# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-01-25 08:30:30 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/824172581901242368) RT @johnsundell: Awesome, Xcode 8.3 beta includes Swift 3.1, which includes support for nesting generic types and using same-type generic c…