1) Frontline mechanics added. Less micromanagement, more strategic planning.
2) A report appears after the battle.
3) New types of ground troops added.
4) New technologies and goods added.
5) When forming an army, the limitation on the number of battalions has been removed.
6) Fixed a bug due to which trade convoys did not appear.
Update 0.601 Frontline
Source: Steam Community (opens in a new tab)