Unable to bind events to OnPerceptionUpdated in Blueprints

Gameplay - Blueprint - Dec 18, 2017

Attempting to bind an event to OnPerceptionUpdated results in an error in Blueprints. It seems that this is caused by the TArray in the function signature not being a constant reference. Current co ...

Skeletal mesh vertex colors swizzled on Mali devices

Platform - Mobile - Dec 17, 2017

We are currently experiencing an issue where skeletal mesh vertex colors are different on certain mobile devices. What we see is the following:Red and Blue channels are swapped.It occurs consistent ...

Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to not be initialized

Gameplay - Dec 15, 2017

Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to be ignored because the Actor is still being initialized. My understanding is tha ...

Using the Set Position in Viewport changes anchor values to 0

Tools - UMG - Dec 15, 2017

When Using the "Set Position in Viewport" it changes anchor values of a widget to 0. This node seems like this should not be changing the anchor values, but it is unsure if this is intended behavior ...

[CrashReport] UE4Editor_SlateCore!SWidget::ExecuteActiveTimers() [swidget.cpp:986]

Tools - Material Editor - Dec 15, 2017

User comments:right mouse button in material editor made engine crash....becomes slow and crash....64gb ram, 2 xeon and gtx690....need to restart computer to everything works fine. need a solution t ...

[CrashReport] UE4Editor_ShaderCore!BuildShaderFileToUniformBufferMap() [shadercore.cpp:750]

Rendering - Dec 15, 2017

User comment:enabled composure and i get a hard-crash now Not seeing any vanilla builds in crash report, looks like source builds. ...

AIPerception components inherited from a native parent class do not expose the DetectionByAffiliation field on senses for editing in the Blueprint editor's Details view.

Gameplay - Blueprint - Dec 15, 2017

The "Detection by Affiliation" field cannot be edited in the Blueprint editor's Details view for an inherited AIPerception component in the "Senses Config" array if the AIPerception component is inh ...