Cannot Compile GitHub Source Code for UE4 Game on Mac

UE - Platform - Apple - Apr 16, 2015

Dowloaded 4.7.5 release from GitHub and was able to compile the UE4 Editor source code successfully. Then attempted to compile using the "UE4 - Game -Mac" filepath, but received message saying could ...

Initial Color Vector Parameter cannot be set for GPU Particles

UE - Graphics Features - Nov 7, 2014

GPU particles will not take a changing input from Initial Color when using a Vector Parameter to control through a blueprint. ...

Make Custom Event names start with "Event"/Fix "Event Event" issue with overridden Events

UE - Gameplay - Blueprint - Dec 17, 2015

If you name an Event something like "Event Foo", overriding the event in a ChildBP gives you "Event Event Foo" To avoid this, please make Custom Event names Start with "Event" ...

Skybox returns Overlapping UV error after building lighting

UE - Graphics Features - Dec 1, 2015

After bringing the BP_LightStudio into a level and building light an error message is given. The error message says that the Skybox's UV's are overlapping. ...

The link to download Visual Studio 2013 in the Project Browser is invalid

Tools - Jan 5, 2015

When creating a C++ project in the Unreal Project Browser without a compiler installed, the following message appears with an invalid link: "No compiler was found. In order to use a C++ template, y ...

Reflection across multiple viewports are different than original viewport.

UE - Graphics Features - Jan 21, 2016

When viewing reflections in multiple viewports the reflections will differ from the original viewport. ...

UMG Widget color and Text color has different output at UE4 editor to Mobile preview and Mobile device.

UE - Editor - UI Systems - Jul 3, 2015

UMG Widget color and Text color has different color output at UE4 editor to Mobile preview and Mobile device. https://udn.unrealengine.com/questions/251945/umg-viewport-device%E1%84%8B%E1%85%A6%E1% ...

NavMesh "Enable Drawing" option is not saved

UE - AI - Mar 7, 2015

USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...

ATan is not available in a Math Expression

UE - Gameplay - Blueprint - Mar 10, 2015

Using a Math Expression node, atan will generate an error as an unknown expression. Reproduced in Main Promotable-CL-2471062 [Image Removed] ...

NavMesh generates 90 degrees rotated for custom collisions

UE - AI - Apr 16, 2015

The NavMesh creates breaks at the wrong rotation if the mesh is using collision created from outside of UE4. This is obvious in a lot of the market content with special collision created in maya/3d ...