What it will do is give bonuses for equipment, chems, traits, and perks that would otherwise be ignored once the score in an attribute is above 10. This will, for example, just let players put in a strength score of 10 without worrying about wasting points when they get power armor and whatnot. I am not going to worry about balance as there are and will be plenty of mods to increase difficulty to compensate.
I'm hoping for a release by the end of this weekend.