>still not clear on the other way around though - selecting 3.2 but being able to use 4.x API; the discussion doesn't seem to say compatibility works that way aroundDon't conflate supported code with migrated code.From the Xcode 10 Release Notes:Xcode 10 is the last release that will support Swift 3. Migrate your projects from Swift 3 code to Swift 4.2 syntax by opening the project and choosing Edit > Convert > To Current Swift Syntax… (43101816)
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Developer Tools & Services
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Xcode
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