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I'm getting an issue where compiling both my macOS and iOS frameworks in Release modes (i.e., Archive) in Xcode 10.2. This happens with both Swift 4.2 and with Swift 5. I can get it to stop hanging by either:Changing Compilation Mode from Whole Module to IncrementalChanging Optimization Level from Optimize for Speed to either Optimize for Size or No OptimizationDoes anyone know what may be going on here? Is there a likely culprit in my codebase or is this just a compiler bug?

I recently had a build go into the system for Test Flight distribution and got the automated message: "ITMS-90338: Non-public API usage - The app contains or inherits from non-public classes in Contents/MacOS/: UIMarkupTextPrintFormatter." I've been using UIMarkupTextPrintFormatter for a long time, and it appears to be a very-public API. I don't even see it as being marked obsolete/deprecated. Is anyone else getting this message? Is this just a goof on Apple's part, or will I need to find some alternative to UIMarkupTextPrintFormatter?