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

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

Tools - UMG - 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

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

Virtual Reality - 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 ...

Delete Assets dialog returns non-valid assets for the list of assets that can replace the references

Tools - Jan 31, 2019

The Delete Assets window's list of assets that are available to replace the references to an asset that is being deleted returns additional assets that are not valid replacements. The provided pro ...

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

Sequencer - Jan 31, 2019

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

Foliage LOD's Screen Size Can't be Set Higher Than 1.5

Tools - Foliage - Jan 31, 2019

Foliage LOD's Screen Size Can't be Set Higher Than 1.5 Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Meshes With Multiple Morphs / Blendshapes Import Incorrectly

Anim - Jan 31, 2019

MorphTargets/BlendShapes are read from the scene, not the morpher modifier. This also results in blendshapes names being equal to morph target object name (objects), rather then names from morpher m ...

Crash occurs in PIE when an Actor calls a method in a UObject that attempts to modify an FString member of the UObject

Core - Jan 31, 2019

The Editor will crash in PIE when an Actor calls a method in a UObject that modifies some FString members in the UObject. In the Attached project, the UObject class contains two FString members and ...

Packaged game crashes when enabling Pre-load Screen Movie Player

Automation - Jan 31, 2019

Packaged game crashes when enabling Pre-load Screen Movie Player ...