Document Revision History

This table describes the changes to iOS Technology Overview.

DateNotes
2014-09-17

Updated to include features introduced in iOS 8.

2013-09-18

Added technologies introduced in iOS 7.

2012-09-19

Contains information about new frameworks and technologies introduced in iOS 6.

2011-10-12

Added technologies introduced in iOS 5.

2010-11-15

Updated the document to reflect new features in iOS 4.1 and iOS 4.2.

2010-07-08

Changed the title from "iPhone OS Technology Overview."

2010-06-04

Updated to reflect features available in iOS 4.0.

2009-10-19

Added links to reference documentation in framework appendix.

2009-05-27

Updated for iOS 3.0.

2008-10-15

New document that introduces iOS and its technologies.