- Added the single-fleet campaign mode.
- Added German, Spanish, French, Italian, Japanese, Portuguese, Russian, and Chinese localisation.
- Rebalanced the strength and accuracy of AA weapons.
- Increased gun accuracy at medium ranges, and reduced light/weather accuracy penalties for manually-targeted guns.
- Combats do not automatically end while live torpedoes are still in the water.
- Adjusted the torpedo tube counts of some submarine classes for historical accuracy.
- Adjusted the minimap zoom controls.
- Added a reframe button to centre the minimap between a focused enemy and the selected player unit.
- The selected ship's fired shells display on the minimap.
- Improved AI hunting behaviour when hostile ships and subs are not spotted in combat.
- Improved torpedo collision detection.
- Increased AI ships' torpedo avoidance.
- Flights within engagement range are included in combats.
- Reduced the chance of bomb payloads missing entirely in autoresolved air raids.
- AI fleets will keep capital ships escorted with ASW-capable ships.
- Clarified the autoresolve chance tooltip.
- Squadron members are not repositioned on splitting/merging squadrons in battle setup mode.
- The camera is centred directly on the target in combat.
- Static submersibles automatically start moving if manually steered.
- Depth charges can hit with reduced damage outside their main blast radius.
- Increased sonar detection chances on ships with engines off or in close proximity to an enemy submersible.
- Enemy submersibles start combat surfaced if they're already at critically-low oxygen or battery charge.
- Fixed a but where the minimap could show the wrong orientation in aircraft combats.
- The amphibious assault muster point UI displays correctly again.
- Fixed a bug where the fleet orders radial menu wouldn't show attack options for certain cruiser classes.
- Fixed camera rotation sometimes panning the minimap, or vice versa.
- Stopped the game entering a broken state on hitting escape during the cutscene at the end of combat.
- The Hunt-class turrets' description shows the correct number of guns.
- General visual engine improvements.
- Added a day/night cycle and music on the campaign map.
- Added and updated some tutorial videos.
- Moved the ship scrapping UI to the shipyard panel.