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Hello, there,   Today after I archived my iOS app and tried to validate it, I got the following error   Invalid Toolchain. Your app was built with an unsupported version of Xcode or SDK. If you plan to submit this build to the App Store, make sure you are using the GM version of Xcode 10.1 and the SDK for iOS 12.1 and watchOS 5.1, Xcode 7.1 and… (Show more)
in App Submission and Review
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Say I grab a password from a keychain:   var password = getPasswordFromKeychain() // use password password = nil // don't keep user secrets hanging around in memory   Does Swift/OSX/iOS make any guarantees about what happens to the password bytes? How about the buffer that was used to return results by the Keychain API? You get the idea.
in Swift