Adding a function to a BP Component causes compile errors in BPs that use that component

UE - Gameplay - Components - Aug 28, 2015

Adding a function to a Blueprint component causes other Blueprint that use that component to have Errors and must be re-compiled. ...

Vertex Painting on Blueprint Static Mesh components lost on copy

UE - Gameplay - Components - Sep 1, 2015

After vertex painting on a Static Mesh component of a Blueprint, the Vertex paint data is lost when the Blueprint is copied. Oddly, pasting into a text editor shows VertexColorData, but it seems to ...

Unable to create blueprint class from the 'All Classes' tab with only keyboard input

Tools - May 7, 2015

If you go to create a new blueprint class and go to the all classes dropdown menu, search for a class name and then attempt to select it by pressing the down arrow to the selection and hitting enter ...

Lighting build isn't saved when using -run=resavepackages and -buildlighting

UE - Foundation - Core - Jul 29, 2016

Lighting build isn't saved when using -run=resavepackages and -buildlighting ...

Dynamic Directional Shadows do not work with Planar Reflections

UE - Graphics Features - Aug 9, 2016

Movable/Stationary dynamic shadow distance in the Directional light is not captured in the Planar Reflection. Note that Point and Spot Lights box cast shadows that can be rendered in the reflection ...

Overlap events fire multiple times on clients when Using PIE

UE - Gameplay - Blueprint - May 16, 2016

The overlap events fire multiple times with only one trigger of the opposite call. (example: Begin over lap will fire multiple times when the end overlap was only called once) ...

Animation Preview not playing under certain conditions

OLD - Anim - Aug 13, 2015

Pausing the animation preview while in the Graph Tab of an Animation Blueprint will result in all animation previews being paused when you navigate to the Animation Tab. ...

r.PostProcessAAQuality does not work in mobile preview on source builds

UE - Platform - Mobile - Sep 26, 2016

r.PostProcessAAQuality is not working properly in mobile preview on source versions of the engine. ...

Wireframe on Top Keyboard Shortcut for Landscapes not working

Tools - Jul 26, 2016

Unable to use a Keyboard Shortcut for the Wireframe on Top visualizer for Landscapes. The tool works when using the dropdown menu within the viewport, but it does not seem to toggle when mapped to a ...

Attached Project Crashes When Setting RVO Avoidance

UE - Gameplay - Blueprint - May 6, 2016

The attached project will crash when attempted to toggle the Use RVO Avoidance option of the Character Movement component. This only occurs after toggling the same option in two other blueprints pri ...