It shared nothing with Visual Studio apart from the name as it was just a rebrand of MonoDevelop.

I tried to use it on a Xamarin project a few years ago, and between the poor autocomplete and frequent crashes, I switched to JetBrains Rider for everything but XAML editing. There were also features that were locked behind a $250/month Enterprise subscription which other IDEs provide for free.

https://en.wikipedia.org/wiki/MonoDevelop#Visual_Studio_for_...