One of the great extensibility points in the routing feature of the older versions of the ASP.NET MVC and ASP.NET Core MVC frameworks was the ability to pick up any route and dynamically point it at a given controller/action.This had a lot of excellent use cases – as we will briefly see – and since ASP.NET Core 3.0 Preview 7, the feature is actually finally available in ASP.NET Core 3.0 (despite not being mentioned in the official release blog...