Swift 1.0 is Official

Apple:

On June 2, 2014 at WWDC, the Swift team finally showed you what we had been working on for years. That was a big day with lots of excitement, for us and for developers around the world. Today, we’ve reached the second giant milestone:

Swift version 1.0 is now GM.

Xcode 6 GM includes the iOS 1.0 version of Swift.