Crash after removing decal (using set fade out node) during design time and then hitting play

UE - Gameplay - Blueprint - Feb 5, 2019

When calling set fade out on a decal during design time via a custom event that is setup to be called in editor a crash will occur when clicking PIE ...

Right click mirror option for scale is applied to all axes even when uniform scale is unlocked

Tools - Feb 4, 2019

When using the mirror (axis) option in the details panel, the mirroring behaves unexpectedly when the uniform scale is unlocked. ...

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. ...

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 ...

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 ...

Audio tracks in sequencer are not silent when extended past their playback end

UE - Anim - Sequencer - Jan 31, 2019

Audio tracks can still make noise if their tracks are extended past the end of their playback. ...

Attachment of Instanced component does not work

UE - Gameplay - Jan 31, 2019

Component hierarchy information is lost when modifying an Instance of a Blueprint that Inherits from a C++ Pawn. Specifically, when this instance's hierarchy is modified via the World Outliner Edit ...