The CfP isn't out yet and neither is the event format. However, it is fairly obvious that the public unveiling of the format and the CfP is *just there*
So, if you are planning for a:
[i] talk [ii] hack fest, sprint [iii] any other thing
please start getting your wits about you and start the process of dotting your i and cross your t
If grapevine/watercooler/twitter is to be believed, the screening process would demand a lot from the speaker.