If XcodeGen is compiled with Swift 4.2, then UUID's in the generated project will not be deterministic. This will be fixed in an upcoming release with an update to xcodeproj 6.0
Fixed
- Fixed release builds in Swift 4.2 404 @pepibumur
- Fixed default settings for macOS unit-tests 387 @frankdilo
- Fixed Copy Headers phase ordering for Xcode 10 401 @brentleyjones
- Fixed generated schemes on aggregate targets 394 @vgorloff