

"Reference space" when exporting LevelSequences with "Override Instance Data"

When exporting a Cinematic Camera as FBX and importing it back, all transforms and Camera view are shifted. This happens when in Level Sequence Actor has the property "Transform Origin Actor" set to ...

RHICoreShader ValidateStaticUniformBuffer expected shader logging is confusing

The log output in ValidateStaticUniformBuffer, lists hashes that do not correspond to the actual shader name which makes it difficult to track down problem shaders. The current log output code is ...

Crash when adding a spawnable volume to a Level Sequence when Draw Brush Polys is enabled in the level editor

GameplayTagQuery in editor can fail to update to new values or reset after being cancelled

When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...

Ray Traced Shadows ignore mesh occlusion on water when enabled

A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...