Adding a Named Slot to a UMG Widget is causing the number to increase rapidly.

UE - Editor - UI Systems - Feb 25, 2015

If you create a new Blueprint Widget, place a button into the widget, and click, hold, and drag a Named slot onto the button, the number of the Names Slot will keep increasing as long as the named s ...

Lens Flares Tints appears in the Get Settings node for PostProcessVolume but does not appear in the Set Settings node

UE - Gameplay - Blueprint - Dec 11, 2014

The Lens Flares Tints struct appears in the Get Settings node for a PostProcessVolume but does not appear in the Set Settings node. ...

Very difficult to drag off of nodes on touch screen laptops.

UE - Gameplay - Blueprint - Jan 30, 2015

When using a touch screen laptop, it is very difficult to drag off the exec of nodes. I was able to drag off of a node 2 times after trying around 25 times. I was using a ComPat touch Screen laptop ...

Automation tool failure exit code

UE - Automation Test - Aug 25, 2015

Automation won't return the correct exit code when an issue is caught using the map check error. When running from the RunUAT batch file, it will never finish. ...

Copy and Pasting the Value for a Vector3 Parameter causes Color Picker to Stretch Across screen

UE - Rendering Architecture - Materials - Nov 17, 2016

When copying the 'Value' of a color from the color picker within the material editor, and pasting it into the value field of a new color picker dialog window, it stretches across the screen and caus ...

.mp4 videos are not playing on certain mobile devices

Media Framework - Nov 14, 2016

When launching a project with a video in it on an Android or iOS device, it either will work or it will not work. I believe this is due to the OS version of the device, but it may be related to the ...

Mac OSX Shader compiling crash When Editor Launched from Symlink

UE - Platform - Apple - Nov 10, 2016

When the editor is launched via Symlink on a Mac, the Material Editor will crash when compiling or when building lighting on a level. This does not occur if the editor is launched from an external d ...

Unable to compile Engine for Debug Editor when bDebugBuildsActuallyUseDebugCRT is set to true

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 10, 2016

When building the source for the engine in Visual Studio 2015, if bDebugBuildsActuallyUseDebugCRT is set to true and the build configuration is Debug Editor, the build will fail. Full output log fr ...

Ctrl+z while playing in the blueprint editor will undo history

UE - Gameplay - Blueprint - Jun 9, 2015

When pressing play within the blueprint editor, if you use control & z, it'll revert your changes you've made to the blueprint. Which could cause people to lose their progress in their blueprint tem ...

Difference in Shader Complexity view mode between Static Mesh and Painted Foliage Actors after Enabling 'Dbuffer Decals' in Project Settings

UE - Graphics Features - Oct 19, 2016

The 'Shader Complexity' view mode is rendering differently between regular Static Meshes and Painted Foliage instances after enabling 'DBuffer Decals' The user is reporting that this does not seem ...