Lightmaps cannot be created correctly when copying Blueprint that has Static Light as Child Actor component on the level

UE - Graphics Features - Lumen - Jul 31, 2020

In this project, BP with Spot Light registered as Child Actor is placed. If we copy and build, the following warning will be displayed. BP_Spotlight_GEN_VARIABLE_BP_Spotlight_C_CAT_330 'BP_Spotlig ...

Live Link Face does NOT launch Take Recorder automatically if press red Record button

UE - Virtual Production - IO - LiveLink - Jul 31, 2020

As you can see below, users expect to launch Take Recorder from the Live Link Face app, but it doesn't actually work.When you're ready to record a performance, tap the red Record button in the Liv ...

Launching a specific UDN Project with Vulkan Support enabled crashes launching on Quest

UE - Platform - XR - Jul 30, 2020

When attempting to run the attached Project submitted from UDN, it will crash on launch. If Vulkan support is disabled, the Project will run as expected on Quest. This issue DOES NOT appear to repro ...

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

UE - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Fbx exporter does not support component overriden material color

UE - Editor - Content Pipeline - Import and Export - Jul 29, 2020

The fbx exporter should query component material override when exporting a level actor. ...

Reverting a BP interface category does not update the context menu

UE - Gameplay - Blueprint Editor - Jul 28, 2020

Black flickering on Mesh particles when the Renderer is set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's WPO

UE - Niagara - Jul 23, 2020

Black flickering on Mesh particles when set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's World Position Offset ...

Fragments of a geometry collection go through complex collision

UE - Simulation - Physics - Destruction - Jul 23, 2020

Fragments of a geometry collection can not hit the mesh which is set "Use complex collision as simple" ...

Random Tri Coord Using Vertex Color Filter doesn't filter correctly

UE - Niagara - Jul 22, 2020

The Random Tri Coord Using Vertex Color Filter module does not filter correctly.  ...

Allow the choice to implement a BP Interface function as an event OR a function

UE - Gameplay - Blueprint Editor - Jul 22, 2020

[Image Removed] This messaging is confusing because it says "Implement Function" when really it creates an event. We need to clear up the messaging here, or provide an option to create it as a fu ...