Gameplay:

Added the Royal Navy campaign.
Added the Implacable-class carrier, the S-class submersible, and the U-class submersible.
Player fleets under a move or patrol order may automatically send spotter planes out to scout.
Ship squadrons in a line formation now turn more efficiently.
Added a spotter loadout for the PBY Catalina.
Reduced the costs of the Flower and Bathurst classes.


Bug Fixes:

Ensured distant bombers will keep going towards target ships when their squadron leader is returning to their carrier.
Ships may always repair critical hit effects when docked in port, even if their engineering section is destroyed or uncrewed.


UI:
Added a button to the flight selection panel to automatically replace all flights on a ship or airfield with a more advanced equivalent, if any are available.
The B-24 Liberator sprite now displays correctly.