Pushed Authorization Request (PAR) Support in ASP.NET Core
We think that PAR is one of the easiest ways to increase the security of OAuth and OpenID Connect. That’s why we prioritized the implementation of the RFC and released fully featured support in IdentityServer v7.
Unfortunately, it wasn’t as straightforward as it could be to add client-side PAR support to an existing ASP.NET Core application using the Microsoft OpenID Connect authentication handler.