Learn about building apps for the latest releases of macOS, iOS, watchOS, and tvOS with API references, guides, and sample code.

Swift 3

This update is a thorough refinement of Swift, a robust yet intuitive programming language for Apple platforms.

What's new in Swift 3

Development Videos

Learn how to build compelling, engaging, and user-friendly apps for Apple platforms.

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Get the latest software so you can prepare your apps for new technologies before they're in the hands of customers.

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