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Steam News16 March 20263mo ago

Warships of the Pacific - Patch Notes, 1.17.5

Admirals! Tomorrow we release Warships of the Pacific and with it a big chunk of patch notes for everyone: 1.17.5.

In this update5

Full notes

Full Hearts of Iron IV update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

2 fixes9 additions22 changes2 removals
  • UI and audio
  • Balance
  • Gameplay
  • Events
  • Performance
changedUIImplemented a simple equipment category dropdown and reset button in the model selector of the division designer
changedUIUpdated equipment model sorting so that special projects are always are at the top
removedUIImplemented a more flexible pool priority system for equipment model sorting (and removed sorting cohorts)
addedUIAdded more functionality to control group management
changedUIThe Division Designer now uses the same model prioritization as on the map
changedUIThe model selector UI now fits 5 list entries instead of 3
All Puppets now get penalties to faction influence gain, ranging-10%-75%All Puppets now get penalties to faction influence gain, ranging decreased, nerf

Admirals!

Tomorrow we release Warships of the Pacific and with it a big chunk of patch notes for everyone: 1.17.5.

PDX_Gorion will bring you a nicer intro with more of our thoughts in tomorrow’s release post; for now enjoy the Patch Notes.

UI

  • Implemented a simple equipment category dropdown and reset button in the model selector of the division designer

  • Updated equipment model sorting so that special projects are always are at the top

  • Implemented a more flexible pool priority system for equipment model sorting (and removed sorting cohorts)

  • Added more functionality to control group management

  • The Division Designer now uses the same model prioritization as on the map

  • The model selector UI now fits 5 list entries instead of 3

Balance

  • Fixed an "airforce" typo and increased Lindberg's leader trait for air range to a more meaningful 5%, from 1%

  • Reduced the mastery gain debuff France gets from "Victors of the Great War" to -15%

  • Updated "Fund the Navy" focus to take 35 days instead

  • All Puppets now get penalties to faction influence gain, ranging from -10% to -75% depending on their type

Gameplay

  • Broke out Nevada and Tennessee Class ships from Pennsylvania Class in USA naval OOB. Created separate classes

  • USA: Carrier Primacy now gives Essex Class carrier when the tech is unlocked

  • USA: Convoy Tactics now gives Casablanca Class escort carrier design when the special project is unlocked

  • Japanese Carrier Submarine special project now creates I-400 design.

  • Added Leander and County class cruiser designs to Australia to reflect active designs.

  • Added Coastal Defense Ship tech to UK.

  • Added Erebus-class Monitor design to UK (based on Coastal Defense Ship hull).

  • Added HMS Erebus and HMS Terror to Britain's Reserve Fleet.

  • The state of Banat is now included in the option "All of Transylvania" in the Second Vienna Award event chain

  • Added starting paratrooper template to Japan

  • When a fleet decides to repair, it will favor dockyards with more repair slots more strongly now

  • Rebalanced faction influence gain from various sourcesIncreased for Warscore and Lend Lease, decreased for Scientists, also slightly increases passive initiative gain
  • Added British Monitors namelist for ships.

  • Added Erebus-class 1939 refit design for Britain's 1939 bookmark.

  • Changed "I-400 Class" name to the Japanese "Sentoku Class".

  • While in the model selector grid, it now shows thumbnails of models

  • Successfully imposing naval blockade should no longer restrict your access to trading through blockaded regions

Performance

  • Fixed issue where 'RepairNow' button spams pathfinding calculations

  • Made adjustments to how the game handles large lobbies to smooth out that experience.

AI

  • Tweaked German equipment production to better be in line with their templates, additionally improved decision making for: Convoy raiding, force concentration, and lend-leasing or selling equipment close to war breaking out

  • USAimproved the AI's naval templates and their prioritisation of which to produce
  • Japanese starting paratrooper template now has 3 paratroopers (instead of 2)

  • The Ma Cliques will now not do their mutual guarantees focus until the late game, and the SIK ai will now not become a Soviet puppet unless they fully control all their owned states

  • Update USA strategy so they fight better in the pacific

  • Belgium now correctly unlocks its "Division d'Infanterie" unit

  • Increased research weights causing various navy heavy countries to research more naval technologies

  • The AI now uses 'fund the navy' and will wait more with naval doctrine selection until it has the bonus active

  • The AI will now train

Source

Steam News / 16 March 2026

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