What's new in Xcode 10? [Updated for 10.1, 10.2 and 10.3]
Xcode is the complete developer toolset used to create apps for Apple TV, Apple Watch, iPad, iPhone, and Mac. The Xcode development environment bundles the Instruments analysis tool,
Swift5
What will be new in Swift 5?
Apple Swift 5 will be release in early 2019. The primary focus of Swift 5 will be ABI (Application Binary Interface) stability for the Swift Standard Library. Here
Learn Swift Programming Language on Windows OS using Swift IBM Sandbox
Update - IBM discontinued Swift Sandbox. Alternatively, now you can run Swift natively on Windows 10 using WSL. Here the complete guide to run Swift on Windows. The IBM