ASP.NET Identity is a totally rewritten framework that brings the ASP.NET membership system into the modern era. ASP.NET Identity makes it easier to integrate different authentication systems such as local username, password as well as social logins such as Facebook, Twitter etc. It also gives you greater control over persisting data to your backend technology of choice. ASP.NET Identity is a game changer by bringing in more modern authentication systems such as Two-Factor Authentication. You can use ASP.NET Identity to secure Web Apps as well as Web APIs.
We've rewritten (and open sourced!) the C# and VB compilers, and exposed their functionality through APIs as the .NET Compiler Platform. But what do these APIs mean for those who aren't compiler jocks?
Learn about diagnostic analyzers, a key new feature of Visual Studio 2015 that lets a NuGet package introduce custom warnings and errors to your build. Analyzers let a NuGet package easily introduce custom warnings and errors to your build, along with automatic fixes in the IDE. We'll walk through the thought process and development of a simple diagnostic and code fix for the Regex API to see what it's like to quickly build analyzers for an API.