Blueprint Actor cannot delete implemented interface when Interface is converted to an Event.

Gameplay - Blueprint - Dec 11, 2019

In Editor, When you remove a return value parameter from a Blueprint Interface function's Output Category. (so there are no return values), it becomes an event. In any Blueprint that implements the ...

Crash on Package When Using Nativizing Animation Blueprint Has AnimGraph Connected with Enum

Gameplay - Blueprint - Dec 3, 2019

If an AnimNode connected with Enum and AnimBP is nativized, the package will occur crash. Following settings is solve this issue. [BlueprintNativizationSettings] +ExcludedBlueprintTypes=/Script/En ...

Internal Compiler Error: Tried to create a property Crash in scope Beta_C, but another object (ObjectProperty /Game/Alpha.Alpha_C:Crash) already exists there.

Gameplay - Blueprint - Oct 31, 2019

After fixing the crash from [Link Removed] when compiling the child blueprint that has claimed the component name the parent was previously using without having compiled the parent, an internal comp ...

Crash when renaming a component to same name as a deleted inherited component.

Gameplay - Blueprint - Oct 24, 2019

Fatal error "UE_LOG(LogObj, Fatal,TEXT("Renaming an object (%s) on top of an existing object (%s) is not allowed"), *GetFullName(), *ExistingObject->GetFullName());" is hit in UObject::Rename.  ...

Blueprint macro in a level blueprint causes memory leak

Gameplay - Blueprint - Oct 15, 2019

The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...

Sorting a Blueprint variable into a subcategory separates variables into separate category structures

Gameplay - Blueprint - Oct 14, 2019

Within the Blueprint Editor, it is possible to create subcategories for variables to be sorted into. Doing so separates variables not nested into subcategories out into standalone, top-level structu ...

Undoing after opening a bluperint will delete nodes in a math expression

Gameplay - Blueprint - Oct 11, 2019

Math expressions fail to compile when performing an Undo after opening a blueprint ICE - wrong output link - ((1 + x) * (sin(myVar))) - (2.400000 / (rand())) ...

GetClassDefaults node retains 'hidden' references to original default.

Gameplay - Blueprint - Oct 9, 2019

Need to add calls to Super::PinConnectionListChanged() and Super::PinDefaultValueChanged() in K2Node_GetClassDefaults.cpp. ...

Converting a big function to a custom event places the nodes in a messy location

Gameplay - Blueprint - Oct 8, 2019

The nodes of a big function are placed over the custom event node and other nodes in the Event Graph when the function is converted to an event. ...

The Bind Event node created from a blueprint dispatcher is different from the one created from the context menu

Gameplay - Blueprint - Sep 10, 2019

Adding a Bind Event node in different ways can create nodes with identical names (Bind Event to <Dispatcher>), but under the hood they are actually different nodes. Easiest evidence is that they ha ...