-Fixed an issue that AI Japan will sign 2nd London Treaty

v2.6.1

Update:
1. medium gun tech has been merged into light and heavy gun branches
2. ai fleet template update
3. 1940 hulls have been moved to 1939
4. tweaks on doctrines
5. old naval supply system is back, you can access supply from nearby harbors

v2.6 "Tarawa Thunder"

Notable Changes:
-Compatible with NCNS update.
-Rework all naval doctrines.
-Missile techtree is moved to naval armaments category.

Updates:
-Add some description popup banners to naval support technologies.
-Reduce sub detection from airplane launcher modules.
-Remove dependency on ap-bomb of dive bomber tech to avoid reliance on BBA.
-Tune Germany's AI logic to force its invasion of Norway.
-Italy's naval AI will try to gain control over mid-Mediterranean.
-AI's threshold to block sea region is increased.
-Reduce hit chance bonus from full screening efficiency.
-Speed up late capital ships a little bit.
-Tune stats of support ships to a reasonable level.
-Replace icons of support ship and repair ship.
-Rework some tech icons.
-Improve writing of some naval lores with Deepseek.

Fixes:
-Fixed some duplicate definitions in code.

v2.5 "Santa Cruz"

Notable Changes:
-New Special Project: Submarine Snorkel
-New Tech: Navigation Radio Range
-New Module: Snorkel Prototype, Light Gas Turbine, Cruiser Gas Turbine
-Reduce resorces cost on all ship hulls to a proper level.
-Add rules to unlock expert starting fleets of US, UK, and Japan, for AI.

Updates:
-Carrier night attack tech is replaced by the new tech.
-Remove gas turbine tech and heavy gas turbine module, light and cruiser gas turbines are unlocked with related coldwar techs.
-Remove escort carrier tech, it will get unlocked by researching 1940 carrier hull.
-Increase IC cost of small hangar.
-Balance reliability effects on some modules.
-Carrier strength deck is reclassified as a flight deck module.
-Balance speed modifiers on super heavy guns and engines.
-Seaplane launchers will reduce more speed.
-Increase cost of armored flight deck.
-Add a new critical part to battlecarrier.
-Balance HP bonus battleship gets from protection modules.
-Increase speed penalty from depth charges.
-Split small hangar and battlecarrier hangar into a standalone hangar category.
-Increase damage effects of some rare critical types.
-Increase hit chance effects (positive or negative) from all shell modules.
-Reduce research time of some gun techs.
-Update some expert AI ship templates.
-Slightly reduce US AI's tendency to massively spam dockyards.
-Reduce AI's tendency to deploy escort- and mine-related missions.
-Tune ship tonnage limits of treaty spirits.
-Buff damage reduction effects from AA.
-Improve writing of some rule descriptions to make them more informative.
-Rework category icons of ship guns.

Fixes:
-Fixed an issue that radar can't be successfully unlocked for AI in auto tech research mode.
-Fixed an issue that some country can't take certain navy focuses due to missing super heavy battleship project.
-Fixed an issue that merchant carrier is unbuildable with civilian materials.
-Fixed cruiser can have two shell modules.

-Fixed some Japan's focus unavailable due to missing special project

v2.4 "Ironbottom Sound"

Notable Changes:
-New Icons: Yamato (1965), Chen Hai, Andrea Doria (1926), Colbert (Missile Refit), Queen Elizabeth (1941)
-New Role: Escort Carrier
-Add decisions to enable expert AI in mid-game.
-Squad size of CV planes on land is reduced to 10 to help AI reinforce its carriers more quickly.
-Rework armor-piercing vs damage array to balance light guns' effects on heavy ships.
-Greatly increase rate of damaged citical parts when critical hits take place.
-Add a bunch of pictures to hover popups of naval techs.

Updates:
-Andrea Dorias are in active service now, and reverted back to WWI armaments to reflect their status in 1936.
-Cruiser Bolzano now uses tier-3 hull.
-Admiral Hipper class now owns extra armor module.
-Japan now starts with sonar.
-A new academy spirit for Russia.
-Lower organisation damage factor of CV planes.
-Delay between two air raids is reverted back to 3 hours.
-Rework bonus and penalty from experience and screen efficiency.
-Civilian material is mandatory on merchant carrier.
-Some carrier techs can also provide air breakthrough points.
-Minor country's naval production AI only checks fleet size instead of dockyards.
-Update AI buffs with dockyard building speed and design cost reduction.
-Radar and mast are made exclusive from each other.
-Add a destroyer output boost to AI to balance its multi-purpose destroyer design.
-Reduce cost of submarine hulls and pressure hull modules.
-Tune effects of some carrier modules.
-Airplane launcher brings visibility penalty.
-AI will update its tech when player is rushing naval techs when auto unlock mode is on.

Fixes:
-Revert xp gain factor from 0.1 to 0.8.
-Germany can have access to its WWI destroyer icons.
-Fixed some major countries can use naval development decisions.
-Fixed bunker cap not working.