Support policies for the various technologies that make up the .NET platform.
.NET Core refers to several technologies including .NET Core, ASP.NET Core and Entity Framework Core.
.NET Framework covers a broad set of technologies including the .NET Common Language Runtime, .NET Framework Base Class Libraries, WPF, ASP.NET Web Forms, Controls, Modules, Handlers and more.
ASP.NET is a web development framework for .NET and includes components that ship in .NET Framework, .NET Core, and as external packages.
Xamarin offers a set of tools and technologies for creating native iOS, Android and Windows applications.
Please see https://visualstudio.microsoft.com/vs/support/ for available support options.