I’d love to see a more interactive and integrated friendship aspect. Including visual badges that you could highlight on your profile and/or go see your friends badges.
Could be all kinds of cool stuff.
Courses played
Rounds played
Countries played in
Unique players played with
Birdie made
Eagle made
Ace made
No bogey round
Drive length achievements
Putt length achievements
Contributions to course info
Course manager
Special event attendance badges maybe?