1. UI addition
    • "Remove all equip" button, available in the remodeling menu.
    • "Recall expedition" button, available in the expedition menu by clicking on the corresponding expedition to recall.
  2. One new Kai2 (no blueprints required)
  3. New ship
    • Submarine tender Taigei
      • Can be converted into the Light Aircraft Carrier Ryuuhou by using 1 blueprint
      • Drops from all Special Operation Maps and World 3+ Boss nodes S Rank (Unconfirmed, but she drops from 2-5, 5-2 and 5-4).
  4. New quests
    • Assemble the newly formed "2nd CarDiv"
    • Sortie the "2nd CarDiv"
    • Airplane type conversion
    • Assemble the "6th Sub Fleet"
    • Engage the Blue Waters Submarine Operation
    • Extended Blue Waters Submarine Operation
  5. New equipment
  6. New BGM
    • "Hiryuu's counterattack", available in map 2-4, 3-4, 4-4 and 5-2.
  7. Voice addition
    • Shouhou Kai received new supply, sortie and marriage lines.
  8. Bug fixes
    • Expedition menu now shows the fleet name
    • When sending out an Expedition the selected fleet flagship sortie line will play
    • Various Ranking display bug fixes
    • When modernizing luck the correct value will be displayed
    • Naka Kai resupply line changed
    • Haguro Kai2 marriage scene sprite fixed
  9. New expedition
    • Blue Waters Submarine Operation
      • This expedition requires a Submarine Tender, Taigei, and 4 Submarines
  10. Headquarters level cap increased to lv120
  11. Anti-torpedo Bulge (Medium) is now available via crafting
  12. Urakaze drop rate increased, availability extended to normal maps.
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