The game has been updated to the latest Unity 3D v5.3 which should improve overall stability.
Also several gameplay tweaks and minor fixes have been introduced.

Hey everyone!
To be able to fix reported issues and improve gameplay side we decided to move to the latest version of Unity3D.
Thanks to this upgrade we will be also able to bring you some new Steam related features in the upcoming weeks.

Changelog:

• New lighting model
  
• New shaders
  
• Improvements in camera system
  
• Updated save system (preparation for Cloud Save)
  
• Several gameplay issues solved
  
• New Steam SDK implemented

Known issues:
delay on quit from main menu
achievement system under reconstruction
update for MAC/Linux version on the way

Soldiers, listen up! On top of the 80% discount on Arma Tactics this entire week, we've just deployed a brand new update for the Windows and Linux versions of Arma Tactics on Steam! Check out the complete mission report below.

Changelog:
* Fixed enemies being invisible and unselectable
* Fixed incorrect texts pop-ups
* Fixed inability to equip silencer if no other item was present in inventory
* Fixed disappearing selection decals around characters
* Fixed campaign objectives points of interest appearing in generated mission maps
* Minor fixes

Changelog:
* Fixed enemies being invisible and unselectable
* Fixed incorrect texts popups
* Fixed inability to equip silencer if no other item was present in inventory
* Fixed dissapearing selection decals around characters
* Fixed campaingn objectives points of interest appearing in generated mission maps
* minor fixes

Updated Linux version as well (still in testing)

* camera fixes
* optimalisation
* known bugs solved

Quick fix for medkit issue in tutorial mission.

Current version changelog

FIX Players unable to end second level of the second campaign properly
FIX Characters taking cover are now much harder to hit. Hiding behind a corner is safer then crouching behind a small obstacle
FIX Hit probability raised when shooting from very close distance
FIX Problems when switching in and out of the app in windowed mode when loading
FIX Difficulty modifiers tweaked resulting in game being little less difficult
FIX Several performance issues
FIX Several minor bug fixes
NEW Screen scrolls when pointer moves to its border
NEW Second campaign is now unlocked along with the first one after completing the boot camp
NEW Silencer upgrades available right after completing the boot camp

FIX: incorrect unlocking of the second campaign
FIX: incorrect placement of operators in Bridge to Hell mission