Currently, public sub counts are abbreviated in most but not all places across YouTube. In August, we’ll make this more consistent by always showing abbreviated sub counts publicly. Creators: You’ll still see your full sub count in Studio! Learn more → http://yt.be/help/abbrev-count …pic.twitter.com/pmaKk4EU4k
As someone who is getting their channel started (less then 100 squad) I can't wait to get to a point where I have to worry about whether my subs are abbreviated or not.