Document Revision History

This table describes the changes to Key-Value Observing Programming Guide.

DateNotes
2012-07-17

Updated to use new Objective-C features.

 

ARCification

2011-03-08

Clarified terminology in "Registering Dependent Keys."

2009-08-14

Added links to some key Cocoa definitions.

2009-05-09

Corrected minor typo.

2009-05-06

Clarified Core Data requirement in Registering Dependent Keys.

2009-03-04

Updated Registering Dependent Keys chapter.

2006-06-28

Updated code examples.

2005-07-07

Clarified that you should not release objects before calling willChangeValueForKey: methods. Noted that Java is not supported.

2004-08-31

Corrected minor typos.

 

Clarified the need to nest manual key-value change notifications.

2004-03-20

Modified source example in Registering Dependent Keys.

2004-02-22

Corrected source example in Registering for Key-Value Observing. Added article Key-Value Observing Implementation Details .

2003-10-15

Initial publication of Key-Value Observing.