- Added the TBM-3 Avenger variant, with the option to carry an ASW payload.
- Reduced accuracy penalties at extreme gun ranges.
- The enemy navy will build more submersibles, and fewer capital ships.
- Improved the spacing and layout of aircraft formations.
- Single carriers automatically move into the wind if the player is manually launching their planes.
- Adjusted dogfight strength for all aircraft classes.
- P-51 Mustangs can now only be added to airfields.
- The Boulton Paul Defiant is unlocked from the start of new campaigns.
- Improved attack behaviour for torpedo bomber squadrons.
- Improved dive bombing behaviour.
- Increased altitude variance during dogfights.
- Improved defensive fighter launch AI, and increased CAP intercept range.
- Reduced the chance for an undamaged ship to suffer a one-hit kill when torpedoed.
- Flight squadrons may be rebased with an order to land on a fleet or airfield.
- The player can regain resources when scrapping a ship or aircraft, based on unit's current health.
- Added a button to automatically fill an airfield or ship's empty flight slots.
- Allowed reordering the position of flight buttons on an airfield.
- Added a couple extra stats to the airfield stats display.
- Added a number selector to the shipyard commission popup.
- Added a flag and prefix selector to the ship rename popup.
- Fixed a bug that could prevent the combat screen from loading.
- Prevented fleets showing up twice in a shipyard's docked fleet list.
- Prevented flights appearing in the incorrect position after a combat.
- Fixed a bug where flights could linger indefinitely over a position.
- Make sure UI markers show up for enemy aircraft starting combat in the air.
- AA alerts centre the camera on the correct position.
- Carriers always turn into the correct wind direction.
- Made sure AI-launched plane flights appear in the squadron list.
- Carrier AI will no longer try and combine torpedo and non-torpedo bombers into the same squadron.
- Prevented a bug where an aircraft could remain in its crashing state indefinitely.
- Player can drag a flight button over another without the flight becoming lost.
- Ensured all aircraft models are visible in combat.
- The South Dakota and Iowa research projects may both be researched.
- The city upgrade cost tooltip shows the correct value after switching between cities.
- Fixed the stats and arcs of the Richelieu-class battleship's guns.
- Prevented the ship-based flight payload switch UI opening the airfield UI.
- Prevented crashing aircraft from opening the airfield UI.