Carbide Motion V3 versus V4

No, we are currently shipping Grbl 1.1 (unless the fab makes a mistake or an order gets mixed up — it’s happened, but not for a while).

Please install CM4: http://carbide3d.com/carbidemotion/download/

If you need to revert back to CM3 and Grbl 0.9 for some reason, please see: GRBL 1.1 and Carbide Motion 4