Arma 3 Alpha updated to version 0.58
Bohemia Interactive has released a new update for the Arma 3 Alpha, and in version 0.58, new dedicated combat and stealth radio protocols have been added along with tweaks to lighting and audio. Also, multiplayer dedicated server administrators now have access to a "separated executable" to host such servers more conveniently. Have a look at the entire changelog here, and to automatically update to the new version, just log into Steam.