Unreal Engine Issues

Incorrect collision on Instanced Static Mesh components that have been non-uniformly scaled and rotated

Incorrect collision on Instanced Static Mesh components that have been non-uniformly scaled and rotated. User Description: I have been experiencing a very annoying bug and I finally decided to tr ...

BeginOcclusionTests called twice in ProfileGPU report during VRPreview

When running in VRPreview and entering the 'ProfileGPU' command, 'BeginOcclusionTests' is listed twice. As the licensee mentioned, if a project uses heavy occlusion this could quickly become a cost ...

Behavior Tree marked as changed on open when containing Run Behavior node

When a behavior tree contains a Run Behavior node, opening the behavior tree marks the asset as "modified" and users would get asked by the editor if they want to save it even when there has been no ...

Fill tool does not work on BSP

 The fill bucket tool under foliage does not work with BSP surfaces. ...

WorldContextObject is null in BP function library

There is a spelling error in the tutorial for blueprints. The word "contains" is written as "containes."

There is a spelling error in the tutorial for blueprints. The word "contains" is written as "containes." ...

[CrashReport] UE4Editor_MeshPaint!FBaseMeshPaintGeometryAdapter::GetVertexPosition() [basemeshpaintgeometryadapter.cpp:70]

This is a trending crash coming out of 4.18, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 57 const TArray<FVec ...

Linux: SIGTERM handler can deadlock

Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...

Foliage Culling is Broken on Linux

When viewing foliage on Linux it culls in and out as the camera comes closer to it. Also changing the way it is rendered to become grey and transparent (and changing back to normal, perhaps dependin ...

Duplicating Interface functions causes the Input/Output values to duplicate twice

When duplicating an Interface function, the values for Input/Output are doubled or tripled. ...