Document Revision History

This table describes the changes to UIAccessibility Protocol Reference.

Date	Notes
2012-09-19	Updated for iOS 6 with new properties, notifications, and traits.
2011-10-12	Described new properties that indicate if an element is hidden or modal, and new notifications for changes in system accessibility features.
2010-10-20	Described the notification to post after a scrolling action has completed.
2010-05-18	Updated setter and getter methods to properties, and added descriptions of a property, a notification, and two traits introduced in iOS 4.0.
2009-07-14	Made minor corrections and reformatted to conform to the informal protocol appearance.
2009-05-26	New document that describes the interface for providing accessibility information about accessible user interface elements in an iPhone application.

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