Storyboard uiviewcontroller, 'custom class' not showing in drop down

Question

I have a UIViewController I created in my apps storyboard, as well as a custom UIViewController subclass which I added to the project (and is correctly in the compile phase

Answer 1

For macOS projects, creating a new class generated a class inheriting from NSObject instead on NSViewController.

Change from

import Cocoa

class AppsViewController: NSObject {

}

to

import Cocoa

class AppsViewController: NSViewController {

}