Hello @Max Wilson ,
Welcome to Microsoft Q&A forum.
Please kindly check this thread: No Simulator in Xamarin forms Visual studio for mac 17.5.4 and this thread: Xcode 14.3 Support for Xamarin, .NET 6/7 and MAUI.
Apple released Xcode 14.3 on March 30<sup>th</sup>, 2023, we have what we believe are the final builds for you to test on Xamarin.
- Xamarin.iOS 16.4.0.6.pkg
- Xamarin.Mac 9.3.0.6.pkg
For MAUI we are still producing builds compatible with Xcode 14.3 so we recommend using Xcode 14.2 for now. If you updated to Xcode 14.3 and want to go back to Xcode 14.2 you can download Xcode 14.2 from the downloads page in the Apple Developer Portal and continue to use it.
Best Regards,
Tianyu
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