C# language is evolving, continuously, that I call it C#++ 

Getting .NET Core 2.1 Preview 2 Working with Visual Studio 2017 

Announcing .NET Core 2.1 Preview 2 

.NET Core 2.1-Preview2 comprises:

• .NET Core Runtime 2.1.0-preview2-26406-04
• .NET Core SDK 2.1.300-preview2-008530

New .NET Core 2.1 and ASP.NET Core 2.1 APIs

namespace System.IO
{
    public static class Path
    {
        public static ReadOnlySpan<char> GetExtension(ReadOnlySpan<char> path);
        public static ReadOnlySpan<char> GetFileName(ReadOnlySpan<char> path);

Quick summary of what’s new in ASP.NET Core 2.1
 Now it’s time to look into things in more detail and with a little explanation to understand things better. Therefore, in this post, find a short and quick summary of what’s new in ASP.NET Core 2.1.

Announcing .NET Core 2.1 Preview 1