Instanced properties do not update in actors placed in a level that is not currently open

UE - Framework - Blueprint - May 17, 2023

The user is specifically having a problem with TArray<TObjectPtr<>> however I have also reproduced this error using a single TObjectPtr<>, raw uobject pointers & all three previous methods within a ...

AutoCreateRefTerm UFUNCTION meta specified can interfere with function default arguments

UE - Framework - Blueprint Editor - May 25, 2023

Example function provided by the user:.h UFUNCTION(BlueprintCallable, meta = (AutoCreateRefTerm = "TestInt,TestName")) static void TestAutoRefs(const int32& TestInt = 2, const FName& TestName = ...

Attached Gameplay Cues with decals that override SetFadeOut will destroy their target actor on fade out

UE - Gameplay - Gameplay Ability System - Jun 27, 2023

Burst GCs will destroy the target actor if you attach them to the target (FGameplayCueNotify_PlacementInfo::AttachPolicy) and override the decal fade out (FGameplayCueNotify_DecalInfo::bOverrideFade ...

VectorParameter UI display in the Layer Parameters Panel of MIC editor issue

UE - Rendering - Architecture - Materials - Aug 22, 2023

UObject Macro Libraries cannot use functions that require a WorldContext

UE - Gameplay - Blueprint Editor - Jan 11, 2024

If you make a Blueprint Macro Library that derives from UObject you are then unable to use any functions that require a WorldContext, like Delay. This is because the WorldContext cannot be assumed l ...

The UI layer system in Lyra leaks widgets when changing level

UE - AI Workflows - UI Systems - UMG - Jan 12, 2024

UDN - Crash reverting SkeletalMesh unsaved changes

UE - Editor - Content Pipeline - Asset Build - Feb 19, 2024