Does anyone know if there have been attempts at using Yarp as a way to gradually migrate from one Umbraco site to another? Off the top of my head, for example you could set up a new Umbraco 13 with Yarp installed, and then for any 404 page, you could proxy the request through to an old Umbraco 8 installation. This way you could migrate a small section at a time. Old site could also be a completely different stack.

It particularly with tarp to my knowledge but there was a talk at Codegarden last year on this pattern of migration

@BockTown Did you get YARP to run inside a Umbraco website? I've played with it for a while without success.

I did not set it up myself, but I know we have projects using it. Also to move from one CMS to another, or to gradually move from .Net framework to Core.

https://github.com/bumpdigital/reverse-pirate might be of use.