Yes, it doesn't require 1.2.3. Keep in mind that it's incomplete and its main purpose is for testing and bug reporting. If you want to have a competitive match on a stable server, you're looking in the wrong place. This is basically our way of including the fanbase in our development, and at the same time, increasing the stability of our game by getting the fans to submit bug reports. We're also looking for (smaller) suggestions related to the current features, and how we can make it better.