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Swift 6

We’re delighted to announce the general availability of Swift 6. This is a major new release that expands Swift to more platforms and domains.

Swift 6 introduces a number of productivity enhancements, including count(where:) to streamline counting the number of elements in a sequence that satisfy a predicate, pack iteration for writing natural for-loops over the elements in a value parameter pack, access control for imports to keep implementation details from leaking into your public APIs,@attached(body) macros for synthesizing and augmenting function implementations, expression macros as default arguments, and more. Swift 6 provides a new debugging macro to easily customize how an object is displayed in LLDB when using the p command, and in the variables view in Xcode and VSCode, by using a formatting scheme that does not run arbitrary code. Swift 6 supports building fully statically linked executables for Linux; these have no external dependencies, so they are ideal for situations where you want to copy a program directly onto a system or into a container and run it without installing any extra software.

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