I’ve had a great experience with F#. It’s now my preferred language in almost all cases, and it’s plenty fast enough for the vast majority of applications. I use Visual Studio and the UX is excellent. (A lot of F# developers use Paket instead of Nuget.)

MS seems committed to F# as at least a source of future C# language enhancement ideas (although C# will never fully catch up). There’s also a vibrant F# community on Stack Overflow, Reddit, etc. I never have trouble getting help if I need it.