USD - Groom bound to GeometryCache is unstable

UE - Editor - Content Pipeline - USD - Aug 10, 2021

This issue seems to occur only in 4.27 with DX12. Did not repro in 4.27 with -dx11, nor in UE5 DX11/DX12. ...

Refraction broken when using material function

UE - Graphics Features - Aug 10, 2021

Licensee has provided a BP workaround ...

Crash when adding a streaming level to the world through Python

UE - World Creation - Worldbuilding Tools - World Composition - Aug 3, 2021

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

Using PC_Enum instead of PC_Byte with CreatePin results in incorrect pin

UE - Gameplay - Blueprint Editor - Jul 23, 2021

This is a bug that can make it confusing for users (and internal devs) to make custom nodes related to enums.  This is occuring because the PC_Enum type was added after the original PC_Byte but  ...

Ray tracing in sequencer causing AO ghosting

UE - Graphics Features - Jul 12, 2021

Child blueprint classes do not inherit "ClassGroup" from their native parents

UE - Framework - Blueprint Editor - Jun 7, 2021

When creating a blueprint component based off of a custom native class that utilizes the ClassGroup metadata  ...

bUseAsOccluder not taking effect when prepass is disabled

UE - Rendering - Architecture - May 25, 2021

See the licensee discussion for details discussed with [Link Removed] ...