Riot has released their first patch preview video of 2013, covering a range of changes for the new year. The team guides us through the thought process behind some of the more delicate changes.
Additionally, a handy infographic explaining how Season 3 is going to work has been released - check it out here!
A full list of notes is available on RoG, so be sure to head over there to read up on the changes. For in-depth information about League of Legends, including strategy, champion, and gameplay guides, check out ReignofGaming.net and LoLPro.com.