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. ...

Translucent mesh dissapears when using masked shadows

UE - Graphics Features - Shadows - Jun 7, 2023

This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...

Transient Subclasses of ABrush default to supporting external packaging

UE - World Creation - Worldbuilding Tools - OFPA - Aug 29, 2023

ABrush::SupportsExternalPackaging overrides the base implementation of  AActor::SupportsExternalPackaging which returns false for transient actors, but it doesn't call super. As a result, transient ...

UPlacementSubsystem can return unintended factories from FindAssetFactoryFromAssetData

UE - Editor - Workflow Systems - Oct 13, 2023

Factories registered to the PlacementSubsystem using  UPlacementSubsystem::RegisterAssetFactory will always be added to the end of the AssetFactories array. Which means if there are any existing reg ...

Replace Transform Track setting not used when importing FBX through scripting.

UE - Anim - Sequencer - Feb 16, 2024

Importing the fbx uses the default settings, which aren't accessed through scripting, so they cannot be changed. To circumvent this  MovieSceneToolHelpers::ImportFBXIfReady caches the defaults, and ...

Crash when createing a Landscape and the DisasterRecoveryClient plugin is enabled. In the editor appears as Recovery Hub.

When DistasterRecoveryClient (in editor called RecoveryHub) plugin is added to the project and the user creates a Landscape, a crash occurs. ...

[Interchange] mesh outside LODs hierarchy are added to only lod 0 it should be added to all lods

UE - Editor - Content Pipeline - Import and Export - Oct 9, 2024