Q:

iOS API Reference History

Is there a way to find documentation for deprecated/Changed classes in the API Reference documentation?
For instance the NSUserDefaults class changed to UserDefaults and with that all of its methods.
Example:
Old Way...
let defaults = NSUserDefaults.standardUserDefaults()
defaults.setObject(someObject, forKey: "someKey")

New Way...
let defaults = UserDefaults.standard()
defaults.set(someObject, forKey: "someKey")

Again how can I reference previous documentation for classes that have changed?
BTW - The documentation for the new UserDefaults class still refers to it as the NSUserDefaultsclass.
From the documentation

Class
UserDefaults
The NSUserDefaults class provides a programmatic
interface for interacting with the defaults system.

A:

You can find it on Git.
Drop NS Prefix in Swift Foundation
iOS 9.3 to iOS 10.0 API Differences
Older versions of iOS

