This is my final article on ReactiveCocoa 3.0 (RAC3), where I demonstrate some more complex RAC3 usages within the context of an application built using the Model-View-ViewModel (MVVM) pattern. ReactiveCocoa 3.0 is currently in beta, having had four beta releases in the past month. Version 3.0 brings a whole new Swift API alongside an updated Objective-C counterpart. While the core concepts of fun