Document Revision History

This table describes the changes to NSManagedObjectContext Class Reference.

2014-02-11Noted that setter methods on queue-based contexts are thread safe.
2013-08-08Added discussion of nested contexts and concurrency features introduced in OS X v10.8 and iOS 6.
2011-10-12Updated for iOS v5.0.
2011-02-17Updated for OS X v10.7.
2010-12-30Noted error return value for countForFetchRequest:error:.
2010-11-15Augmented discussion of concurrency.
2010-04-21Corrected description of NSManagedObjectContextWillSaveNotification (there is no user info dictionary).
2009-10-06Corrected descriptions of save notifications.
2009-08-12Corrected definition of stalenessInterval.
2009-05-04Enhanced discussion of undo manager.
2009-02-25Updated for iOS 3.0.
2007-07-19Updated for OS X v10.5.
2007-03-06Clarified description of NSManagedObjectContextObjects-
2007-01-08Noted that hasChanges is not KVO-compliant, and enhanced discussion of setPersistentStoreCoordinator:.
2006-11-07Clarified effect of refreshObject:mergeChanges:.
2006-05-23First publication of this content as a separate document.