Ways to reproduce :
1. Adds minimal 15 servers in the list (Warning : Vanilla Server or not ping modified)
2. Try to watch players connected (hover mouse to slots numbers)
3. Here is the bug !
Not Important
(Sorry for my bad english, watch the screen if you can't understand)
I'm sorry, what is the bug here? And does it still happen on 15w44b?
edit: Got it.