The effort you refer to is called Rhombus, it is not a rewriting of any part of Racket, which continues to be developed and supported. I'm not a fan of the new

The effort you refer to is called Rhombus, it is not a rewriting of any part of Racket, which continues to be developed and supported. I'm not a fan of the new project, since it means the core team is less focused on Racket than they otherwise would be. But, it's their life.