There is no supported way. The Xamarin build chain does not support Xcode 16. You will need to migrate your app to Maui, and then use visual studio code to build and sign on Mac, or use windows with a paired Mac to build and sign with visual studio for windows.
How to Upload a Xamarin IPA to App Store with Xcode 16.3 on macOS 15.4.1?"
Following the resolution of a recent production issue, I attempted to build the IPA on a Mac that was just updated to the latest macOS version(15.4.1). and Xcode version from 15.5 to 16.3. This update is necessary because, starting May 1st, 2025, all apps submitted to the App Store must be built with Xcode 16 or later. As a result, Visual Studio for Mac version 17.6.14 is no longer compatible with Xcode 16 or later. Since we are currently using Visual Studio for Mac 17.6.14, we will need to upgrade to Visual Studio 17.9 or later. However, it’s important to note that Microsoft officially ended support for Visual Studio for Mac as of August 2024, with version 17.6.14 being the final release. so how can i upload my xamarin ipa on appstore.
Xamarin
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Bruce (SqlWork.com) 75,386 Reputation points Moderator
2025-05-11T15:10:29.62+00:00