The original deadline was January 31st. Melissa Scott says they're extending to July 31st, though there's nothing up on the official site yet.
In other news, I appear to have written a 2700-word epistolary mad science love story with giant mind-controlled grasshoppers. If you'd like to volunteer as a research subject--sorry, I mean beta reader, just reading, absolutely no untested mind-control devices involved, I promise--please let me know. I'm aiming for the January 31st deadline, just in case.