3.0.0-beta

Drop PCL Profile 259, 7, 78 support in favour of netstandard2.0
Support F# RFC FST-1003 loading into .NET Core-based F# tooling
Integer values for optional parameter for the System.Text.Encoding are only supported when the F# compiler
is run using .NET Framework. By default, new-style .NET SDK project files run the F# compiler with .NET Core.
To force the use of an F# compiler running with .NET Framework see this guide