Merc Tactics 1.8.1 has been released today. This is a minor release, mainly fixing bugs.

Full screen mode:

• Full screen mode should now work on Macs with retina screen. There is no longer a full screen option for systems with large monitors, also the full screen option now only works in "windowed" mode, i.e., it is sized so the the OS task bar will be visible. 
• For systems with several monitors, the selection of monitors now works better.

Other bugs fixed:

• Sometimes furniture gets placed outside of building
• Prevent a hostage from being held in final boss scene and also in "stronghold" villages
• M203 can now be grouped in the inventory screen 
• Hospital should not have couryyard 
• The increase of Ben Dabi militia has been reduced in last phase of the game
• Soldiers without launchers no longer have 40mm grenades 
• The sound focus is now reset to the selected merc at start of turn
• Improve fire grenade launcher pose
• Improved some animation timings

Game saves remain compatible with previous version