The official map submission guidelines have been posted, and a date has been set. All maps that will be considered for official inclusion in Natural Selection need to be playable by Friday, June 28th. Check the here for the specifics.
The NS team hopes to be feature complete by the end of June, after which we’ll continue to refine, balance and polish until we finally decide to release. The nice thing about doing lots of playtesting early is that less time will be spent now reworking things, because all the basic systems are known to work and be fun!
This is where things get really good.