When Apple announced their own Functional Reactive Programming framework at WWDC 2019 I was super excited. Finally, a simplified, easy to use framework that we could use to dip our toes in FRP. What made it even better is that SwiftUI makes heavy use of Combine, which means that Apple had to buy in to the technology themselves. This made it seem unlikely that Apple would abandon the technology any time soon. Then WWDC 2020 came around and there weren’t any meaningful changes to Combine. It was hardly even mentioned in the sessions. To me, this was a signal that...