See also...

New features in C# 6: http://blogs.msdn.com/b/csharpfaq/archive/2014/11/20/new-features-in-c-6.aspx

New language reatures in C# 6: https://github.com/dotnet/roslyn/wiki/New-Language-Features-in-C%23-6

Interpolated strings: https://msdn.microsoft.com/en-us/library/dn961160.aspx

Null-conditional operators: https://msdn.microsoft.com/en-us/library/dn986595.aspx