Components copy/pasted from an actor instance's SCS can't be deleted from a Blueprint

UE - Gameplay - Blueprint Editor - Jan 31, 2023

SCS added components pasted from an actor instance in the level editor cannot be deleted from the target Blueprint because the component template has the RF_ArchetypeObject flag. ...

MoviePipeline: Incorrect Caching of Min/Max World Delta Time

UE - Anim - Sequencer - MRQ - Jan 31, 2023

To test this issue: Create a C++ class WolrdTimeDilationDebugActor.h in your Project with the following code:// Copyright Epic Games, Inc. All Rights Reserved. #pragma once #include "CoreMinim ...

Data validation fails after renaming a Blueprint Actor while the Game Features Plugin is enabled

UE - Editor - Jan 31, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Data validation fails after renaming a Blueprint Actor while the Game Features Plugin is enabled. ...

Debugging Motion Matching in 5.1, looping animations don't loop root correctly

UE - Anim - Gameplay - Jan 31, 2023

Just trying a few simple animations in 5.1, I have a few short looping cycle animation that go in different directions. I see very bad results and it looks like it's because of how MM is assuming th ...

World partition mini map fails to build with an Unhandled Exception while using r.Raytracing.Nanite.Mode=1

UE - Graphics Features - Jan 31, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Build mini map fails with an Unhandled Exception while r.Raytracing.Nanite.Mode=1 is enabled in the DefaultEngine.ini. ...

LOD ScreenSize per platform is not reflected in the mobile preview

UE - Platform - Mobile - Jan 31, 2023

in 5.0 or 5.1, MinimumLOD  per platform can be previewed in the mobile ES3.1 preview mode, but It seems that the LOD ScreenSize per platform is not reflected in the mobile preview. ...

MRQ - Groom Issue with Stencil Layers

UE - Anim - Sequencer - MRQ - Jan 31, 2023

There is a problem with rendering Grooms bound and attached to animated skeletal meshes when the mesh belongs to a stencil layer in both the Deferred Renderer or the Path Tracer. The groom does not ...

Fbx Importer: Need to clamp incoming vertex color

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

Interchange: racing condition when InterchangeWorker.exe is not built

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

Animation Layer Interface content filter overrides other content filters

UE - Editor - Workflow Systems - Jan 30, 2023

Animation Layer Interfaces are overriding the filter making it so only that asset type is visible even when paired with other filters.  There is an exception to this with the blueprint interfaces fi ...