Blueprints keep BPTYPE_Const after UCLASS(const) mark up is removed from parent or being reparented

Blueprints based on a const class will continue to be BPTYPE_Const after being reparented to a non const class.

• Create  a native base class (UMyConstClass) and make it Const and Blueprintable
  • UCLASS( Const, Blueprintable )
• Make a blueprint derived from UMyConstClass, open it, compile it, and save it
• Reparent the Blueprint to a non const class
• Note that the event graph isn't available