At least if they get to a stable base, then if things start screwing up they will know to look in the new pieces for the problem. As it is, new features get added, but they don't know if it is old code problems or new code problems.
And granted, new code can cause problems in the old code, I get that. Thanks all you Stardockians for your hard work. Take plenty of time off and enjoy your upcoming holidays, we'll all be here when you get back. 