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
This is the most useless update you could possibly do. You could've taken this time to fix your copyright system, but noooooooo, you go and fix an issue that LITERALLY no one is complaining about.