The active user list has been changed to thirty list for several reasons. One being that people in the game rooms are shown as not on.
If you want to see whos actually on or not, click "Last Click" and if their time is around the current time, then they are probabaly still on.
If you want to see whos actually on or not, click "Last Click" and if their time is around the current time, then they are probabaly still on.