New Halloween and Christmas Event, change to difficulty where you can alter the amount of npcs in a mission since the mission could think there is 6 people when there is only one so no more PI PL teams asking for more people, powerset customization, new powersets, and changes to sking where everyone is sked to the leader's level. There is talk about GR as well and what I17 will have. Basically you missed just one issue worth of content.
The first step in being sane is to admit that you are insane.
Well, this page lists all the issues with their release dates.
It sounds like you only missed Issue 16 - details are here.
Paragon City Search And Rescue
The Mentor Project
i havent been on since last july i believe, i was wondering if someone could fill me in on everything thats been going on in COH/COV