This chapter delves into architecting components to instantly update throughout an app with database changes, promoting easier updates and reducing the need for extensive notifications. It highlights SwiftUI's benefits, particularly the controller layer's ability to streamline processes, simplify data updates, and enhance the user experience with combined and async-await technologies. The discussion also covers handling data, shifting perspectives on SQLite optimization, addressing programming challenges, restructuring code for manageability, and the transformative effects of updating outdated code bases in app development.