Bugs after updating to OS X Yosemite

I heard there was the possibility of bugs upon updating my software so I started off by making a custom game against bots in the new summoner's rift. There were many problems. I'd have to click several times to choose my first ability, I wasn't able to change settings such as mouse sensitivity until I clicked several times, and finally, the camera refused to move. I turned the camera-on-champion lock on and off to check, but it still did not move. It didn't move when I put my cursor to the side of the screen or when I clicked on the map, or when I had my champion walk off screen and pressed spacebar.

TLDR: The game is unplayable right now for me on the Mac Client.