what new's in Swift?

Generated on 9/9/2024

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At WWDC 2024, several new features and updates were introduced for Swift, marking its 10th anniversary. Here are some of the highlights:

  1. Swift 6: This new version introduces a language mode that provides data race safety, enhancing Swift's safety guarantees for concurrent programming. It also includes a new language subset called Embedded Swift, designed for highly constrained systems.

  2. Non-Copyable Types: Swift 6 introduces non-copyable types, which are a significant addition to the language, allowing for more efficient memory management and performance improvements.

  3. C++ Interoperability: Enhancements have been made to improve interoperability with C++, making it easier to integrate Swift with existing C++ codebases.

  4. Swift's New Space: The Swift project is moving to a new organization on GitHub, which will include the Swift Compiler foundation and other ecosystem packages, aiming to foster further growth and development.

  5. Concurrency Improvements: Swift continues to refine its concurrency model, with improvements in data race checking and the ability to pass non-sendable values across isolation boundaries safely.

  6. SwiftUI Enhancements: SwiftUI has gained new features like custom containers, mesh gradients, and scrolling customizations, making it even more powerful for building user interfaces.

For more detailed information, you can refer to the session What’s new in Swift (17:03) which covers language updates, including the introduction of Swift 6 and its features.

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What’s new in Swift

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.

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