new in swift
Generated on 8/2/2024
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New in Swift
Swift 6 Language Mode
Swift 6 introduces a new language mode that achieves data race safety, expanding Swift's safety guarantees to concurrent programs. This mode is opt-in, allowing developers to take advantage of it when ready. For more details, you can watch the session What’s new in SwiftUI at 17:18.
Non-Copyable Types
Swift 6 also introduces non-copyable types. By default, all Swift types are copyable, but non-copyable types suppress this default behavior, making them suitable for scenarios requiring unique ownership, such as managing system resources like files. This feature helps prevent runtime issues like multiple writers to the same file and resource leaks. For more information, you can watch the session What’s new in Swift at 17:27.
Embedded Swift
Swift 6 includes a new language subset called Embedded Swift, which can run on highly constrained systems. This makes Swift a compelling choice for performance-sensitive and secure code, even in embedded environments. For more details, you can watch the session What’s new in Swift at 19:55.
Swift Data Enhancements
Swift Data has been enhanced with new capabilities such as the addition of index and unique attributes. These attributes help make queries more efficient and ensure no duplicate entries in a set of properties. For more details, you can watch the session Platforms State of the Union at 40:10.
Swift's New Space on GitHub
The Swift project will be moving to a new organization on GitHub, swiftlang, which will include the Swift Compiler foundation and many more Swift ecosystem packages. This migration aims to foster better management and growth of the Swift ecosystem. For more details, you can watch the session What’s new in Swift at 16:26.
Swift's 10th Anniversary
This year marks the 10th anniversary of Swift, celebrating its safety, speed, and approachability. Swift continues to evolve, making it a compelling choice for a wide range of applications. For more details, you can watch the session What’s new in Swift at 00:07.
Relevant Sessions
Feel free to explore these sessions for a deeper dive into the new features and improvements in Swift!
A Swift Tour: Explore Swift’s features and design
Learn the essential features and design philosophy of the Swift programming language. We’ll explore how to model data, handle errors, use protocols, write concurrent code, and more while building up a Swift package that has a library, an HTTP server, and a command line client. Whether you’re just beginning your Swift journey or have been with us from the start, this talk will help you get the most out of the language.
What’s new in SwiftUI
Learn how you can use SwiftUI to build great apps for any Apple platform. Explore a fresh new look and feel for tabs and documents on iPadOS. Improve your window management with new windowing APIs, and gain more control over immersive spaces and volumes in your visionOS apps. We’ll also take you through other exciting refinements that help you make expressive charts, customize and layout text, and so much more.
Platforms State of the Union
Discover the newest advancements on Apple platforms.
Platforms State of the Union 5-Minute Recap
Watch a quick recap of the newest advancements on Apple platforms.
What’s new in Swift
Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.