Patrick Wolowicz

> [@hactar](https://github.com/hactar) sorry about that, I only tested when building against the macOS SDK - do you also reproduce it when building a macOS CLI tool using Swift OpenAPI Generator,...

> A workaround appears to be to manually edit `/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk/System/Library/Frameworks/Foundation.framework/Modules/Foundation.swiftmodule/arm64e-apple-macos.swiftinterface` and replace the erroring occurrences of `#available(macOS 16, iOS 19, tvOS 19, watchOS 12, visionOS 3, *)` with `#available(macOS 26,...

Ooh, nice! I took a look by comparing it to a different Framework I build. Principally the location of the file looks correct. The only difference I see is that...