Document Revision History

This table describes the changes to Cocoa Fundamentals Guide.

Date	Notes
2009-10-19	Fixed some issues with the discussion of singleton implementation.
2009-08-20	Modified the illustration showing iPhone OS architecture.
2009-07-14	Updated to describe Core Data as a technology supported by both Mac OS X and iPhone OS (as of iPhone OS 3.0). Added description of value objects. Updated class-hierarchy diagrams for iPhone OS 3.0 and Mac OS X v10.6.
2009-05-28	Added link to iPhone tutorial in the See Also section of the introduction and made minor corrections.
2008-11-19	Made various small corrections.
2008-10-15	Updated obsolete references to the iPhone OS Programming Guide.
2008-07-08	Updated for iPhone OS.
2007-10-31	Updated to describe new and enhanced features, including garbage collection, properties, fast enumeration, and development tools. Also added section on multithreading.
2006-12-20	Added a "Cocoa API Conventions" section to "Adding Behavior to Your Cocoa Program."
2006-10-03	Clarified the statement about reinitialization of objects and made minor corrections.
2006-08-07	Corrected several minor errors.
2006-05-23	Added description of represented objects and updated examples and descriptions of singleton objects and object copying.
2006-03-08	A new document that gives developers an orientation to the basic concepts, terminology, architectures, and design patterns of Cocoa.
	The now-retired documents consolidated as chapters in this document are "What Is Cocoa?," "Cocoa Objects," "Adding Behavior to a Cocoa Program," "Cocoa Design Patterns," and "Communicating With Objects." Two new chapters have been added: “The Core Application Architecture on Mac OS X” and “Other Cocoa Architectures on Mac OS X.” In addition, the discussion of the Model-View-Controller design pattern in “Cocoa Design Patterns” has been greatly expanded.