Fill in the form
And it'll appear on the list.
Doesn't matter if you're a member of any particular society or a convention goer, or if it's your own work, or something you published, or anything like that. Do try to suggest things that you think are good, though!
Note that this is completely unofficial and not even slightly endorsed by any particular organisation.
If you spot a mistake or a miscategorisation on the list, point it out using the "Correct something" option on the form.
I hope this'll end up producing quite a useful list of relevant 2012 releases, but if not it'll at least be handy for me. Already had a few contributions to the list, and been spurred to think of a few myself.