Subsurface materials display dark lines in the middle of the viewport

UE - Graphics Features - Dec 8, 2017

AMD gpus are displaying an issue with subsurface materials. Dark lines appear on the material that run through the middle of the viewport, (See screenshot attached). This was seen on AMD drivers 17. ...

Exported Particle Emitter Tries to Reference Graphs of Original System

UE - Niagara - Dec 7, 2017

User reports that the bug was initially discovered in 4.18 and then reproduced in 4.16 project (attached). Per User: For some reason when exporting this emitter to any other system bugs out. When ...

Reflections Rendering Incorrectly in SM4

UE - Graphics Features - Dec 7, 2017

Reflections are rendering incorrectly in Rendering Preview Level SM4 in 4.18, but were working as expected in 4.17. This is a regression. When I reproduce the issue, I get results similar to issue ...

Maps of Wildcard type do not propagate values correctly when inside of macro

UE - Gameplay - Blueprint - Dec 7, 2017

There is an issue with Maps of Wildcard type that do not propagate values correctly when inside of macro. When using these in a blueprint there are errors and the blueprint cannot compile. This issu ...

Web browser does not receive keyboard focus without needing to click

UE - Editor - UI Systems - Dec 7, 2017

The Web browser widget does not appear to accept keyboard input until clicked. Even when opening a web page that has a text box that is selected by default (such as in the test project provided) and ...

[Feature Request] Can not convert directly from GameplayTagNetIndex to GameplayTag

UE - Gameplay - Dec 7, 2017

We currently can not convert directly from GameplayTagNetIndex into GameplayTag. User is requesting the addition of the following code. FGameplayTag UGameplayTagsManager::GetTagFromNetIndex(FGamepl ...

Static mesh's material slot's cast shadow does not require a build of StaticLight

UE - Graphics Features - Dec 7, 2017

If static mesh's material slot's cast shadow is changed, UE4 does not show "LIGHTING NEEDS TO BE REBUILT". I solved it with the following fixes. StaticMeshEditorTools.cpp void FMeshSectionSettin ...

Launching a game with specified Window Position always snaps to Center of display

Tools - Dec 7, 2017

Originally reproduced this utilizing Play in Standalone and adjusting the Editor Preferences for Standalone Window Position. ...

Linux Multi-Monitor Support Issues on GNOME Shell

UE - Platform - Linux - Dec 6, 2017

Users with GNOME Shell installed have reported having issues with multi-monitor support when the monitors are not equally sized or the same aspect ratio. If the application is moved from a smaller ...

Cpp files of new classes are not automatically added to Perforce or the Project's Solution via P4VS

Tools - Dec 6, 2017

A licensee has reported a problem where FVisualStudioSourceCodeAccessor.AddSourceFiles is unable to handle two files being added at the same time. In this case, a .cpp and .h are added at the same t ...