v1.18 "Cape Matapan"

Notable Changes:
-Rework 2nd London Naval Conference mechanism.
-New modules: Anti-sub Helicopter, Early-warning Helicopter
-New special project: Early Informatization System
-New icons: Ben my Chree, Empire Faith, Otto Wünsche, Nisshin, Blue Ridge, Currituck

Updates:
-Add a new event about naval treaty.
-SHBB conversion carrier role now unlocks an extra hangar instead of directly providing capacity.
-SHBB carrier conversion decision is visible earlier.
-Super carrier and strike carrier get one more rear slot.
-Italy gets a special extra armor module for heavy cruiser Zara.
-Ordinary submarine now has access to fuel tank.
-Electronics and rocketry techs now have correct category to gain related bonus.
-Expert AI will put strength deck on super carrier.
-Radar jammer is limited to 1 on all hulls.
-Nerf effects of sub nuclear engine.
-AIP engine is more expensive now.
-Some colonies will use their masters' ship icons.
-Ship icon in production selector is larger now.
-Rebalance required resources of all ship hulls.
-Max damage reduction from anti-air is reduced to 60%.
-Max navy XP gain per day is reduced to 2.

Fixes:
-Advanced supply fleet idea now offers reduction in fuel consumption instead of attrition.
-Add an effect to apply shipyard output boost to newly spawned tag in game dynamically.
-Add missing ship names Anson and Howe to British historical BB name group.

-Fixed coldwar torpedo tech has no category

-Change effects of shbb conversion

v1.17 "Across Suez"

Notable Changes:
-New Modules: Converted Heavy Carrier Origins (BB, BC, SHBB)
-New Icons: Kuznetsov, Frunze, Charles Adams, Gyatt (DDG-1)

Updates:
-Remove mission zone limit, AI assigned naval region and efficiency will be limited instead.
-Reduce anti-air targeting from 1.0 to 0.93.
-Split shipyard output boost rule into two parts for player and AI, add an option of half bonus.
-Add icons of cold-war destroyer and cruiser to China.
-Add an icon of coastal defense ship to Yugoslavia.
-Increase xp cost of naval doctrines by 15-20.
-Buff naval airforce branch of air-sea operation doctrines.
-Nerf effects of underway replenishment, research time is faster in exchange.
-Move island-less design module to carrier miscellaneous slot.
-Balance missile count allowed on all hulls.
-Major naval powers now start with more naval auxiliary techs researched.
-Add a decision to unlock super heavy carrier conversion.
-Expert AI gets more xp from auto tech unlock mode.

Fixes:
-Fixed missing default name of cruiser submarine in ship designer.

-Fixed islandless design not available

-Fixed auxiliary ship's unit icon not available

v1.16 "The Art of Ships"

Notable Changes:
-New module: Carrier Island-less Design
-New ship icons: Colossus, Tiger, Ise (battlecarrier refit), A140, Hiyo, Unryu, Iowa (1991), Enterprise (CVN-65), Forrestal, Sumner (FRAM II), Alaska, Long Beach, Fargo
-Add topview of missile on all ship hulls with missile launching ability.

Updates:
-Reduce hit profile of heavy gun from 80 to 75, all-gun light cruiser is less effective against heavy ships.
-Super heavy hull icon is now available to heavy hulls.
-Late destroyer has access to airplane launcher and helipad.
-AI has a higher chance to build more shipyards.
-AI will prioritize light cruiser template in picking which cruiser to design.
-Sub torpedo launchers have higher visibility penalty and lower torpedo damage now.
-Improve expert light cruiser design.
-Nerf detection from airplane launcher.
-Increase HP and armor penalty from structural aluminum materials.
-Tune turret layout of Kongo.
-Improve the writing of some early techs' description.

Fixes:
-Fixed America's fleet submarine focus can't be taken due to lack of cruiser submarine project.
-Fix some typos and missing loc text.