Surprised? Me too!
Please read / watch / discuss https://www.mediawiki.org/wiki/Summer_of_Code_2013
*Nothing* about GSOC 2013 is confirmed at this point, but there is no harm in starting collecting ideas and recruiting participants.
Your feedback is welcome at the wiki page - or here if you are really really lazy. Reason: potential participants visiting that page in the near future will have an easier time following background discussions if they are take place there.
Thank you!