Subscriber-Only: Today's episode is available only to subscribers. If you are a Point-Free subscriber you can access your private podcast feed by visiting https://www.pointfree.co/account.---It's time to build modern tools for UIKit from scratch, heavily inspired by SwiftUI and usingthe Observation framework. Surprisingly, Swift 5.9's observation tools _can_ be used in UIKit,and in fact they work _great_, despite being specifically tuned for SwiftUI.