5 new Multi-Arena maps (see them on the screenshots page)  , Mac support for RA3 client  ,New "enemy_model" cvar to allow you to set the enemy team to a different model , Improved player spawning code , Callvote support for "map" ,  IP addresses/names of players logged for server admins , Vote spam protection , New stats commands for weapon accuracy , Major cheat-protection/bot prevention improvements , Integrated IRC chat client , MP3 player fixed under Q3 1.27 , Demo recording fixed under Q3 1.27