Getting the error:
New apps and app updates must be built with the public (GM) versions of Xcode 6 or later, OS X, and tvOS SDK. Don't submit apps built with beta software including beta OS X builds.
when trying to upload tvOS app to appstore, I am using Xcode Version 7.2.1 (7C1002), OSX 10.11.3 (15D21), and DTSDKBuild/DTPlatformBuild 13U79.
Which of these needs changing? I was under the impression that none of these versions are beta