On a related note, I have switched to using [ApiEndpoints](https://github.com/ardalis/ApiEndpoints) due to Microsoft's recommendation and use in their eShopOnWeb architecture reference.
This along with MediatR in a modulithic application is my favorite setup so far.
https://www.reddit.com/r/dotnet/comments/mcub2n/aspnet_core_6_will_enable_turning_any_methods/gs6d0sz/?context=5