Impossible to reparent blueprint class that has a broken parent class when using compilation manager

UE - Gameplay - Blueprint Compiler - Dec 8, 2017

Alternatively use BP_ParentClassIsMissingType in QAGame ...

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 ...

Unable to abort Does Path Exist in Behavior Tree

UE - AI - Dec 7, 2017

On the decorator node 'Does path exist" the only option for Observer aborts is None. Based on our documentation for the node it is supposed to also have Self, Lower Priority, and Both as options for ...

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 ...

CoreRedirects cannot be properly used to rename a BlueprintImplementableEvent that has a return value

UE - Gameplay - Blueprint - Dec 7, 2017

Attempting to use CoreRedirects to rename a BlueprintImplementableEvent that has a return value results in the function not being renamed in the Blueprint subclasses and its Return Value nodes causi ...

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 ...

Blueprint Function Reorder displays error tooltip when trying to reorder functions

UE - Gameplay - Blueprint Editor - Dec 7, 2017

There is an issue when attempting to reorder blueprints where Blueprint Function Reorder displays error tooltip when trying to reorder functions. In previous engine versions, functions could not be ...

[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 ...