It's because Microsoft's main client application platform's .NET runtime is not .NET compliant, resulting in their own language, F#, not be supported. See here

It's because Microsoft's main client application platform's .NET runtime is not .NET compliant, resulting in their own language, F#, not be supported. See here https://news.ycombinator.com/item?id=15007166 https://news.ycombinator.com/item?id=15007166 They act as if C# is the only .NET language and nothing will change if we don't speak up about it.