From what I understand, after you make changes to it and restart Ghost, your new routes should be implemented
/cc @Kate there hasn’t been an announcement for this in the forum (such as ✨ Koenig Editor - Beta Release - #39 by Kevin) and I don’t know if there will be one, but since it’s hot off the press, I would wait a little bit before diving right into it - you might end up doing 3-4x the work to figure out how to use it when the details post is being written!
Here’s the relevant commit, with a really detailed commit message if you’re curious 