On macos-14 GHA runners, building swift-system 1.7.5 as a dependency for a SwiftPM 6.3 project reports the following error (I can supply the log, if necessary):
.build/checkouts/swift-subprocess/Sources/Subprocess/SubprocessFoundation/Input+Foundation.swift:154:42: error: value of type 'Data' has no member 'bytes'
I set up the Swift 6.3 toolchain using:
swiftly init -ny
git reset --hard HEAD # to undo unnecessary changes to .swift-version
swiftly link latest
macos-26 & macos-26-intel did not get any errors. I don't know about macos-15 & macos-15-intel, because the macos-14 failure canceled these before they finished.
I do not get any errors building with swift from Xcode 26.6 on my macOS 26.6.1 M4 Max Studio.
On macos-14 GHA runners, building swift-system 1.7.5 as a dependency for a SwiftPM 6.3 project reports the following error (I can supply the log, if necessary):
I set up the Swift 6.3 toolchain using:
swiftly init -ny git reset --hard HEAD # to undo unnecessary changes to .swift-version swiftly link latestmacos-26 & macos-26-intel did not get any errors. I don't know about macos-15 & macos-15-intel, because the macos-14 failure canceled these before they finished.
I do not get any errors building with
swiftfrom Xcode 26.6 on my macOS 26.6.1 M4 Max Studio.