iOS 6 GM And Xcode 4.5 GM Released
September 12, 2012
After the announcement today of iOS 6 and iPhone 5, Apple also updated the developer tools to the Gold Master (GM) releases.
With iOS 6 becoming available on September 21st, Apple has also opened the door for applications to be submitted for review. You must use Xcode 4.5 when submitting iOS 6 applications.
One note, you will also need to sign a new license agreement before you can access the iOS 6 downloads.