Xamarin Blog

An open source mobile platform for building Android, iOS, macOS, watchOS, and tvOS apps with .NET.

Getting Ready for macOS’s Hardened Runtime and Notary

With macOS Mojave, Apple introduced support for Hardened Runtime and Notary service. These two services are designed to improve application security on macOS. Recently Apple has stated: “Beginning in macOS 10.14.5, all new or updated kernel extensions and all software from developers new to distributing with Developer ID must be notarized in order to run. In a future version of macOS, notarization will be required by default for all software.”

CoreML Programming with Xamarin.Mac and F#

Although Xamarin technologies are most commonly used to develop mobile applications, Xamarin.Mac makes it easy to use your preferred .NET language to develop desktop Mac apps. There are many C# examples in Xamarin’s mac-samples directory on Github, but it's also easy to use F# to develop desktop Mac apps as well.