Swift 5.7 Released!

Swift 5.7 is now officially released! Swift 5.7 includes major additions to the language and standard library, enhancements to the compiler for a better developer experience, improvements to tools in the Swift ecosystem including SourceKit-LSP and the Swift Package Manager, refined Windows support, and more.

→ swift.org/blog/swift-5.7-released/

Swift 5.7, officially released, brings significant updates including shorthand syntax for optional unwrapping and closures, enhanced generics with a rewritten type checker for better performance, and improved data race safety with new concurrency annotations.

It introduces powerful string processing with regex literals and RegexBuilder, alongside better ARC rules for predictable variable lifetimes and optimised code completion integrated with the type checker.

The Swift Package Manager adds support for package registry services, refined build and command plugins, and module aliasing, while SourceKit-LSP enhances multi-project handling for the Swift VS Code extension.

The open-source Distributed Actor Library supports distributed systems, and Windows support improves with a streamlined toolchain, multi-architecture support, and static library capabilities.