Contributing to Swift.
Authoring Swift Evolution proposals and working in the C++ Interoperability Workgroup.
Swift Evolution
Changing the language, in public.
New features in Swift start as Swift Evolution proposals, written up in the swift-evolution repository and pitched and reviewed in public on the Swift Forums.
SE-0554
Deployment target conditional compilation
Adds #if deploymentTargetAtLeast(…), a compile-time check of the minimum OS a module is built for. Reviewed September 29 to October 12, 2026.
Next
More to come.
New proposals will appear here as they are pitched.
C++ Interoperability Workgroup
The workgroup guides how Swift and C++ call each other directly, without a bridging layer, so existing C++ code can be used from Swift and the other way around.
Member since October 2025.
Joined the workgroup in October 2025, by invitation.
On the Swift Forums.
Listed in the cxx-interop-workgroup group on the Swift Forums.
In Cupertino.
Attended the Swift Contributor Social during WWDC26 week.
Open source tools
Open source tools. GlassIntroKit and SwiftDelta, two Swift projects on GitHub, are on the Open Source page.