Crash when spawning actor with no viewport initialized

UE - Editor - Workflow Systems - Nov 22, 2023

If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...

FPropertySoftPath::Resolve doesn't resolve c-array elements properly

UE - Framework - Nov 20, 2023

a fix was proposed in the UDN but it needs to be tested and revised ...

Duplicate child actor created on client in editor

UE - Networking - Nov 17, 2023

This seems to be related to the fix for [Link Removed]. Part of that fix made sure that the child actor component recreates the child actor when GIsReconstructingBlueprintInstances is true, as previ ...

GroupActor has incorrect streaming bounds when created in level instances

UE - World Creation - Worldbuilding Tools - Nov 16, 2023

Screenspace Denoiser creates artifacts for Ray Traced Shadows

UE - Graphics Features - Ray Tracing - Nov 13, 2023

Screen space denoiser creates two types of artifacts: artifacts around boundary for general lighting The artifact is there before 5.2 but since the ray traced shadow denoiser denoises on the sqr() s ...

Mass Agent Component implementation triggers Aggressive Default Reference Replacement ensure

UE - AI - Mass - Nov 13, 2023

Workaround: Construct the DefaultSubobject with ... = CreateDefaultSubobject<UMassAgentComponent>(TEXT("MASS"), true); The issue appears to be that the DefaultSubobject holds a pointer to the CDO ...

K2Node_FunctionEntry: Focusing "Name" property in Details panel changes function name to display format

UE - Framework - Blueprint Editor - Nov 13, 2023

Users can enter blueprint function names without spaces, for example PascalCase (MyFunctionName) or snake_case (my_function_name). The "My Blueprint" tab functionality for naming functions allow all ...

Placed level instance causes "!ActorInstanceGuid.IsValid()" assertion after changing WorldSettingsClass

UE - World Creation - Worldbuilding Tools - Level Instances - Nov 13, 2023

Resaving the level using ResavePackagesCommandlet is a workaround. ...

ContentBundleContainer does not load new bundles in PIE after level transition

UE - World Creation - Worldbuilding Tools - Nov 9, 2023

I believe this issue stems from the ContentBundleContainer not populating the StreamingObjects of the UContentBundleDuplicateForPIEHelper. PIE in the same level as the bundles works as the editor h ...