1st Suggestion ~~~~~~~~~~~~~~~~~~ So, my suggestion is that you know on some servers how they have the /friend command and it tells you the last time they were on the server and what server and if they are on at the time and you can join their game. Like, you can simply do /friend add (IGN) and they have a choice to be your friend on the server or to reject & there could also be a command where you can turn this off. 2nd Suggestion ~~~~~~~~~~~~~~~~~~ A command like /party so you can invite people to a party and they can accept it or not and they are in the party till they log off or simply leave it. It allows you to privately talk to each other in a group with out anyone else seeing what you are typing. It comes in handy for teaming it all sorts of game modes or if you just want to talk to a group of friends. These are 2 suggestions, if you don't know what i mean and what these are then just comment down and i can tell you more!! -keg
I've seen a few threads like this and my answer remains the same. Having these two things would be fabulous! Especially the friend thing, since looking through servers to find someone is always a pain.
Well, no support. If you wanted to check when your friends were last online, there is /seen {player name}. As for party, I'd say only on certain servers(like skywars). /party would be good for Skywars as it could allow people to join games as a group. If /party was introduced for something like KitPvP, it would allow people to team without hitting each other. Good ideas, but they need to be explained more thoroughly.
Kinda made this suggestion already :P http://www.mineverse.com/threads/party-for-kitpvp-oppvp-survival-skywars.28024/page-8
