Swift 3.0 is a major update to Apple's new programming language. It contains fundamental changes to the language and Swift Standard Library and is not source compatible with Swift 2.2.
A list of changes in Swift 3.0 can be found here.
Swift 3.0 will include the Swift Package Manager for the first time supporting development and distribution of cross-platform packages.
Kremenek reveals that Swift 3.0 will likely launch late this year and be available via the website and Xcode.
Swift 3.0 is expected to be released sometime in late 2016. In addition to its Swift.org release, Swift 3.0 will ship in a future version of Xcode.
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