>I doubt AppKit, UIKit or any of the predecessors were in a bad state for three whole years after their launch I was there for Cocoa development in Mac OS X 10

>I doubt AppKit, UIKit or any of the predecessors were in a bad state for three whole years after their launch I was there for Cocoa development in Mac OS X 10.3. AppKit was not mature. I wasn't there but have heard it was less mature in '91 3 years into NextSTEP.