Implementado en PBE y sujeto a posibles cambios
Usability Improvements
Switch between screens with the new navigation. Your changes will be preserved until you hit OK
Restore defaults on a per screen basis so you don’t have to clobber all of your settings
Find stuff faster now that we’ve reorganized things
Scrolling. Yes, scrolling with your actual mouse wheel
Hotkeys
Quickly switch from Normal Cast to Smart Cast and back
Quickly change your main hotkeys or easily find that seldom used one lower down in the list
Video
Switching resolutions should be noticeably faster for many players
Quickly change graphics settings for more performance or to get higher visual quality with the new graphics slider
Interface
Quickly find all interface settings now that they live under one roof
Check out in-game results while you change settings as some options now update in real-time
More Options
Removed! We re-organized its contents into other, more appropriate sections
Feedback
As with anything on the PBE, we need your feedback to improve this feature. Hotkeys and options differ widely from player to player and we’re interested in how these changes impact you, for better or worse."
Self-Identifcation Circles
If happened to notice the circles surrounding champions on the PBE yesterday, Nome described them as:
"It's a feature for self-identification. We're still iterating on it 
"
