I opened unity in “Lan host” then connected two other clients. When I set the usernames in the clients, the list only updates on their own objects only with their own name My goal is to everybody on the server have a List of the player names
You need to send the change as a package to the other players too.
So when a player changes his name you send the info about the change to the host, host then sends the information about the change to all players, if the playerlist is always visible.
Or you can just send the change info to the server host. And the players can request the the most recent player list from the server each time the open the friend list.