Is the system of having to upgrade to the next level in order to get the new units the way it is going to stay? Not to be insulting or derogatory in any way, but it kind of seems stupid. Is this a work around to the CTD button/building thing?
Personally think it is much better this way. Always seemed silly to me how in vanilla your unit recruitment magically switched overnight. In a lot of historical armies big reforms happened very gradually, with elite units being the first to get new equipment, then standard units, with militia level units getting the old equipment handed down etc.