v1.15.1

Notable Changes:
-New Special Projects: Strategic Strike Carrier, Arsenal Ship
-New Module: Super Armored Hangar, Surface Ballistic Missile Launcher, Surface Nuclear Ballistic Missile Launcher
-Add some unique reward choices in the process of naval projects.

Updates:
-Rework all icons of naval projects.
-Add resources cost to all naval projects.
-Allow AI to research some valuable projects.
-Reduce complexity of super heavy gun project.
-Reduce breakthrough cost needed to unlock nuclear torpedo, proximity fuze and super heavy gun.
-Greatly reduce research time of underway replenishment techs.
-Scharnhorst-class now starts with battleship armor and tier-2 engine.
-Wyoming-class starts with 6 turrets instead of 5.
-Reduce shipyards and enemy carrier needed to unlock carrier conversion decisions.
-Nuclear engine now depends on nuclear reactor special project instead of the tech.
-Add more visibility penalty to sub torpedo.
-Convoy transfer speed is now faster.
-Expert AI will put AIP engine on late submarine.

Fixes:
-Fixed sub airplane launcher category has no icon.
-Add a workaround fix to Japan and US so that they can pick certain focus without vanilla projects researched.
-Fixed midget sub's torpedo and engine slots are switched.

-fix some bugs

v1.15 "Trafalgar"

Notable Changes:
-Compatible with HOI4 1.15 update and new DLC.
-Special naval projects: Battlecarrier, Subcarrier, Nuclear Torpedo, VT Shell, Super Heavy Naval Gun, Underway Replenishment, Missile Submarine, Nuclear Missile Submarine.
-Rebalance all HP related issues about cruiser.
-New Role: Coastal Battleship

Updates:
-Reduce positioning bonus from detection.
-Lower base visibility of submarine, sub stealth modules are nerfed slightly.
-Rework all icons of armor processing technologies.
-New icon for steam catapult.
-New icon for coastal operation doctrine.
-Periscope tech now requires its parent variant as dependency.
-Add a decision to Germany to unlock WWI ship designs.
-Super carrier now uses model from new DLC.
-Modern battleship now uses model from new DLC.

Fixes:
-Add a hint in ocean liner's description about its usage.

-Fixed heavy guns are not allowed on rear 1 slot of panzerschiff

v1.14 "Sea of Stars"

Notable Changes:
-New hulls: Merchant Carrier, Ocean Liner (as another type of floating harbor).
-Add 15 naval officer corps spirits.

Updates:
-Reduce screen to capital ratio that achieves max screen efficiency from 3 to 2.
-Add decisions to convert ocean liners and merchantmen to carriers during war.
-Low positioning will cause more penalty.
-Coldwar light hull now gets an extra miscellaneous slot.
-Add naval_equipment tag to all naval technologies so that they can benefit from research bonus.
-German AI will produce more submarines before the war.
-Add starting naval spirits to USA, UK, Germany and Japan.
-Buff torpedo's accuracy.
-Basic torpedo starts with 5% screen penetration.
-Civilian materials for carrier gets a high dismantle IC cost.
-Coastal defense ship with ACR role can equip large cruiser armor now.
-German heavy ships now start with light-weight AP shell.
-Add an icon of US coastal defense ship.
-Replace the icon of convoy with a VNR-style one.

Fixes:
-Fixed N3 can't built due to wrong engine installed.
-Fixed critical parts of flight deck can be hit multiple times, though it's never triggered.

-Fixed some techs can't use naval tech speedup

v1.13 "Red Cliff"

Notable Changes:
-Add AI fleet management strategies during wartime to most major countries.
-Improve naval production AI.

Updates:
-Naval supremacy is reworked to depend on IC more than manpower.
-Battlecarrier is now counted as carrier solely.
-Increase supply consumption of all types of ships.
-Add supply consumption modifier on hangar modules.
-Add an effect to delete all navies in the world before loading VNR oobs.
-Add Soviet AI naval variants.
-Reduce speed of light diesel engines.
-Remove visibility penalty from super heavy armor, that of super heavy hull is increased.
-Disallow super heavy engines on carrier for balance.
-Reduce cost of anti-air cruiser role.
-Add an icon for Revenge class.
-Add icons for some South American coastal defense ships.
-Some tunes to ship designer UI.

Fixes:
-Fix large displacement of role icon in ship refit UI.
-Fix some typos.
-Fixed Germany's starting destroyers using a fictional destroyer icon.

-Fixed panzerschiff can't have heavy gun at rear 2 slot

v1.12 "Overlord"

Notable Changes:
-New tech: Wave resistance design, Electromagnetic signal regulation, Radar finder, Symmetric-key encryption, Luneburg lens, Close-in area air defense, Tactical data link
-New module: Radar direction finder, Ski-jump ramp
-Adjust cold war technology layout.

Updates:
-Allow super heavy engines and heavy armors on BB converted carrier.
-Panzerschiff can no longer equip 16in or bigger guns.
-Full missile layout has cost now, reliability of cold war hulls is reduced.
-Economical nuclear reactors now reduce cost by percentage.
-Reduce the cost of decoy launcher and rocket launcher.
-Super carrier tech is unlocked in 1948.
-Add diesel engines to some German cruisers.
-Add accurate icon to Zara class.
-Move nuclear engine techs to cold war cruiser branch.
-Add a decision to access allies data link.
-Tier-4 twin gun now has slightly greater impact on speed.
-Add an icon of light cruiser Atlanta.
-Add an icon of carrier Shinano.

Fixes:
-Fixed never built ships using light AA instead of heavy ones.
-Fixed full missile layout forcing to install secondary gun.
-Fixed escort carrier can equip economical nuclear reactor.
-Fixed missing DP gun on heavy ships' topviews.