Document Revision History

This table describes the changes to NSKeyValueObserving Protocol Reference.

2011-06-06Updated for OS X v10.7. Added new removeObserver:forKeyPath:context: method.
2009-11-13Updated optional status of protocol methods.
2009-06-03Added NSKeyValueChangeNotificationIsPriorKey definition.
2007-10-31Marked setKeys:triggerChangeNotificationsForDependentKey: as deprecated in OS X v10.5 and later.
2007-04-01Updated for OS X v10.5.
2006-05-23First publication of this content as a separate document.