Document Revision History
This table describes the changes to SKPaymentTransactionObserver Protocol Reference.
|2012-09-19||Describes new features added in iOS 6.|
|2011-06-06||First release of this document for OS X.|
|2010-01-20||Fixed a typo.|
|2009-11-17||Marked which methods in the protocol are optional.|
|2009-07-13||Added descriptions of restored transaction methods.|
|2009-03-12||New document that describes an interface for observing transactions updated by the payment queue.|