Document Revision History
This table describes the changes to iOS Technology Overview.
| Date | Notes |
|---|---|
| 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. |
© 2012 Apple Inc. All Rights Reserved. (Last updated: 2012-09-19)