Visual Studio for Mac
Update: I think someone posted news a little too early as the linked article has been pulled.
Mikayla Hutchinson via the MSDN blog:
At Connect(); in November, Microsoft is launching a preview of Visual Studio for Mac. This is an exciting development, evolving the mobile-centric Xamarin Studio IDE into a true mobile-first, cloud-first development tool for .NET and C#, and bringing the Visual Studio development experience to the Mac.
After the release Visual Studio Code, I expected a version of Visual Studio for Mac, but not this quickly. This is big news!