Here's the changelogs:

-Big performance improvements. (!!!)
-Fixed some animations.
-Fixed interactions distances.
-Fixed US helmets.
-Missions changes and fixes.
-Added game saves.
-Added statistics menu.
-Units can't fire from burning tanks.
-Changed walking and running speed.
-Improved M3 Grease Gun.
-Improved cursor action tollerance.
-Improved spawn manager.
-New cartoon effect (like loading sprite)
-New 30cal ammo box.
-New MG42 round magazine.
-New nearbie medic icon.
-New tiger texture.
-New mission.
-New credits menu.
-General fixes.

//Update 0.8.1 (12/12/17)
Sorry for the little bugs, they has been corrected.
-Fixed menu text "Alpha Version".
-You can now enter from tank's side.
-Improved ropes.
-Improved animations frame rate.
-Fixed cursor actions.
-Fixed house without colliders.
-Fixed mission objective marker.

-New voices. Thanks to:
Paul LePore
Fabian Van den Börg
JayPlaysOfficial