- The M key may be used to toggle between the bridge and combat views when a fleet is selected.
- Increased the distance at which two fleets will initiate a battle.
- Increased submersible starting distance in combat.
- Increased enemy ships' detection bonus against player subs.
- Torpedoes are automatically spotted at extremely close range.
- Improved flight bombing AI when using reduced bombing payloads.
- Moved the Axis starting airfield to Cologne in new campaigns.
- Improved patrol behaviour of enemies in single-fleet mode.
- Prevented a case of an entirely submersible-vs-submersible combat starting.
- Fixed a bug where a normal campaign could not be started after starting a single-fleet campaign and returning to the menu.
- Added a display showing the total ammunition of a ship.
- Added colour-coding to the formation icons.
- Fixed an error with the Bearn-class carrier model.
- Flags rotate better according to the wind direction and the ship movement.
- Reduced fog density in clear weather.