Comment below rating threshold, click here to show it.
There's a minor bug that occurs when in champion selection. When you choose a champion, sometimes it'll have a pop up saying that that champion has already been selected when they haven't been. Maybe someone could look that over.
Plus I've seen minions in the front of a group of minions go fast and outrun the group. I don't know if that's a bug or what, but sometimes it can throw you off when you're trying to push.