Using the Class Extension for the Snippets in This Chapter
The changes that were made to iCloud at WWDC 2013 are significant enough that it’s very important to check the dates on any materials that provide Core Data information. Information dated after June 2013 that incorporates the WWDC 2013 revisions is what you should be looking for. (That’s the information that’s provided in this book.)
Documentation on developer.apple.com is provided when you search on Core Data or coredata; in addition, videos from WWDC 2012 and WWDC 2013 are available to registered developers. Each year, the conference had several Core Data sessions. The overview in WWDC 2013 is Session 207, which is worth watching if you want further information on the topics covered ...
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