Multiple Steam NetConnections to a single session are recorded incorrectly during cleanup

UE - Online - Nov 6, 2018

When introduced with two Steam NetDrivers/NetConnections to the same user, instead of closing out the communications on a per channel basis, the entire session is removed from the connection list. T ...

Walkable Slope Override not observed by ISMCs

UE - Gameplay - Player Movement - Nov 6, 2018

A static mesh assets's Walkable Slope Override is observed by placed static meshes, but not by ISMC instances. ...

AIController can't properly unpossess character

UE - AI - Nov 5, 2018

There seems to be a bug with the Possess\Unpossess events. Because if you change the last node in "PossessCharacter", which is created in PlayerController(called "PC"), to Unpossess the AI still con ...

[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::DrawStaticElements() [landscaperender.cpp:1631]

UE - LD & Modeling - Terrain - Landscape - Nov 5, 2018

User comments in crash group:Enabled Flat Tesselation on a Terrain Material.I saved the material. 1628 if (HasTessellationEnabled) 1629 { 1630 ***** UMaterialInstance* NonTess ...

Duplicating a SetMaterialAttributes Node Causes Missing Attributes

UE - Rendering Architecture - Materials - Nov 5, 2018

Duplicate SetMaterialAttributes nodes will be missing attribute connections on the node itself, but in the properties tab they will show up. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Previe ...

Skeletal Mesh rigid body simulation is not being updated with correct bones locations right after Skeletal Mesh is spawned

UE - Simulation - Physics - Nov 5, 2018

When simulating in Editor, the Skeletal Mesh bone locations are not being passed into simulate if the simulation is being toggled the same frame when the Mesh is being set on a Skeletal Mesh compone ...

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh

UE - Graphics Features - Nov 5, 2018

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh. It is displayed by editing the Transform of Instances. This problem does not occur in 4.19. It seems to happen in 4.20 and ...

PressMethod is not called in UButton::RebuildWidget()

UE - Editor - UI Systems - Slate - Nov 5, 2018

The void function UButton::RebuildWidget() does not call PressMethod when rebuilding the widget. Tested  4.19.2 (CL- 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4537669), 4.22 (CL - 4531805) ...

Vehicle Game - Input Interference when Controller Plugged in

UE - Gameplay - Input - Nov 2, 2018

GenericUSBController Axis values interfering with input when Xbox Controller is active. (Generic Inputs were added for Switch Support) ...

Digital Human Missing PhotorealEyeGeo StaticMesh

Docs - Samples - Nov 2, 2018

The static mesh "PhotorealEyeGeo" does not show up in the 4.20 version of this sample project. Found in CL# 4369336 and 4.21 CL#4534309 in the game-dev launcher This is a regression. ...