AStaticMeshActor::CheckForErrors doesn't detect overlapping actors in some circumstances

UE - Simulation - Physics - Mar 14, 2023

Licensee reports that overlapping actors not detected when the static mesh pivot doesn't coincide with actual geometry, e.g. between a character's legs. Maybe should do a bounding box check instead ...

Vehicle clutch not fully simulated in Chaos Vehicle Plugin

UE - Simulation - Physics - Mar 27, 2023

There is no manual clutch control exposed to users. For completeness this should be available via blueprint in the same way that the settering, throttle and brake are user controlled. ...

GeometryCollectionComponent take +1 frame to be marked as dirty

UE - Simulation - Physics - May 25, 2023

Debugging the code I have been able to verify that in GeometryCollectionComponent.cpp line:2318, the if condition happens every two frames. I think DynamicCollection is not setting all the frames a ...

Issue with Niagara MeshRenderer

UE - Rendering Architecture - Aug 8, 2023

Cloth painting - Camera movements are broken once leaving the painting tool.

UE - Simulation - Physics - Character - Aug 29, 2023

Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...

Assert when toggling RHIThread

UE - Rendering Architecture - RHI - Oct 12, 2023

FKismetCompilerUtilities::ValidateProperEndExecutionPath() was unintentionally removed from compile-time graph validation

UE - Gameplay - Blueprint Compiler - Oct 16, 2023

We no longer include a note/warning when an expected execution path will not be taken in a function graph due to the presence of a return node. This was inadvertently removed by the change that intr ...

Landscape renders black when baking with GPU Lightmass

UE - Graphics Features - Nov 7, 2023

A user encountered an issue with Landscapes not rendering once baked with GPU Lightmass. The user was using Ray Tracing. If using normal CPU Lightmass baking, landscape remains the same. ...

Ledge Movement Stuck (CheckLedgeDirection is always returning true)

UE - Gameplay - Nov 20, 2023

The issue appears to that CheckLedgeDirection almost always returns true, which returns the leftward side step. This is correct for the leftward direction, but is not valid for the rightward directi ...