Can't connect Date Time and Time Spawn pins to math nodes

UE - Gameplay - Blueprint Editor - Feb 2, 2023

we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...

Crash when breaking Level Instance within Data Layer Asset

UE - World Creation - Worldbuilding Tools - World Partition - Feb 2, 2023

A crash occurs when breaking a level instance contained in a data layer.  This does not occur in 5.0.3, however the behaviors of Data Layers are different in 5.1 where the Data Layer asset is added ...

UResavePackagesCommandlet::CheckoutFile() logs warnings for skipped files

UE - Foundation - Cpp Tools - Automation Tool - Feb 1, 2023

User reported. UResavePackagesCommandlet::CheckoutFile(const FString& Filename, bool bAddFile = false, bool bIgnoreAlreadyCheckedOut = false) has a parameter to ignore files that are already ch ...

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. ...