Document Revision History

This table describes the changes to Game Center Programming Guide.

DateNotes
2015-12-08

Removed outdated links and the testing chapter. Added a link to the new "no sandbox" testing tech note.

2015-06-30

Added information on saving games and moved code examples to the appropriate API reference guides.

2013-10-22

Added information on resolving turn-based exchanges.

2013-09-18

Added information about leaderboard sets and exchanges.

2012-09-19

Renamed to Game Center Programming Guide. Removed chapters not related to Game Center apps. Updated to include features added in iOS 5 and iOS 6. Also updated to include OS X support.

2012-07-17

Added to the OS X Developer Library

2011-03-08

Revised the process for authenticating the local player. Clarified many aspects of Game Center usage.

2010-10-25

Clarified the requirements for performing server-based matchmaking. Improved the guidelines implementing voice chat in a Game Center application.

2010-08-27

Updated to add Game Center classes.

2009-05-28

Revised to include more conceptual material.

2009-03-12

New document that describes how to use GameKit to implement local networking over Bluetooth as well as voice chat services over any network.