Children of blueprints resaved by reference fixups can have invalid asset registry tags

UE - Gameplay - Blueprint - May 18, 2020

If a parent blueprint has data that is used by asset registry tags such as the AssetBundleData, any child blueprints that derive from it will use that in their exported tags. If the parent blueprint ...

Calling Array_Identical in a blueprint results in a compile failure with nativization

UE - Gameplay - Blueprint - May 13, 2020

REGRESSION Does not occur in 4.24 Blueprints that call Array_Identical results in a failure during nativization:F:/Projects/Release/TestNativizeArray/Intermediate/Plugins/NativizedAssets/Windows/Ga ...

Calling a native interface function implemented by a non-nativized Blueprint asset from a nativized Blueprint asset will silently fail at runtime.

UE - Gameplay - Blueprint - Apr 29, 2020

In the sample project we have a Widget Blueprint asset (SomeWidget) that implements a native interface (PrintSomethingInterface.h). However, in the DefaultEditor.ini file, we've also excluded all Wi ...

Returning the base class type by literal value in a base class function will return a different value in a child class when it's nativized.

UE - Gameplay - Blueprint - Apr 27, 2020

If a base class function returns its own class as a literal value, the nativization process will emit the literal term as "GetClass()" rather than as the actual value (e.g. UBPBase::StaticClass()). ...

K2Node_CallParentFunction has incorrect tooltip when duplicating a BP

UE - Gameplay - Blueprint - Apr 23, 2020

The code executes correctly at runtime, but the tooltip is incorrect. There is logic applied in CallFunctionHandler.cpp that handles the runtime execution, but that logic is missing the the tooltip. ...

EditorOnly Actor-subclass blueprints cause SavePackage warning "A dependency '%s' of '%s' was filtered, but is mandatory"

UE - Gameplay - Blueprint - Apr 20, 2020

https://udn.unrealengine.com/questions/570767/filtering-bug-with-iseditoronlyactor.html On a a blueprint that inherits from an actor class such as FunctionalActor, the user can mark Actor::bIsEdito ...

Macro can have Pass-By-Reference type input

UE - Gameplay - Blueprint - Mar 30, 2020

Input arguments of macros are always Pass-by-Reference. So this is just only pin looks matter. Pass-By-Reference modifier on Macro input was removed in 4.24. [Link Removed] ...

Property Redirectors do not update the DisplayName of delegate nodes

UE - Gameplay - Blueprint - Mar 19, 2020

This is happening because the property  FText DelegatePropertyDisplayName; on UK2Node_ComponentBoundEvent is serialized, so it does not get properly updated.  ...

Template Mismatch during attachment ensure on Blueprinted scene components

UE - Gameplay - Blueprint - Mar 6, 2020

Ensure hit when adding a Blueprinted scene component that derives from a native component that has its own subcomponent. This does not occur when adding the native component, only when adding the bl ...

Collision does not work in packaged game regardless of native settings

UE - Gameplay - Blueprint - Mar 3, 2020

Collision stops working for packaged games regardless of the nativize blueprint settings.  Duplicate; refer to [Link Removed] for original issue. Test Project: [Link Removed] ...