I got: failed to demangle witness for associated type 'Body' in conformance yet updates to:; iOS 17.0 (21A5277g) 'til half an hour ago it worked in TestFlight also with previous beta Any clue? FIXED after downloading Version 15.0 beta 5 (15A5209g) BUT... no more TF.... Unsupported Xcode or SDK Version. Your app was built with a version of Xcode or SDK that is not yet supported for upload to App Store Connect. For more information about supported versions of Xcode and SDK for Testflight or App Store submissions, view the App Store Connect What's New page (https://developer.apple.com/app-store-connect/whats-new/). (ID: a1433239-95a6-42db-88d9-c3bc0365679f)