Last month, Apple began offering a "last compatible" version feature in its iOS App Store, giving developers the option of offering users running pre-iOS 7 operating systems on their iOS devices the ability to download older versions of their apps compatible with those devices and operating systems. With today's launch of OS X Mavericks, Apple has notified Mac developers that a similar feature is coming to the Mac App Store, allowing users to continue using older versions of apps on their Macs that may not be compatible with Mavericks.Users who have already purchased your Mac app are now able to download previous versions, allowing them to use your app with M
