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Document Revision History

This table describes the changes to Core Data Programming Guide.

Date	Notes
2009-03-04	Minor revision to accommodate new Getting Started document.
2008-11-19	Enhanced discussion of managing undo operations.
2008-02-08	Enhanced the discussions of legacy data importing and memory management.
	Added a discussion of many-to-many relationships in “Relationships and Fetched Properties.”
2007-12-11	Corrected typographical errors.
2007-10-31	Updated for Mac OS X v10.5. Made several minor enhancements.
2007-08-30	Made major changes to content and added information on persistent store features.
2007-08-23	Enhanced memory management article; noted that NSManagedObject subclasses do not use all accessor methods with mutableSetValueForKey:.
2007-07-16	Enhanced discussion of threading options; added note about constraints of use of relationship accessor methods.
2007-03-15	Noted the file systems supported by the SQLite store.
2007-02-08	Clarified the behavior of entity inheritance in fetching; split "Managed Object Models" into two articles.
2007-01-08	Updated FAQ, "Memory Management Using Core Data", and "Core Data and Cocoa Bindings".
2006-12-05	Added a discussion of faulting and KVO notifications to "Faulting and Uniquing."
2006-11-09	Enhanced discussion of accessing and modifying properties and of creating and initializing managed objects.
2006-10-03	Enhanced the discussion of copying managed objects.
2006-09-05	Enhanced troubleshooting and multi-threading articles; incorporated validation article.
2006-07-24	Made minor revisions to "Persistent Stores."
2006-06-28	Corrected minor typographical errors.
2006-05-23	Added links to sample code and detail to the section on copy and paste.
	Added "Before You Start" article.
2006-04-04	Added section on fetch request templates to Managed Object Models. Enhanced description of managed object lifecycle.
2006-03-08	Enhanced "Change Management" and "Faulting and Uniquing" articles; clarified meaning of SQLite debugging flag.
2006-02-07	Added notes about SQL logging to "Fetching Managed Objects" and about test-driven development to "Versioning."
2006-01-10	Added a new, preliminary article on threading. Added a new article, "Managed Objects," taken mainly from the NSManagedObject API reference.
2005-12-06	Augmented the articles "Faulting and Uniquing" and "Persistent Stores."
2005-11-09	Added article on importing legacy files.
2005-10-04	Corrected various minor typographical errors.
2005-09-08	Added new articles to describe managed object models and versioning.
2005-08-11	Added articles on memory management and fetching managed objects. Streamlined the introduction to "Managed Object Accessor Methods."
2005-07-07	Corrected various minor typographic errors, made several clarifications. Added article on Troubleshooting.
2005-06-04	Added article on managed object accessor methods. Corrected method listings in "Non-Standard Attributes" article; other minor enhancements.
2005-04-29	Update to include discussion of relationship manipulation, and enhancement to discussion of memory management.
	Updated for public release of Mac OS X v10.4. Changed title from "Core Data." First public version.

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