URL Rewriting Middleware: URL rewriting is the act of modifying request URLs based on one or more predefined rules. URL rewriting creates an abstraction between resource locations and their addresses so that the locations and addresses aren't tightly linked
Response Caching Middleware: The middleware determines when responses are cacheable, stores responses, and serves responses from cache.
View Components as Tag Helpers: you can invoke a view component as a Tag Helper
Azure and Redis Storage Data Protection Key Repositories
WebListener Server for Windows
WebSockets support: Use WebSockets to work directly with a socket connection. For example, use WebSockets for the best possible performance with a real-time game. ASP.NET Core SignalR is a library that simplifies adding real-time web functionality to apps. It uses WebSockets whenever possible.