What’s new in swift 6

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

1. Data Race Safety: Swift 6 introduces a new language mode that provides data race safety guarantees, helping developers write correct concurrent programs. This mode is opt-in, allowing developers to adopt it module by module (What’s new in Swift).

2. Non-Copyable Types: Swift 6 introduces non-copyable types, which are not copyable by default, enhancing memory management and performance (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. Swift Testing: An all-new testing framework named Swift Testing is introduced, built from the ground up for Swift, with expressive APIs that simplify writing tests (Platforms State of the Union).

5. GitHub Migration: 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 (What’s new in Swift).

6. Concurrency Improvements: Enhancements to concurrency, including improvements to generics and better data race checking, are part of Swift 6 (What’s new in Swift).

7. Interoperability: Continued improvements in interoperability with C and C++ (What’s new in Swift).

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