2015-04-08

Removed references to deprecated API. Changed the name from Accessibility Overview for OS X to Accessibility Programming Guide for OS X.

2015-01-12

Minor edits for clarity.

2014-10-16

Updated with information about the new accessibility API.

2013-10-22

Described the difference between the position value an accessibility object reports and the value an assistive app receives.

2012-07-23

Updated the Testing for Accessibility chapter to comply with OS X Mountain Lion.

2011-10-26

Added information about App Sandbox.

2011-06-30

Migrated relationships between roles and attributes to its own document.

See Accessibility Roles and Attributes Reference.

2008-03-11

Removed the Children attribute from the Busy Indicator role information.

2007-12-11

Changed the description of the window role's focused attribute.

2007-09-04

Made minor fixes to required attributes for accessibility objects of the image and combo box roles.

2007-02-08

Added information on the group role and its attributes.

2006-06-28

Made minor corrections.

2005-11-09

Made minor bug fixes.

2005-04-29

Updated attributes supported by Menu, Menu Item, and Menu Bar Item roles.

New document that explains the accessibility features built into OS X. Some content was previously in "Making Carbon Applications Accessible to Users With Disabilities."