WorldContextObject is null in BP function library

UE - Gameplay - Blueprint Compiler - Aug 15, 2017

Apex Cloth LOD distortion occurs after World Origin Rebase

UE - Simulation - Physics - Character - Sep 13, 2017

There is a distortion that occurs with Apex cloth when changing the World Origin location. This distortion occurs when you approach after the world origin has been changed. This issue is similar to ...

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

Docs - Oct 26, 2017

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]

UE - Simulation - Physics - Character - Nov 2, 2017

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

UE - Platform - Linux - Sep 30, 2016

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

UE - Platform - Linux - Apr 25, 2018

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

UE - Gameplay - Apr 27, 2018

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

Cursors: 'Grab Hand' and 'Grab Hand Closed' appear as 'Hand' in packaged project

UE - Editor - UI Systems - Slate - Jul 13, 2018

GrabHand Cursors appear as Hand (Index finger cursor) in a packaged project 4.20p5 CL# 4173640 4.21 CL# 4179764 ...

HISM: Calling UpdateInstanceTransform with a transform only containing rotation or scale would not update the transform at runtime or cooked

UE - World Creation - Worldbuilding Tools - Foliage - Aug 29, 2018

Calling UpdateInstanceTransform on a HISMC with a transform only containing rotation or scale would not update the transform at runtime or cooked. ...

Sequencer's Spawnable actor rename can not be synchronized between sequencer and outliner

UE - Anim - Sequencer - Jun 11, 2019

This behavior seems to occur only for spawnable. The licensee wants the renaming behavior to be consistent. ...