Bohemia Interactive has released a new update for the Arma 3 Alpha. Aside a wide number of tweaks and optimizations, version 0.54 of the Arma 3 Alpha implements a new fog technology, adjustable sidearm stances and further stability fixes.
To participate in the Arma 3 Alpha, people can choose from the Arma 3 Alpha (24.99 EUR/19.99 GBP/32.99 USD) or Arma 3 Digital Deluxe Edition (39.99 EUR/34.99 GBP/49.99 USD) on Steam or Store.bistudio.com. Alternatively, they can obtain a free invite to the Arma 3 Alpha Lite, which enables you to try out the singleplayer content of the Alpha. The full overview of editions, and their conditions, can be found here.