Explore the major updates and improvements to the authentication system in ASP.NET Core 2 and IdentityServer4 in this 55-minute conference talk. Dive into the new authentication methods, middleware changes, and default authentication schemes. Learn about the five key methods, DFS and SAML support, Open ID Connect, and the Hestia and API handlers. Discover how to implement logout functionality, front-channel templates, and contribute to the project. Gain insights into the IdentityServer ecosystem and find out about available training and consulting opportunities.