Changing default click trace channel in player controller causes widget to not register the mouse

UE - Editor - UI Systems - May 26, 2016

When the default click trace channel is set to something other than ECC_Visibilty, the editor does not take the change into account when determining which channel is being blocked. Download link fo ...

Cannot disable the NavLinkProxy through the Smart Link option

UE - AI - May 6, 2015

Cannot disable the NavLinkProxy through the Smart Link option. If this is not the proper way to disable the NavLink, users are confused by the naming of 'Link Enabled'. ...

Setting Simulate Physics breaks "Get Closest Point on Collision" node

UE - Simulation - Physics - Dec 5, 2016

'Get Closest Point on Collision" node is used to determine the distance between a primitive component (target) and another specified location (Point) as well as provide the point on the target. Thi ...

The IsOverInteractableWidget() function in UWidgetInteractionComponent does not correctly indicate when it is over an interactable scrollbar

UE - Editor - UI Systems - Dec 15, 2016

The scroll bar in a scroll box does not currently indicate that it is interactable. The UWidgetInteractionComponent::IsOverInteractableWidget() function returns true if it is over a button, but retu ...

Multiple overlapping reflection captures cause graphical artifact on Mac

UE - Graphics Features - Dec 16, 2016

There are tiled artifacts that appear on Mac Sierra when reflection captures overlap. Tested with Asset #3595 MacOS Sierra Version: 10.12.1 NVIDIA GeForce GT 750M Driver: 367.15.10.05f01 ...

Typo Regarding Comments For LODColoration In BaseEngine.ini

UE - Foundation - Core - Jan 4, 2017

The comments describing the colors for LODColorationColors in the BaseEngine.ini file are incorrect. These comments seem to have been added in 4.13. ...

Crash when Taking Screenshots with Ansel Plugin using Certain Capture Types

UE - Graphics Features - Jan 5, 2017

A crash occurs when using the Ansel screen capture plugin. Some of the crashes are actually silent crashes and the editor becomes unresponsive, but does not produce a Crash Report Dialog window. Ot ...

A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.

UE - Foundation - Core - Jan 6, 2017

A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...

Static variable declaration causes unresolved external errors when calling FRootMotionMovementParams functions

OLD - Anim - Jan 11, 2017

Attempting to call a FRootMotionMovementParams function results in an unresolved externals error on compile because of the static FVector RootMotionScale variable. Workaround: In source, removing s ...

Editor crashes when BP spline component is selected

Tools - Jan 12, 2017

When a spline component point is selected, attempting to select another spline component will cause the editor to crash. Crash also occurs if the same component is selected. Workaround: If the emp ...