Crash when removing Blueprint function

UE - Gameplay - Blueprint Compiler - Apr 23, 2018

The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...

New Editor window positions are not retained when Windows Scaling is set above 100%

Tools - Apr 20, 2018

When using a windows scaling (such as with 4k monitors) the New editor windows position is not retained between play sessions. The window is always centered. This does not occur if windows scaling i ...

Cannot run any packaged project if "Force all skinned meshes to recompute tangents" has been enabled in an unrelated project

UE - Foundation - Core - Apr 20, 2018

Enabling the "Force all skinned meshes to recompute tangents" sets the value at a Windows user level so that it affects all UE4 projects opened by that user, including unrelated packaged projects. T ...

Editor Crash When DFAO Viewport Has Zero Area

UE - Graphics Features - Apr 19, 2018

I've reproduced this crash in 4.16, 4.17, 4.18, 4.19, and Main. Per licensee: The editor crashes if distance field ambient occlusion is enabled and a viewport is resized to have zero height. Th ...

Cast Hidden Shadow Creates Shadow Artifacts in Splitscreen

UE - Graphics Features - Apr 18, 2018

When using Cast Hidden Shadow in splitscreen, the shadow from your character has severe shadow artifacts. This has been observed in 4.18.3 as well as 4.19.1.  ...

Particles Do Not Obey Lighting Channels

UE - Niagara - Apr 17, 2018

Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...

IsEditorOnly Components hidden from Level Viewport

UE - Gameplay - Apr 13, 2018

Components of Static Actors seem to be hidden in the Editor Details panel whenever IsEditorOnly is selected. ...

Cannot build project for the Development configuration after adding a new UFactory code class

Tools - Apr 13, 2018

Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...

Assets Imported Using "Import Into Level" Scaling Does Not Match the Scale of Assets Imported Through the Content Browser

Tools - Apr 12, 2018

Assets that are imported using File < Import to Level, import at a different scale than when importing through the Content Browser Screenshot attached to show difference in scale Meshes were both ...

The float property FrameCacheLenght in FVisualLoggerBinaryFileDevice is set with a bool value instead of a float value

UE - Gameplay - Apr 10, 2018

In the FVisualLoggerBinaryFileDevice constructor, the FrameCacheLenght property is set using a bool value. Since FrameCacheLenght is a float value, and the value stored in the .ini file is a float v ...