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I have just installed Catalina Beta 4 and Xcode Beta 4..   All went well.   Now when i try and test my Apps, not matter the size or even if it's a new one just created in eiither Swift or SwiftUI, the Simulator give me an Error.   Details   Could not attach to pid : “724” Domain: IDEDebugSessionErrorDomain Code: 3 Failure Reason: Error 1… (Show more)
in iOS Simulator and Devices
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Using the iOS 13 beta SDK, I'm trying to drive updates to a UICollectionView using a NSFetchedResultsController and the new NSDiffableDataSource APIs as outlined in session 230 - 'Building Apps with Core Data'.   Using the NSFetchedResultsController delegate method 'didChangeContent withSnapshot', I'm trying to for cast the… (Show more)
in Core Data