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. ...

OnRep functions do not fire on the client

UE - Networking - Mar 15, 2015

OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

Frame rate issues using Fixed Frame Rate and Matinee

Tools - Aug 10, 2016

Frame rate issues using Fixed Frame Rate and Matinee. This could be similar to some issues involving "Force Fixed Frame Rate". ...

.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 ...

Cine Camera cannot track actors in sub-levels

UE - Anim - Sequencer - May 5, 2016

Cine Camera cannot track actors in sub-levels Could be the actual repro for [Link Removed] ...