[capnrefsmmat]

It's the official goal of Racket to be based on Chez in the next couple years:

> TL;DR: I expect the main Racket distribution to run on Chez Scheme instead of the current Racket VM sometime in the next couple of years.

https://groups.google.com/d/msg/racket-dev/2BV3ElyfF8Y/4RSd3...