Just a couple of Combine Publishers to go.

Other Projects/Example To-Do App/SwiftUITodo/SceneDelegate.swift

@@ -20,12 +20,12 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
     // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
 
     // Use a UIHostingController as window root view controller
-    let window = UIWindow(frame: UIScreen.main.bounds)
-    window.rootViewController = UIHostingController(rootView: NavigationView {
-      TaskListView().environmentObject(UserData())
-    })
-    self.window = window
-    window.makeKeyAndVisible()
+    if let windowScene = scene as? UIWindowScene {
+        let window = UIWindow(windowScene: windowScene)
+        window.rootViewController = UIHostingController(rootView: TaskListView().environmentObject(UserData()))
+        self.window = window
+        window.makeKeyAndVisible()
+    }
   }
 
   func sceneDidDisconnect(_ scene: UIScene) {

Other Projects/Example To-Do App/SwiftUITodo/TaskItemView.swift

@@ -22,7 +22,7 @@ struct TaskItemView: View {
           .tapAction(count: 1) {
             self.delete()
           }
-        NavigationButton(destination: TaskEditView(task: task).environmentObject(self.userData)) {
+        NavigationLink(destination: TaskEditView(task: task).environmentObject(self.userData)) {
           Text(task.title)
         }
       } else {

Other Projects/Example To-Do App/SwiftUITodo/TaskListView.swift

@@ -14,13 +14,14 @@ struct TaskListView: View {
   @State var isEditing: Bool = false
 
   var body: some View {
+    NavigationView {
     List {
       TextField($draftTitle, placeholder: Text("Create a New Task..."), onCommit: self.createTask)
       ForEach(self.userData.tasks) { task in
         TaskItemView(task: task, isEditing: self.$isEditing)
       }
     }
-    .navigationBarItem(title: Text("Tasks 👀"))
+    .navigationBarTitle(Text("Tasks 👀"))
     .navigationBarItems(trailing: Button(action: { self.isEditing.toggle() }) {
       if !self.isEditing {
         Text("Edit")
@@ -28,6 +29,7 @@ struct TaskListView: View {
         Text("Done").bold()
       }
     })
+    }
   }
 
   private func createTask() {