Swift-DocC is a documentation compiler launched by Apple in 2021, which can generate documentation by compiling comments in source code. Recently, Apple open-sourced the source code of Swift official documentation on Github, claiming that Swift-DocC will be used to build documentation based on this repository in the future. Apple expects developers to work with the open source community to improve Swift-DocC and to contribute to the official documentation.

References:

Moving “The Swift Programming Language” book to open source

https://www.runway.team/blog/how-to-improve-ios-build-times-with-modularization

Writing Symbol Documentation in Your Source Files

https://developer.apple.com/documentation/xcode/writing-symbol-documentation-in-your-source-files

What's new in Swift-DocC

https://developer.apple.com/videos/play/wwdc2022/110368/

Improve the discoverability of your Swift-DocC content

https://developer.apple.com/videos/play/wwdc2022/110369/

Meet DocC documentation in Xcode

https://developer.apple.com/videos/play/wwdc2021/10166/

Elevate your DocC documentation in Xcode

https://developer.apple.com/videos/play/wwdc2021/10167/

Build interactive tutorials using DocC

https://developer.apple.com/videos/play/wwdc2021/10235/

Host and automate your DocC documentation

https://developer.apple.com/videos/play/wwdc2021/10236/

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