Resolution appears incorrect when using Windows Mixed reality Simulator

UE - Platform - XR - Feb 4, 2019

Resolution appears incorrect when using Windows Mixed reality Simulator. It appears to only take up around 1/4 the available screen space. ...

Weird results in lightmaps after update to 4.21.2

UE - Graphics Features - Feb 4, 2019

Reported by our licensee Gungho. Reproduced in 4.21.2, win10 ...

Unused Foliage Type Causing Unbuilt Lighting

UE - World Creation - Worldbuilding Tools - Foliage - Feb 1, 2019

Foliage components will be unbuilt even after deleting all of the placed foliage in a level. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Niagara systems always compile on load.

UE - Niagara - Feb 1, 2019

Navigation Mesh ignores Hierarchical Instanced Static Meshes using "Build Paths" or the "Build" Button

UE - AI - Feb 1, 2019

Hierarchical Instanced Static Meshes are partially ignored after building the navigation mesh. This is causing the navmesh to be generated within all or part the HISM instead of around it.  This ...

Hypotenuse node unexpectedly returns "-nan(ind)" instead of "0.0" if both values passed into the node are "0.0"

UE - Gameplay - Blueprint - Feb 1, 2019

The Hypotenuse Blueprint node currently returns a value of "-nan(ind)" if both values passed into the node are "0.0". This result is correct based on the code that the Hypotenuse node uses, but is n ...

Widget blueprint details panel appears to jitter when dragging widgets in the designer tab

UE - Editor - UI Systems - Feb 1, 2019

When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...

iOS: Local notifications can be overridden if using the same title

UE - Platform - Mobile - Feb 1, 2019

A customer found out that the NotificationNumber static variable is never incremented. This results in a constant NotificationIdentifier string when using the same Title. Seems like it should be ...

Crash entering PIE without Magic Leap SDK referencing delayhlp.cpp:323

UE - Platform - XR - Jan 31, 2019

Editor crash when PIEing without ML SDK installed on machine. This did not occur at the same CL on a P4 build. This did not occur on a machine with the ML SDK installed. Does not occur in //UE4/Re ...