Compatibility - Swift BlogSwift is now open source. For the latest news, visit the Swift open source blog One of the most common questions we heard at WWDC was, “What is the compatibility story for Swift?”. This seems like a great first topic. App Compatibility Simply put, if you write a Swift app today and submit it to the App Store this Fall when iOS 8 and OS X Yosemite are released, you can trust that your app will work
https://jp.techcrunch.com/2014/07/12/20140711apple-opens-up-with-a-new-blog-about-swift-its-new-programming-language/
