This article provides several troubleshooting tips for working with iOS 11 in Xamarin.iOS apps.
The following sections list some known issues that can occur when using iOS 11 with Xamarin.iOS and, where available, the solution to those issues:
Xamarin Studio will not work with Xcode 9. Please upgrade to Visual Studio for Mac.
For issues with Xamarin's iOS 11 support that is not listed in this Release Notes or the Xamarin Releases Blog, please report them to Bugzilla. Bugzilla is the best way to inform the engineering team of issues and the have a problem taken care of quickly. Additionally, adding helpful or relative information to existing bug reports helps the engineers to reproduce and track down issues and adds weight to those issues, which may result in them becoming higher priority fixes. Your help is very appreciated!
For known issues, workarounds and bug fixes with specific releases of Xamarin.iOS, please see the Current Releases and Previews page. It contains the most up-to-date information from the Alpha, Beta and Stable release channels.
Xamarin Releases Blog
The Xamarin Releases Blog is another source of information on the latest Alpha and Beta builds of Xamarin.iOS. It lists the fixes that are included is a given release and the known issues that exist.
Forums and StackOverflow
For answers to specific questions about using or implementing a specific iOS 11 feature in Xamarin.iOS, the Xamarin iOS Forum provides a wealth of information. StackOverflow is another good source of users-helping-users information.
If you think you have found a bug in Xamarin.iOS, please remember to file a bug report on Bugzilla in addition to posting a question on either the Forums or StackOverflow.