Again, you’re reading that correctly. The game is still so broken they are now resorting to having people test their upcoming update to ensure it’s working correctly.
There are some caveats though. You have to be a Xbox Preview user and sign up for the MCC update beta via the Preview Registration app. Additionally, if you get the update you will not be able to go into matchmaking or play with anyone not in the beta themselves.
More information can be found on 343’s latest blog post.