who built this?
Asked on 06/11/2025
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The content presented at Apple's WWDC often involves contributions from both Apple engineers and the broader developer community. For example, in the session titled "What’s new in Swift" from WWDC 2025, it is mentioned that Swiftly, a version manager, was originally developed by the open source community to streamline Swift toolchain management on Linux. This highlights the collaborative nature of many projects discussed at WWDC, where both Apple and the open source community play significant roles in development.
If you have more specific questions about a particular session or topic from WWDC, feel free to ask!
What’s new in Swift
Join us for an update on Swift. We’ll talk about workflow improvements that make you more productive, and new and modernized library APIs for fundamental programming tasks. We’ll show examples of Swift adoption throughout more layers of the software stack. Finally, we’ll explore new language features for both improving approachability of concurrency, and achieving peak performance when you need it.
Demystify explicitly built modules
Explore how builds are changing in Xcode 16 with explicitly built modules. Discover how modules are used to build your code, how explicitly built modules improve transparency in compilation tasks, and how you can optimize your build by sharing modules across targets.
What’s new in Swift
Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.