EVE Online: Rubicon, the 20th free expansion for EVE Online, is here at last with a hefty patch. The 1.21GB download has a crap ton of new features and bug fixes. I'm downloading it right now, and I should have impressions on it for you guys soon. Also, here's the Rubicon soundtrack on Soundcloud.
You can read all of the patch notes right here, but I listed the most notable changes below.