EditorOnly Actor-subclass blueprints cause SavePackage warning "A dependency '%s' of '%s' was filtered, but is mandatory"

UE - Gameplay - Blueprint - Apr 20, 2020

https://udn.unrealengine.com/questions/570767/filtering-bug-with-iseditoronlyactor.html On a a blueprint that inherits from an actor class such as FunctionalActor, the user can mark Actor::bIsEdito ...

GC stalls when loading a level with an Oculus HMD connected to the PC

UE - Platform - XR - Mar 26, 2020

Check the log. The GC is stalled on IsReadyForFinishDestroy for about 30 seconds. This is mixed with ovrp_WaitToBeginFrame. ...

Some bones are not removed even when registered in "Bones to Remove"

UE - Anim - Runtime - Mar 22, 2020

 The difference between "testbone" and "testbone2" is only whether there is "joint7" Skinning itself has been properly ruled out. However, it can be confirmed by attaching a socket etc., but the bo ...

Property Redirectors do not update the DisplayName of delegate nodes

UE - Gameplay - Blueprint - Mar 19, 2020

This is happening because the property  FText DelegatePropertyDisplayName; on UK2Node_ComponentBoundEvent is serialized, so it does not get properly updated.  ...

The Radial Blur Shader Doesn't Look Correct With Raytracing Translucency Enabled

UE - Rendering - Lumen - Jan 21, 2020

The Radial Blur shader doesn't look correct with ray tracing translucency enabled. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11050671 ...

"Scene Capture Component 2D" Causes Big Performance Dip In VR

UE - Platform - XR - Dec 31, 2019

When a "Scene Capture Component 2D" is in a scene it causes a big performance dip in VR. It was ~45 fps from a ~90 fps with the "Scene Capture Component 2D". This doesn't occur if you are running th ...

Alembic Hair Doesn't Render In Both Eyes In VR

UE - Platform - XR - Dec 20, 2019

Alembic hair doesn't render in the right eye in VR. A demonstration project can be found [Link Removed]. NOTE: The hair is rendered as an overlay in other editor previews (skeletal mesh, Physics). ...

VR Preview + Wireframe View Mode = Wireframe only in Left Eye

UE - Platform - XR - Dec 16, 2019

Wireframe View mode only rendering in Left Eye. Was working pre rendering-refactor (4.21) Confirmed in 4.25 MAIN @ CL 10730208 ...

Oculus Quest - Loading splash no longer shown

UE - Platform - XR - Nov 12, 2019

Oculus Splash screen image no longer shows on Quest. Unable to reproduce on PC (If you package a project without 'Start in VR' enabled you will be able to see splash until you enable HMD) Conf ...