That's really interesting there I haven't yet come across this however I can see how it can be tremendously helpful when someone wants to dynamically generate a form in Retool. There maybe work-arounds we can implement to generate something similar but a form of direct methodology would be fantastic!
I was told we're at 2.1.0 but RJSF is currently at 4.1.1. We are working diligently on upgrading this piece for everyone but please be patient with us. I'd definitely recommend post in the Feature Request section of this community as well