What is new feature about swift6

Generated on 8/7/2024

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Swift 6 introduces several new features and improvements aimed at enhancing portability, performance, and the overall developer experience. Here are some of the key highlights:

  1. Swift 6 Language Mode: This new mode provides data race safety guarantees, helping developers write correct concurrent programs. It diagnoses concurrent access to memory at compile time, making it easier to identify and fix data race issues (Platforms State of the Union).

  2. Non-Copyable Types: Swift 6 introduces non-copyable types, which are types that cannot be copied. This feature helps in managing resources more efficiently and avoiding unintended copies (What’s new in Swift).

  3. Embedded Swift: A new language subset called Embedded Swift is introduced, which can run on highly constrained systems like operating system kernels and microcontrollers (Platforms State of the Union).

  4. Concurrency Improvements: Swift 6 includes significant improvements to concurrency, such as better data race checking and the ability to pass non-sendable values across active isolation boundaries (What’s new in Swift).

  5. Swift Testing: An all-new testing framework named Swift Testing is introduced, which has expressive APIs that make it simple to write tests (Platforms State of the Union).

  6. GitHub Organization: Swift will be moving to a new organization on GitHub, named swiftlang, which will host critical projects for the Swift ecosystem (What’s new in Swift).

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