What’s new in swift

Generated on 8/1/2024

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What's New in Swift

Key Updates and Features

  1. Swift 6 Language Mode:

    • Data Race Safety: Swift 6 introduces a new language mode that provides data race safety guarantees, which helps in writing correct concurrent programs.
    • Non-Copyable Types: Swift 6 introduces non-copyable types, enhancing memory management and performance.
    • Embedded Swift: A new language subset called Embedded Swift is introduced, which can run on highly constrained systems.
  2. Swift's Evolution:

    • Concurrency Model: The concurrency model has been refined over the years, with features like async/await, actors, and structured concurrency.
    • Distributed Actors: Introduced to make it easier to build network services.
    • Bi-Directional Interoperability with C: This feature was introduced to bring Swift's safety and expressivity to large cross-platform C codebases.
  3. Swift Ecosystem:

    • Swift Package Manager: Continues to evolve, supporting a wide range of packages and tools.
    • Swift on Multiple Platforms: Swift is now available on more platforms, including Windows and Linux.
    • Swift's New Space on GitHub: The Swift project will be moving to a new organization on GitHub, managed by the Swift project.
  4. SwiftUI Integration:

    • Main Actor Annotation: Views in SwiftUI are now marked with the main actor annotation, ensuring they are implicitly isolated to the main actor by default.
    • Improved APIs: SwiftUI has improved its APIs to make it easier to adopt the new Swift 6 language mode in your apps.

Sessions Mentioned

For a detailed overview, you can watch the session What’s new in Swift.