It features "aggressive units that attack enemies on sight, lifelike animals that escape danger, two new maps, in-game multiplayer chat and much more"! Check their release news for more details and instructions how to install.
As always this gem of a game is looking for helping hands, so join them now and become part of FOSS gaming history!
P.S.: I will be looking into playing some MP FreeGamer matches with this release, so head over to our forums and discuss when and how!