https://www.pcgamer.com/pubg-adds-emotes-and-friends-list-despite-anti-cheat-delay/

As promised in last week's roadmap post, PlayerUnknown's Battlegrounds now has emotes, Steam achievements and an in-game friends list. Rolled out today, PUBG's PC Update #7 is live. 

Because when fighting for your life against 99 other bloodthirsty, formidably armed combatants, what's more important than taking the piss? Survival? Winning? Hardly.