This is not the IPrincipal you are looking for.
David Pine
Senior .NET Content Developer @ Microsoft | International Speaker | Best-selling Author | Dometrain Author | 6x Google Developer Expert | 2x Microsoft MVP
ASP.NET Core is a completely re-imagined framework. Things that you may have grown accustomed to are no longer supported, but that is not a bad thing. In fact, there are plenty of benefits as a result. When it comes to "static mutable state", the ASP.NET Core team took the right approach by saying "hell no"!
Instead we'll embrace programming best practices and employ dependency injection! Read all about it in my latest post.