Hello I started learning Swift through "Develop in Swift Fundamentals" version for Xcode 12 by Apple Books. Everything more or less went smoothly for first few chapters until I got stuck on Guided Project: Light. It's the part talking about using Refactor > Extract to Method. No matter what I try, Extract to Method is greyed out in the Editor menu, or, if I try with right click on selected code it just making clicking notification sound... If I run app in simulator it works fine, but my understanding is that Refactor is important part of Swift, so I guess it would be nice if it would work. I'm using Xcode 12.5.1 on Big Sur 11.5.1 I also tried uninstall / install Xcode, and even tried with the latest beta and nothing different. Code I have is the following: import UIKit class ViewController: UIViewController { @IBOutlet var lightButton: UIButton! var lightOn = true override func viewDidLoad() { super.viewDidLoad() } @IBAction func buttonPressed(_ sender: Any) { lightOn.toggle() if lightOn { view.backgroundColor = .white } else { view.backgroundColor = .black } } } Instructions are to highlight: lightOn.toggle() if lightOn { view.backgroundColor = .white } else { view.backgroundColor = .black } And use Refactor > Extract to Method from the Editor menu. That is greyed out. I tried to select more code, but same result... Any help would be greatly appreciated.