What changed in Hearts of Iron IV in 2026

524 updates · 82 main milestones · Jan 15, 2026 to Jun 12, 2026

  1. 2 events
    TaoG DLC icon now correctly shows ownershipbug fix

    The main menu icon for the TaoG DLC now lights up properly if the DLC is unlocked.

    Steam
    Fixed crash related to Army HQ in Spanish civil warbug fix

    Resolved a crash to desktop (CTD) when Army HQ units were destroyed in combat during a four-way civil war.

    Steam
  2. 13 events
    Thunder at Our Gates DLC Release Date Announceddlc releaseMilestone

    Thunder at Our Gates will release on June 11, featuring new content and nations.

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    Introduction of Ship Captainsnew contentMilestone

    The DLC adds Ship Captains and regimental support.

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    Major Mods Updated for Compatibilitymodding

    Several major mods have been updated or will be updated soon for compatibility with the new DLC.

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    Thunder at Our Gates DLC Release Date Announceddlc releaseMilestone

    The new Theater Pack, Thunder at Our Gates, will be released on June 11.

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    Division Designer Rework and Regimental Supportnew content

    These features will be available for free with the update.

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    New Nations Available in Thunder at Our Gatesnew contentMilestone

    Players can take control of Australia, Siam, or the Dutch East-Indies.

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    New Features in Thunder at Our Gatesnew contentMilestone

    Introduction of Army Headquarters and Ship Captains.

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    Division Designer Rework and Regimental Supportnew content

    These features will be available for free with the DLC.

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    Thunder At Our Gates DLC Launchdlc releaseMilestone

    The first Theater Pack DLC is now available, featuring new content for Australia, Siam, and Indonesia.

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    New Army HQ Feature Introducednew contentMilestone

    The DLC includes the new Army HQ gameplay feature.

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    New Nations Available in Thunder at Our Gatesnew contentMilestone

    Players can take control of Australia, Siam, or the Dutch East-Indies.

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    New Soundtrack for Thunder at Our Gatesaudio

    A brand new soundtrack has been released with the DLC.

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    New Features Introduced in Thunder at Our Gatesnew contentMilestone

    Includes Army Headquarters and Ship Captains.

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  3. 9 events
    Nationalist China Focus Time Reductionbalance change

    Reduced focus time from 70 days to 35 days for 21 focuses across various branches

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    New Achievement: 'Steiner!'gameplayMilestone

    As Germany, after June 22nd 1941, reach more than 30% surrender progress while at war with the Soviet Union, France, and England.

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    Reduced Supply Consumption for Carriers and Battleshipsbalance change

    Supply Consumption of Carriers reduced from 1.2 to 0.8, Battleships from 0.8 to 0.56

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    Changes to Submarine Visibility and Strengthbalance change

    Early Submarine Sub Visibility reduced from 25 to 22 and Strength increased from 10 to 15

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    Carrier Sortie Settings Adjustmentbalance change

    Carrier Sortie Settings now only apply to the first 24 hours of Naval Combat

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    Naval XP Gain Adjustmentsbalance change

    Set Naval XP Gain for various mission types to 0.2 and Strike force to 0.05

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    Increased Navy Mastery Gain for Missionsbalance change

    Navy Mastery gain for Strike force missions increased from 0 to 0.05, Convoy Raiding from 0.2 to 0.3

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    Reduced Naval Minimum Chance to Hitbalance change

    Naval Minimum Chance to Hit reduced from 2% to 0.5%

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    Naval Reform Spirit Adjustmentbalance change

    Naval Reform Spirit changed from +15% Naval Experience Gain to +10% Naval Mastery Gain

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  4. 7 events
    Democratic Path MechanicsgameplayMilestone

    New mechanics for the democratic path, including manipulation of military perceptions and civil war triggers.

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    Siam Focus Tree Introductionnew contentMilestone

    Introduction of a new focus tree for Siam, detailing its historical context and gameplay mechanics.

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    Khana Ratsadon Dynamicsgameplay

    Players must manage the relationship between the Civilian and Military cliques, affecting gameplay outcomes.

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    Monarchism ScenariogameplayMilestone

    New gameplay scenario involving the return of the exiled king and the complexities of ruling.

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    Industry Development PathsgameplayMilestone

    Introduction of two distinct industrial development paths, focusing on aggressive expansion or resilience.

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    Pan-Thaiism BranchgameplayMilestone

    New path allowing Siam to reclaim lost territories with a limited war mechanic.

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    Historical Fascism PathgameplayMilestone

    New gameplay mechanics allowing Siam to adopt fascism, including political power management and propaganda.

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  5. 11 events
    Power Balance Dynamicsnew contentMilestone

    Introduced mechanics for power balance between key characters in the communist path, affecting future alliances.

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    Political Chaos Eventsnew contentMilestone

    Implemented events representing political chaos in Indonesia, affecting stability and ideology support.

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    Underground Revolution Mechanicsnew contentMilestone

    Introduced mechanics for the Underground Revolution phase where players build a network of revolutionaries.

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    Laskar Rakyat Militia Systemnew contentMilestone

    Added mechanics for forming alliances with armed militia groups known as Laskar for manpower.

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    National Revolution Stagesnew contentMilestone

    Added three stages to the Indonesian revolution: Underground Revolution, Skirmishes/Rising Tension, and War.

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    Army and Navy Branch Focusesnew contentMilestone

    Introduced mutually exclusive focuses for the Indonesian army and navy branches, affecting manpower and naval capabilities.

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    Communist Path Mechanicsnew contentMilestone

    Added a communist path based on historical events and character dynamics within the Indonesian government.

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    Revolution Joint Focus Treenew contentMilestone

    Added a joint focus tree for the revolution, focusing on sabotage and alternative conflict resolutions.

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    Escalation System for Indonesianew contentMilestone

    Implemented a new escalation system for the Indonesian revolution, repurposing the Italian/Ethiopian system.

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    Unaligned and Democratic Pathsnew contentMilestone

    Introduced new paths for governance including Guided Democracy and a Democratic path with unique focuses.

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    Land and Marine Raidsnew contentMilestone

    Introduced Land and Marine Commando Raids for Indonesia to annex Dutch-controlled states.

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  6. 11 events
    Military Branch Integrationgameplay

    The military branch is now a joint focus tree with subbranches for navy, army, military industry, and air.

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    Princely States Mechanicgameplay

    Princely states will start as non-core states with high compliance and no resistance.

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    Resisting Occupation Branchgameplay

    New branch unlocked when Indonesia is invaded, allowing strategic decisions on defense.

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    Volksraad Decision Systemgameplay

    New decision system to represent the Volksraad, allowing attempts to pass laws for increased autonomy.

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    Joint Focus Trees with the NetherlandsgameplayMilestone

    Introduction of joint focus trees for Indonesia and the Netherlands, affecting political and military paths.

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    Changes to Dutch Focus Treebalance change

    Minor changes to the Dutch focus tree to accommodate the new joint focus tree.

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    National Spirit Limiting Resource Exportsgameplay

    Indonesia starts with a national spirit that limits resource exports, with focuses to reduce this limit.

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    Soetardjo Petition EventgameplayMilestone

    New event determining the political path of Indonesia based on the Soetardjo petition vote.

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    Introduction of the Dutch East Indiesnew contentMilestone

    New content representing the Dutch East Indies with unique mechanics and focus trees.

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    Seize the Opportunity Focusgameplay

    New focus allowing Indonesia to switch political branches if Japan is losing the war.

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    Resource Contracts Systemgameplay

    New system allowing Indonesia to lease resources to private companies to pay for civilian factories and weapons.

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  7. 22 events
    AI Dockyard Reservation for Repairai

    AI now reserves more dockyards for repair (thank you forum feedback).

    Steam
    CTD with Scientists in Late Gamebug fixMilestone

    CTD that could occur with scientists in late game.

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    Ship Strength Gain Bug Fixbug fixMilestone

    Fixed a bug where a ship would gain strength through doctrines, on reloading a save they would be damaged.

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    Updated UK and Generic Ship Templatesai

    Updated generic & UK's ship templates.

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    Raj Riches of the Raj Check Fixbug fixMilestone

    Fixed 'The riches of the Raj' to check for synthetic refineries as well.

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    Crash on SAM Mission in Naval Regionbug fixMilestone

    Crash that can occur when a SAM mission is set to a naval region.

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    Ignore Convoy Limit for Lend Leasegameplay

    Ignore convoy limit when sending convoys as a lend lease.

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    Crash on Mac in Peace Conferencesbug fixMilestone

    Crash that can occur on Mac in peace conferences.

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    Banqiao Dam Construction Movedbalance change

    Construct the Banqiao Dam moved earlier in the tree; The National Sun Yat-sen University takes its previous prerequisites.

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    Submarine Escape Progress Adjustmentbalance change

    Submarines now escape at 35% progress per day if they are hidden (previously 50%).

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    UK North Africa Port Build Upai

    UK builds up north africa port more if its needed to push to Tobruk.

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    Raj Acquire New Resources Fixbug fixMilestone

    Fixed 'Acquire new Resources' so it gives the resources to the correct state.

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    Updated USA Naval Templates and Strategyai

    Updated USA naval templates and strategy.

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    GPU Buffer Creation Fixbug fixMilestone

    Force creation of new GPU buffer by running the first map of the frame with DISCARD.

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    Lendlease UI Logic Improvementgameplay

    Lendlease has better UI logic and will default to maximum amounts that the receiver can handle with their convoys.

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    Naval Supply Tooltip Bug Fixbug fixMilestone

    Fixed a bug where a naval supply tooltip would show a much larger number of convoys required than was actually needed.

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    Raj Mixed Economy Resource Bug Fixbug fixMilestone

    Fixed 'Mixed Economy' giving resources on all owned states rather than starting states and added coal.

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    Nine-powers Treaty Event Triggergameplay

    An event will now be fired to all the signatories of the Nine-powers treaty when China gets attacked.

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    War Participation Count Bug Fixbug fixMilestone

    Fixed a bug where planes destroyed by other sources than air to air combat did not count towards war participation.

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    Nationalist China Focus Time Reductionbalance change

    Reduced focus time from 70 days to 35 days for 22 focuses across the Industry, Army, Air, Navy and Politics branches.

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    AI Repair Until Critical Damage Fixedai

    The AI will now repair until critical damage has been repaired (thank you forum feedback).

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    Emergency Convoy Demand Scaling Bugbug fixMilestone

    Fixed bug where emergency convoy demand would scale infinitely.

    Steam
  8. 54 events
    New Division Name Listsnew content

    Added two new division name lists: Rangers & State Defense Guard.

    Steam
    Fixed Polish MIO Visibility Issuesai

    Fixed broken allowed statements in Polish naval and tank MIOs making them show on every country when PFOT is disabled.

    Steam
    Czechoslovakia's Cores Preservationbug fix

    Czechoslovakia no longer loses cores on Slovakian and Ruthenian states with the historical event chain.

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    Cosmetic Tags Persistence After Reannexationbug fix

    Multiple cosmetic tags achieved after the autonomist path no longer disappear when reannexing Slovakia.

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    Radola Gajda Trait Updatebug fix

    Radola Gajda now has a Militarist trait.

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    Fixed Crash with Rocket Silo Missionsbug fixMilestone

    Fixed a crash that can occur when a rocket silo's 'Surface-to-Air' mission is set to a naval region.

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    Fixed Duplicate Idea Token for Slovak Navy Chiefsbug fix

    Fixed two Slovak navy chiefs having the same idea token.

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    Germany's Berlin-Moscow Axis Nudgeai

    Germany was given a stronger nudge to do the Berlin-Moscow Axis when faced with a strong Czech faction.

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    Color Change for Czechoslovakiagameplay

    Slight color change added to Czechoslovakia when starting monarchist or fascist branches.

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    Added Army Spirit Bonusesgameplay

    Added conscription/training & militia bonuses for the army spirit to some focuses.

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    Replaced USSR GFX Iconsother

    Removed all uses of USSR GFX CCP focus icons, replaced one on Industrial Relocation with a new icon.

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    Enhanced AI Event Considerationsai

    Added more detail to a bunch of AI event considerations.

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    Focus Cancellation Issue Fixedbug fix

    Fixed an issue which cancelled the focus 'Fortify the Crossroads' if Slovakia exists.

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    Unit Leaders Granted on Unification with Polandbug fix

    Unifying with Poland now grants their unit leaders.

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    Slovakia's Eastern Front Engagementai

    Slovakia is now more likely to fight on the Eastern Front when they are a German puppet.

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    Tooltips for Focus Targetsgameplay

    Added tooltips to focuses without targets to clarify their effects.

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    Fixed Typo in Hácha's Namebug fix

    Fixed typo in Hácha's name.

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    New Cosmetic Tag for Czechoslovakiagameplay

    Czechoslovakia now uses a new Pan-European cosmetic tag instead of the Balkan Union.

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    Tooltip for Land Demand Optiongameplay

    Added a tooltip for Hungary and Poland's land demand option when invited to a faction.

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    Flag Change for Bohemian Kingdomgameplay

    Changed the flag for the Bohemian Kingdom to still include Slovakia.

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    Buffed Monarchist Integration Ideabalance change

    Buffed the monarchist integration idea from -1 daily autonomy for Hungary to -2.

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    Hungary's Participation in Operation Barbarossaai

    Hungary is now more encouraged to take part in Operation Barbarossa.

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    Switched Focus Icons Based on Ideologyother

    Certain focus icons in the Czech tree will switch depending on ideology.

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    Removed BoP Modifier After Focus Completiongameplay

    Completing the 'Lessons of War' focus now removes the BoP modifier 'Threatening Neighbors'.

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    New Idea Art for Leveraged Sokolother

    New idea art for Leveraged Sokol.

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    Unique Cosmetic Tag for Czechoslovakianew content

    Czechoslovakia now gets a unique cosmetic tag called Great Moravia when using the Austria-Hungary reformation decision.

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    Czech Characters Exile Mechanicgameplay

    Certain Czech characters can now go into exile to other countries after specific conditions are met in the 'Fate of Czechoslovakia'.

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    Visual Flavor for Fascist Branchvisuals

    Added extra visual and focus effect flavor in the fascist branch.

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    Fixed Galicia's Default Capitalbug fix

    Fixed Galicia's default capital being incorrectly set in the Sudetenland.

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    New Cosmetic Tag for Integrated Communist Puppetsbug fix

    Added a new cosmetic tag for Czechoslovakia's integrated communist puppets.

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    Swapped Misplaced Victory Point Namesbug fix

    Swapped around two victory point names that were misplaced on the map.

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    Fixed Scope Mistakes in Special Projectbug fix

    Fixed multiple scope mistakes in the new special project.

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    Tweaked Advisor Balancebalance change

    Slightly tweaked the balance of a few advisors.

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    Polish MIOs for Czechoslovakianew content

    Two Polish MIOs (Naval and Tank) can now be gained by Czechoslovakia based on focus completion or core states.

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    Fixed Overlapping Communist and Democratic Pathsbug fix

    Fixed communist path overlapping with democratic paths under certain gamerule conditions.

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    Community Feedback on Localizationlocalization

    Integrated community feedback on localization for naming and usage of correct characters.

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    Fixed Visibility Conditions for Czech MIOsbug fix

    Fixed broken visibility conditions with some Czech MIOs for Germany and Poland.

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    Increased Chance for Germany's Raid on Czechoslovakiaai

    Increased the chance that Germany does its new raid on Czechoslovakia.

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    Fixed Industrial Concern Apollo Availabilitybug fix

    Fixed an issue where the Industrial Concern Apollo would become available unintentionally.

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    New Focus Iconsother

    New focus icons for various focuses including Compromise with the Veteran Agrarians and Powerhouse of Europe.

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    Fixed Crash on Mac During Peace Conferencesbug fixMilestone

    Fixed a crash that can occur on Mac during peace conferences.

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    Leader Replacement for Non-Aligned Puppetsbug fix

    Hlinka is now automatically replaced by Emil Hacha as leader for non-aligned puppets.

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    Kommisariat Böhmen-Mahren Assistanceai

    Kommisariat Böhmen-Mahren is now more likely to assist Germany in various ways.

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    Germany's Wargoal Adjustmentgameplay

    Germany can no longer start ‘Fate of Czechoslovakia’ if CZE owns the Sudetenland, receiving a wargoal instead.

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    Rebalanced Balance of Power Decisionsbalance change

    Reappearance times for some Balance of Power Decisions have been slightly rebalanced.

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    New Advisor Portraitsother

    New advisor portrait for navy chief František Placák and air chief Jaroslav Kejla.

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    Renamed Integrate Hungary Decisiongameplay

    'Integrate Hungary' is now renamed to 'Integrate Former Austrian Lands', allowing more puppets to gain the integration idea.

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    Removed Excess Army Leader Cost Reductionsbug fix

    Removed two army leader cost reductions to prevent excessive reductions in leader promotion costs.

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    New Flags for Central European Federationother

    New flags for CEF (Central European Federation) formable.

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    Fixed Skoda's Industry Company Focus Requirementbug fix

    Fixed an issue where Skoda's industry company required an extra focus after being upgraded.

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    Adjusted Requirements for Ready for Anything Decisiongameplay

    The requirements for the Ready for Anything decision to remove the BoP are now slightly more forgiving.

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    Germany's Historical Plan Cancellationai

    Germany's historical plan will cancel if the Czechs annex Austria.

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    Overhauled Late-Game Industry Ideasgameplay

    Late-game industry and Peace For Our Time branch ideas now use idea swaps to reduce displayed ideas.

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    Fixed Peru's Access to Czech Industrial Concernbug fix

    Fixed Peru having access to a Czech Industrial Concern.

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  9. 7 events
    Fascist Path MechanicsgameplayMilestone

    Players can rally for independence, sign pacts with Germany, and invest in Australian culture to gain citizen support.

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    Dalfram Dispute EventgameplayMilestone

    The Dalfram Dispute serves as a critical event leading to the rise of Communism and the collapse of the government.

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    Cabinet Trust Decision SystemgameplayMilestone

    A new decision system for fascist players to promote Australia First to ruling party following the Canberra Air Disaster.

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    Communist Path MechanicsgameplayMilestone

    Players can instigate strikes and nationalize industries while managing the rise of Communism in Australia.

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    Trade Union Infiltration SystemgameplayMilestone

    Allows players to target states to boost Communist support in exchange for Political Power and Stability.

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    Nationalization ProcessgameplayMilestone

    Players can nationalize industries and institutions, impacting the economy and political landscape.

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    Introduction of Australia First Movementnew contentMilestone

    Players can choose to lead the Australia First Movement with either P.R. Stephensen or Adela Pankhurst Walsh.

    Steam
  10. 21 events
    AI Troop Training Frequency Increasedai

    The AI will now train their troops more often

    Steam
    AI Patrol Logic Enhancedai

    Added logic to prevent the AI from assigning too many patrols to support naval invasion

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    Strike Force Target Stuck Bug Fixedbug fix

    Fixed a bug where a strike force sometimes gets stuck on an invalid target and stops working

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    Lend Lease Default Settings Adjustedgameplay

    Made lend lease default to max amount for 'once' and to 100% for 'percentage' modes

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    AI Homebase Selection Improvedai

    The AI will be a bit more sensical with picking a homebase for its standby fleet

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    RI Bolzano Ship Hull Correctionbug fix

    RI Bolzano in the 1939 OOB now uses the correct ship_hull_cruiser_2 (Bolzano Class)

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    Performance Fix for Large Naval BattlesperformanceMilestone

    Fixed performance in very large scale naval battles (1000+ ships)

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    AI Ship Training Logic Improvedai

    The AI will try to train their ships a bit more opportunistic

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    Supply Need Bug Fixed for Shipsbug fix

    Fixed a bug where ships were partially considered for supply need

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    DX11 Rendering Bug Fixedperformance

    Fixed a dx11 rendering bug

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    AI Objectives Respect Blocked Naval Regionsmodding

    AI objectives will respect blocked naval regions now and not consider them for naval mission assignment anymore

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    Snow Modifier Values Bug Fixedbug fix

    Fixed a bug where wrong snow modifier values were shown + fixed a bug where the leader snow adjuster didn't work as intended

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    Italian Naval Equipment Reworkedai

    Extensive rework of italian naval equipment

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    Carrier Airplane Deployment Crash Fixedbug fixMilestone

    Fixed a crash related to carrier airplanes being deployed

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    England Battleship Construction Bug Fixedai

    Fixed a bug where England could not build improved battleships

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    Removed Legacy Plane Techs for Minor Nationsbug fix

    Removed legacy plane techs from BBA-enabled starts for 36 minor nations

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    Convoy Raiders Combat Logic Fixedbug fix

    Convoy raiders won't join or reinforce a combat unless there are enemy convoys to shoot at

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    Snow Attack Penalty Tooltip Updatedbug fix

    Snow attack penalty is now shown on the move-arrow tooltip

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    Generic Taskforces Updatedai

    Updated generic taskforces so they are a bit more sensible

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    USA 1940 CV Construction Bug Fixedbug fix

    Fixed a bug where USA was unable to build 1940 CVs

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    Supply Tooltip Updatedgameplay

    Updated supply tooltip to show more careful where all supply is coming from

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  11. 9 events
    Navy Rebuilding Focusnew content

    Focus tree dedicated to rebuilding the Royal Australian Navy post-Great War.

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    New Expeditionary Leader TraitgameplayMilestone

    Introduced trait providing bonuses for fighting in non-core territory but limits command capacity.

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    Cabinet Trust Decision SystemgameplayMilestone

    Players can choose to let their government resign or weather the storm, impacting focus unlocks.

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    Revised Australian Content for 1936new contentMilestone

    Australia's historical path now includes new focus clusters and political dynamics reflecting the 1930s.

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    Populate or Perish Branch Addednew content

    New branch focusing on increasing population through immigration policies and welfare.

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    ANZAC Spirit Branchgameplay

    Focus granting a flat bonus to organization, reflecting the Australian national identity in war.

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    Eminent Successors Decisionquality of life

    Players can gain a timed advisor discount after losing advisors in the Canberra Air Disaster event.

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    Air Force Production Bonusesnew content

    Australia gains free military factories and production bonuses for its air force.

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    Playable Democratic Leaders Introducednew content

    New leaders Joseph Lyons, Robert Menzies, Billy Hughes, and Ben Chifley added to the game.

    Steam
  12. 11 events
    Strike Forces Combat Behavior Adjustedgameplay

    Strike forces will no longer join combats while en route to their intended targets.

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    Adjusted Naval Ranges and Costsbalance change

    Naval ranges and manpower costs for various ships have been adjusted for better balance.

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    Nerfed HMGs in Planesbalance change

    HMGs in planes have been nerfed slightly to balance air attack capabilities.

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    Reduced Resource Costs for Naval Modulesbalance change

    Resource costs for most naval modules have been removed to streamline ship building.

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    Improved Naval AI Decision Makingquality of lifeMilestone

    Naval AI now manages repairs and upgrades more efficiently, improving fleet responsiveness.

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    General Performance ImprovementsperformanceMilestone

    A significant amount of performance work has been completed to enhance game stability.

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    Submarine Visibility Adjustmentsbalance change

    Submarine visibility has been reduced, making them harder to detect in combat.

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    Reduced Supply Consumption for Various Shipsbalance change

    Supply consumption for Carriers, Battleships, Battlecruisers, and Heavy Cruisers has been reduced.

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    Carrier Fuel Consumption Reducedbalance change

    Fuel consumption for various types of carriers has been reduced to improve efficiency.

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    Fixed AI Lend Lease Logicbug fix

    AI will no longer accept excessively large lend leases that disrupt convoy building.

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    Increased Naval XP Gain for Specific Missionsbalance change

    Naval XP gain for Patrol, Convoy Raiding, and other missions increased to enhance gameplay.

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  13. 30 events
    Smaller Air Plants Focus Typo Fixedbug fix

    Fixed a typo in 'Smaller Air Plants' focus.

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    Japanese MIO Localization Correctionbug fix

    Corrected the localization for a Japanese MIO to use correct special text characters.

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    Czech Word Localization Correctionbug fix

    Correcting small mistake in what Czech word for 'Daddy' was used for Tatíček Masaryk.

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    Fixed Inverted AI Chance Blocks for Hungaryai

    Fixed some inverted ai_chance blocks when puppeting Hungary.

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    Rebalanced Slovakia Army Ideabalance change

    Rebalanced Slovakia Army Idea.

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    Focus Year Localization Correctionbug fix

    Corrected the year in the localization of a focus from 'Revert the 1926 Anti-Military Laws' to 1927.

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    Tatíček Masaryk Focus Localization Correctionbug fix

    Corrected the localization for the 'Tatíček Masaryk' focus and 'Ceské Slezsko' state name.

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    Granular AI Chance Modifiers for Czech Eventsai

    Add some more granular AI chance modifiers to a number of Czech events.

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    Adjusted German AI Transport Plane Productionai

    Adjusted German AI to produce enough transport planes.

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    Tooltip for Demand a Corridor Fixedbug fix

    Fixed the tooltip for the focus 'Demand a Corridor to the Soviets'.

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    Research Slots Issue in 1939 Bookmark Fixedbug fix

    Fixed an issue where the Protektorat Bohmen-Mahren could reach 7 research slots in the 1939 bookmark.

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    Duplicate Slovak Navy Chiefs Trait Issue Fixedbug fix

    Fixed an issue where two Slovak Navy Chiefs had the same Trait, used the same generic portrait, but had varying costs.

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    Skoda Inlay Window Overlap Issue Fixedbug fix

    The Skoda inlay window should no longer overlap with some focuses when going down a specific political branch.

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    Demand Katowice Event Option Text Fixedbug fix

    The event to demand Katowice from Poland now uses the correct option text.

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    Divided Nation Spirit Persistence Issue Fixedbug fix

    Fixed an issue where the 'Divided Nation' spirit would not disappear if the very last decision was interrupted.

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    Puppet Slovakia Cosmetic Tag Update Fixedbug fix

    Fixed an issue where puppet Slovakia changing overlord from CZE to GER would not correctly update their cosmetic tag.

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    New AI Strategy for Slovakiaai

    Added new AI strategy for Slovakia so they will help Germany with the Eastern front.

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    Poland's New Branch for Czech MIOsgameplay

    Poland now has a small branch that gives them access to Czech MIOs/Concerns.

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    Skoda Tank MIO Assignment Issue Fixedbug fix

    Fixed an issue where the Skoda tank MIO would by default be assigned to your Armored Car when creating a variant and producing it.

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    New Focus: Emergency Measuresgameplay

    Added a new focus to the Czech tree - 'Emergency Measures' which gives a new idea.

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    New Focus: Wielding the Hammergameplay

    Added a new focus to the Czech tree - 'Wielding the Hammer' which gives a new idea.

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    Achievement Unlock Issue Fixedbug fix

    The 'I Didn't Hear No Bell' achievement can now be unlocked after changing cosmetic tag.

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    Focus Icon Swap for CZE Political Branchesgameplay

    Swapped several focus icons from the CZE political communist branches that used mismatching art from the Soviet 2D art pack.

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    Czech Special Projects Modifiers Fixedbug fix

    Replaced modifiers for Czech special projects that were not working.

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    New Focus: Demand the Czech Corridorgameplay

    Added a new focus to the Czech tree - 'Demand the Czech Corridor' which allows Czechoslovakia to demand land from Austria.

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    Typos in Names and Descriptions Fixedbug fix

    Fixed several typos in names and descriptions.

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    Polish Czechoslovak Confederation Requirement Fixedbug fix

    'Realize the Polish Czechoslovak Confederation' now requires Poland to be at war with the same nations Czechoslovakia.

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    Bohemia Formable Color Changegameplay

    The Bohemia formable now uses a golden colour.

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    Fixed Hungarian Workers Oppression Bugbug fix

    Fixed a bug where 'End the Oppression of the Hungarian workers' required the wrong state (León, Spain instead of South Transdanubia, Hungary).

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    Completion Reward for Contacting Czech Legiongameplay

    Completing 'Contact the Czech and Slovak Legion' now gives a number of aces.

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  14. 12 events
    New Czechoslovakia Focus Treenew contentMilestone

    Includes Democratic, Communist, Monarchist, and Fascist paths with unique gameplay mechanics.

    Steam
    Adjustments to Czechoslovakia's National Spiritsbalance change

    Some of Czechoslovakia's national spirit modifiers have been adjusted and/or given additional modifiers.

    Steam
    New National Focus for Germanynew contentMilestone

    Integrate Czechoslovakia Equipment Designers into the Reich’s war machine.

    Steam
    Fascist Germany AI Behavior Adjustmentsai

    Fascist Germany AI is more likely to ally with the Soviet Union if faced with a strong Little Entente.

    Steam
    New Special Project to Destroy Fortsnew contentMilestone

    Players can now easily destroy forts with a new Special Project and related technology.

    Steam
    Unique Medals for Czechoslovakiagraphics

    Czechoslovakia now has unique medals.

    Steam
    Release of Peace For Our Time Focus Packdlc releaseMilestone

    Upcoming Focus Pack allowing players to change the course of Czechoslovakia's history, releasing on April 22, 2026.

    Steam
    New Music Tracks and 3D Unit Modelsnew content

    Added 2 new music tracks and 2 new 3D unit models.

    Steam
    Fix for Germany's Integration Eventbug fix

    The event sent by fascist Germany’s focus to integrate Czechoslovakia will no longer annex Czechoslovakia if refused.

    Steam
    New Slovak Generals and Country Leadersnew content

    Added new Slovak generals and country leaders with unique portraits.

    Steam
    Czechoslovakia's Political Advisors and Naval Commanderbalance change

    Czechoslovakia was given 4 new Political Advisors and 1 new Naval Commander.

    Steam
    New Focus: Healing a Divided Nationgameplay

    Czechoslovakia has a new focus in its democratic branch.

    Steam
  15. 52 events
    Italian infantry template updatedai

    Italian infantry template is now closer to the historical division setup.

    Steam
    Italy uses airforce more in Africaai

    Italy will use its airforce more in Africa and maintain a strong presence in North Africa.

    Steam
    Improved AI template update decision makingai

    Improved AI decision making around template updates.

    Steam
    Improved medium tank visibility in designerbug fix

    Improved medium tank for Germany now shows up as best match for improved medium tanks in the designer.

    Steam
    Fixed German submarines targetingai

    Fixed an issue where German submarines would target the entire world's regions.

    Steam
    USA & Japan prioritize chief of navy selectionai

    USA & Japan will now prioritize selecting a chief of navy.

    Steam
    Fixed Navy AI homebase calculationai

    Fixed an issue where AI would be inconsistent with calculating homebases for fleets.

    Steam
    AI won't offer single unit lend leasesai

    The AI won't offer lend leases of a single unit of equipment anymore.

    Steam
    Fixed crash after resyncing from OOSbug fix

    Fixed a crash that would occur after resyncing from an OOS when players are in observer mode.

    Steam
    Halved contribution from sunk IC to warscorebalance change

    Balanced warscore from ships, halved the contribution from sunk IC.

    Steam
    Fixed various division namesbug fix

    Fixed various division names with the incorrect numbering.

    Steam
    Reduced spy capture chancegameplay

    Reduced the capture chance of spies; they can now go into hiding for 28 days.

    Steam
    Train MIOs added to several nationsgameplay

    Added Train MIOs to ENG, FRA, BEL, USA, SOV, ITA, JAP, and GER.

    Steam
    Improved Germany's handling of MEFO billsai

    Improved Germany's ability to handle MEFO bills.

    Steam
    Fixed OOS due to character namesbug fix
    Steam
    Fixed bug locking out Soviet subtreebug fix

    Fixed a bug where you could be locked out of a Soviet subtree if Aleksey Rykov was dead.

    Steam
    Helicopter MIOs added to several nationsgameplay

    Added helicopter MIOs to BEL, USA, JAP, and GER.

    Steam
    Germany considers Berlin-Moscow Axis pathai

    Germany now considers going down the Berlin-Moscow Axis path if completely surrounded.

    Steam
    Updated stability checks error checkingmodding

    Updated the error checking for stability checks to verify the normalized range based on defines.

    Steam
    Fixed Latvia's civil war instigation bugbug fix

    Fixed a bug where Latvia was unable to instigate a civil war in Poland.

    Steam
    Improved USA's lend-lease capabilitiesai

    Improved USA's ability to provide lend-lease to the UK and Soviet Union.

    Steam
    Germany dedicates more troops to Operation Barbarossaai

    Germany now dedicates more troops to Operation Barbarossa and is less reckless.

    Steam
    Override models prioritized in division designerbug fix

    Override models from equipment are now prioritized higher in division designer.

    Steam
    AI optimizes factory buildingai

    The AI will take local construction speed into consideration for building factories.

    Steam
    Fixed Railway Gun models visibility issuebug fix

    Fixes an issue where Railway Gun models would sometimes not show up.

    Steam
    Fixed long range sea operations bonus bugbug fix

    Fixed a bug where you were able to get the long range sea operations bonus twice.

    Steam
    Fixed OOS without La Resistance DLCbug fix

    Fixed an OOS that would occur if a client did not have the La Resistance DLC.

    Steam
    Fixed co-op division template update issuebug fix

    Fixed an issue where, during co-op, players modifying divisions in the designer at the same time would not update the templates properly.

    Steam
    AI verifies special research facilities before buildingai

    Made AI verify that they don't have access to special research facilities before building another one.

    Steam
    Axis powers focus less air in Middle Eastai

    Axis powers won't focus much air in the Middle East as they prepare for Barbarossa.

    Steam
    New raid preparation featuregameplay

    Added a feature to 'shift + click' on a raid map icon to prepare a raid instantly.

    Steam
    Tweaked AI research prioritiesai

    Tweaked some of the AI research weights to change their priorities.

    Steam
    AI cancels bad naval blockade actionsai

    The AI will now try and cancel bad naval blockade actions.

    Steam
    Removed erroneous Pledge for alliesbug fix
    Steam
    Improved Italy's defense in North Africaai

    Italy is more competent in defending North Africa and its home lands.

    Steam
    Tweaked AI airforce movement weightsai

    Tweaked AI weights of moving their airforce around.

    Steam
    Threaten the princes now gives communist supportgameplay

    Threaten the princes now gives 10% communist support.

    Steam
    Fixed OOS during peace conference resolutionbug fix
    Steam
    Fixed bug with landlocked country volunteersbug fix

    Fixed a bug where volunteers from a landlocked country were unable to be resupplied.

    Steam
    Minimum taskforce engagement setting introducedgameplay

    Strike forces are no longer allowed to be set at no engagement.

    Steam
    Royal Indian revolt requirements changedgameplay

    Taking Royal Indian revolt now only requires >50% communist support.

    Steam
    New submarine detection formulagameplay

    Submarine detection now uses a new formula, ported from the open beta.

    Steam
    Adjusted faction contribution from war scorebalance change

    Changed faction contribution from war score from 0.125 to 0.1

    Steam
    Fixed England's convoy escort inefficiencyai

    Fixed England being wildly inefficient with convoy escort missions.

    Steam
    Germany aims for 'Service By Requirement' before Barbarossaai

    Germany will now aim to enact the 'Service By Requirement' Conscription Law before starting Operation Barbarossa.

    Steam
    Default maximum equipment selection for sellinggameplay

    Selling equipment on the international market will now select the maximum amount available by default.

    Steam
    Fixed rare CTD from factions race conditionbug fix
    Steam
    Fixed frequent OOS when hot-joiningbug fix
    Steam
    Added support for pp_spend_prioritymodding

    Added the ability to add support for pp_spend_priority to target advisors.

    Steam
    Improved UK defense in Egyptai

    Made United Kingdom more competent at defending Egypt and attacking Tripoli & Iraq.

    Steam
    Fixed wrongly applied ship classes in Japanbug fix

    Fixed some wrongly applied ship classes and missing ones from the 1936 and 1939 Japan naval OOB.

    Steam
    Fixed rare crash related to volunteersbug fix

    Fixed a rare crash related to volunteers in transfer to a country when their civil war ended.

    Steam
  16. 8 events
    Slovak–Hungarian War Representationnew content

    Players can initiate a border war with Slovakia while playing Hungary under specific conditions.

    Steam
    German Focus on Czechoslovak Industrynew content

    Germany gains a focus to integrate Czechoslovak manufacturers into their industry for DLC owners.

    Steam
    Army Readiness Balance of Power Mechanicnew content

    Introduces a new mechanic representing the Czech army's readiness during the Sudetenland crisis.

    Steam
    New Train-Based MIO/Concernsnew content

    Six new Train MIO/Concerns available for all starting majors, free of charge.

    Steam
    New Music Tracksnew content

    Two new music tracks added to the DLC, enhancing the audio experience.

    Steam
    New Achievementsnew content

    Several new achievements added with the DLC, focusing on various gameplay scenarios.

    Steam
    Special Project on German Rӧchling Shellnew content

    New special project and technology related to artillery for DLC owners.

    Steam
    Weapons Sales Focusesnew content

    New focuses that affect weapons sales, adapting for players with and without the Arms Against Tyranny DLC.

    Steam
  17. 40 events
    Naval Minelaying and Minesweeping Stats Display Adjustmentui ux

    Naval Minelaying and Naval Minesweeping Stats are no longer displayed on the Ship Card if their value is 0.

    Steam
    Long Range Submarines Sub-doctrine Improved Dive Protocolsbalance change

    Long Range Submarines Sub-doctrine 'Improved Dive Protocols' reward now also reduces Surface Visibility of the Nuclear Submarines by 5%.

    Steam
    Submarine Nuclear Engine Visibility Reductionbalance change

    Submarine Nuclear Engine - Now reduces the Submarine Visibility by -15% and increased Naval Speed from +10% to +20%.

    Steam
    Heavy Ship Engine II Production Cost Reducedbalance change

    Heavy Ship Engine II - Production Cost reduced from +20% to +15% and increased Fuel Consumption from 25 to 28.

    Steam
    Cruiser Ship Engine III Production Cost Reducedbalance change

    Cruiser Ship Engine III - Production Cost reduced from +20% to +17.5%.

    Steam
    Carrier Ship Engine I Naval Speed Reducedbalance change

    Carrier Ship Engine I - Naval Speed reduced from +30% to +25% and increased Fuel Consumption from 12 to 16.

    Steam
    Naval Dominance Factor for Advanced Destroyers Increasedbalance change

    Naval Dominance Factor for Advanced Destroyers increased from 40 to 42.

    Steam
    Cruiser Ship Engine I Production Cost Reducedbalance change

    Cruiser Ship Engine I - Production Cost reduced from +15% to +12.5% and increased Naval Speed from +20% to +25%.

    Steam
    Naval Sub-doctrine Coastal Mine-laying Changesbalance change

    Naval Sub-doctrine Coastal Mine-laying 'Clearing Procedures' reward no longer applies bonus to mine sweeping to the Submarines, instead the effect on Destroyers have been increased from +20% to +25%.

    Steam
    Escort Carrier Hull Fuel Consumption Reducedbalance change

    Escort Carrier Ship Hull Fuel Consumption reduced from 87 to 50.

    Steam
    Carrier Stance Settings Adjustmentbug fix

    Carrier Stance Settings should apply now to the first 24 hours of the Naval Combat, and not based upon each Carrier joining the Naval Combat.

    Steam
    Heavy Ship Engine III Production Cost Reducedbalance change

    Heavy Ship Engine III - Production Cost reduced from +22.5% to +17.5% and increased Fuel Consumption from 30 to 34.

    Steam
    Improved Carrier Ship Naval Dominance Factor Increasedbalance change

    Improved Carrier Ship Hull Naval Dominance Factor increased from 300 to 325.

    Steam
    Carrier Ship Engine IV Naval Speed Reducedbalance change

    Carrier Ship Engine IV - Naval Speed reduced from +60% to +55% and increased Fuel Consumption from 24 to 40.

    Steam
    Converted Battleship Hull Fuel Consumption Reducedbalance change

    Converted Battleship, Basic, Improved and Advanced Carrier Ship Hull Fuel Consumption reduced from 87 to 70.

    Steam
    Carrier Ship Engine II Naval Speed Reducedbalance change

    Carrier Ship Engine II - Naval Speed reduced from +40% to +35% and increased Fuel Consumption from 16 to 24.

    Steam
    Support Ship and Repair Ship Max Strength Increasedbalance change

    Support Ship and Repair Ship Max Strength increased from 25 to 30 and Range was increased from 3000 to 3500.

    Steam
    Modern Heavy Ship Hull Fuel Consumption Reducedbalance change

    Modern Heavy Ship Hull Fuel Consumption reduced from 80 to 72.

    Steam
    Submarine Ship Engine II Visibility Reductionbalance change

    Submarine Ship Engine II - Now reduces the Submarine Visibility by -3.5%.

    Steam
    Cruiser Ship Engine II Production Cost Reducedbalance change

    Cruiser Ship Engine II - Production Cost reduced from +17.5% to +15%.

    Steam
    Submarine Ship Engine IV Production Cost Reducedbalance change

    Submarine Ship Engine IV - Production Cost reduced from +20% to +17.5%.

    Steam
    Long Range Submarines Sub-doctrine Support the Surfacebalance change

    Long Range Submarines Sub-doctrine 'Support the Surface' reward now also apply +10% bonus to the Torpedo Attack and Naval Speed to the Nuclear Submarines.

    Steam
    Long Range Submarines Sub-doctrine Changesbalance change

    Long Range Submarines Sub-doctrine 'Ocean Patrols' reward now also apply +10% bonus to the surface detection to the Nuclear Submarines.

    Steam
    Super Heavy Ship Hull Fuel Consumption Reducedbalance change

    Super Heavy Ship Hull Fuel Consumption reduced from 75 to 68.

    Steam
    Ship Designer Hit Profile Displayui ux

    Ship Designer as well as the Ship Card will now display Hit Profile ‘stat’, which when hovered upon will state what is the ‘Unmodified’ chance to be hit by the respectable Attack Types.

    Steam
    Cruiser Ship Engine IV Production Cost Reducedbalance change

    Cruiser Ship Engine IV - Production Cost reduced from +22.5% to +20%.

    Steam
    Ice Carrier Hull Fuel Consumption Reducedbalance change

    Ice Carrier Ship Hull Fuel Consumption reduced from 95 to 90.

    Steam
    Support Ships and Improved Support Ships Changesbalance change

    Support Ships and Improved Support Ships no longer have 1 Sub Detection and 1 Depth Charges.

    Steam
    Submarine Ship Engine III Visibility Reduction Increasedbalance change

    Submarine Ship Engine III - Submarine Visibility Reduction increased from -5% to -7% and reduced Fuel Consumption from 10 to 9.

    Steam
    Screening Efficiency Effects Adjustmentbug fix

    Screening Efficiency Effects are now applied based on the Efficiency Value, instead of being applied at full effect as long as you had > 0% Screening.

    Steam
    Early Heavy Ship Naval Dominance Factor Increasedbalance change

    Early Heavy Ship Naval Dominance Factor increased from 300 to 325.

    Steam
    Light Ship Engine III Fuel Consumption Loweredbalance change

    Light Ship Engine III - Fuel Consumption lowered from 10 to 9.

    Steam
    Converted Cruiser Hull Fuel Consumption Reducedbalance change

    Converted Cruiser Ship Hull Fuel Consumption reduced from 87 to 60.

    Steam
    Coastal Defense Ship Max Strength Increasedbalance change

    Coastal Defense Ship Max Strength (HP) increased from 100 to 110.

    Steam
    Heavy Ship Hull Fuel Consumption Reducedbalance change

    Early, Basic, Improved, Advanced Heavy Ship Hull Fuel Consumption reduced from 67 to 60.

    Steam
    Modern Carrier Hull Fuel Consumption Reducedbalance change

    Modern Carrier Ship Hull Fuel Consumption reduced from 90 to 72.

    Steam
    Improved Support Ship and Improved Repair Ship Range Increasedbalance change

    Improved Support Ship and Improved Repair Ship Range was increased from 4000 to 5000.

    Steam
    Heavy Ship Engine IV Production Cost Reducedbalance change

    Heavy Ship Engine IV - Production Cost reduced from +25% to +20% and increased Fuel Consumption from 35 to 40.

    Steam
    Carrier Ship Engine III Naval Speed Reducedbalance change

    Carrier Ship Engine III - Naval Speed reduced from +50% to +45% and increased Fuel Consumption from 20 to 32.

    Steam
    Heavy Ship Engine I Production Cost Reducedbalance change

    Heavy Ship Engine I - Production Cost reduced from +17.5% to +12.5%, increased Naval Speed from +20% to +25% and increased Fuel Consumption from 20 to 22.

    Steam
  18. 9 events
    Navy Rebalancing in Open Betabalance change

    Changes to submarine visibility being tested in the open beta.

    Steam
    AI Improvements in Upcoming Patchai

    Continuing improvements to AI as part of the free patch with Peace for our Time.

    Steam
    Bug Fixes Included in Free Patchbug fix

    Various bug fixes to be included in the upcoming free patch.

    Steam
    Click Reduction Tech Implementationquality of life

    New features to reduce unnecessary clicks in gameplay.

    Steam
    Extra Achievements for Anniversary Considerednew content

    Potential implementation of new achievements for the anniversary.

    Steam
    Performance Improvements in Free Patchperformance

    Enhancements to game performance included in the upcoming free patch.

    Steam
    Warships of the Pacific Cosmetic Pack Releasednew content
    Steam
    10-Year Anniversary Celebration Plannedseasonal eventMilestone

    Celebration planned for June 6th to mark the 10-Year Anniversary of Hearts of Iron IV.

    Steam
    Upcoming Release of Peace for our Timenew contentMilestone

    New content planned for release soon, including a focus pack.

    Steam
  19. 9 events
    Submarine Revealed Timeout Reducedbalance change

    SUBMARINE_REVEALED_TIMEOUT reduced from 16 to 12 hours.

    Steam
    Resource Cost Changes for Naval Modulesbalance change

    Removed resource costs from most naval modules and adjusted specific armor schemes.

    Steam
    Submarine Visibility Changesbalance changeMilestone

    Visibility adjustments for submarines based on positioning and shallow waters.

    Steam
    Submarine Hide Timeout Reducedbalance change

    SUBMARINE_HIDE_TIMEOUT reduced from 20 to 8 hours.

    Steam
    Tooltip Update for Sea Zone Dominanceui ux

    Tooltip updated to indicate that the control ratio required for dominance in a sea zone is now 60%.

    Steam
    Submarine Detection Formula Tweakedbalance changeMilestone

    Adjusted various submarine detection parameters to reduce detection rates.

    Steam
    Supply Consumption Changes for Naval Unitsbalance changeMilestone

    Adjusted supply consumption for various naval units.

    Steam
    Naval Range Adjustments for Destroyers and Cruisersbalance changeMilestone

    Increased naval range for several destroyer types and adjusted manpower costs.

    Steam
    Naval Reform Spirit Adjustmentbalance change

    Naval Reform Spirit changed from +15% Naval Experience Gain to +10% Naval Mastery Gain.

    Steam
  20. 19 events
    Ice Carrier Ship Hull steel cost reductionbalance change

    Steel cost reduced from 10 to 8.

    Steam
    Naval range adjustments for destroyers and cruisersbalance change

    Increased naval range for early and basic destroyers, and adjusted service manpower for various ship types.

    Steam
    Reworked submarine detection formulabalance change

    Adjusted the formula for submarine detection to improve balance and reduce submarine losses.

    Steam
    Modern Carrier Ship Hull steel cost reductionbalance change

    Steel cost reduced from 8 to 6.

    Steam
    Reduced minimum naval hit chancebalance change

    Minimum naval hit chance decreased from 2% to 0.5% to reduce lethality of naval combat.

    Steam
    Improved Cruiser Hull chromium cost reductionbalance change

    Chromium cost reduced from 1 to 0.

    Steam
    Modern Heavy Ship Hull steel and chromium cost reductionbalance change

    Steel cost reduced from 6 to 5 and chromium cost reduced from 4 to 2.

    Steam
    Improved Carrier Ship Hull steel cost reductionbalance change

    Steel cost reduced from 6 to 5.

    Steam
    Coastal Defence Ship surface visibility reductionbalance change

    Reduced surface visibility from 18 to 16.

    Steam
    Panzerschiff hull IC cost reductionbalance change

    Reduced hull IC cost from 3000 IC to 2800 IC.

    Steam
    Basic Carrier Ship Hull resource cost reductionbalance change

    Reduced resource cost from 5 Steel + 1 Chromium to 4 Steel + 1 Chromium.

    Steam
    Advanced Heavy Ship Hull steel cost reductionbalance change

    Steel cost reduced from 5 to 4.

    Steam
    Updated tooltip for sea zone dominanceui ux

    Tooltip updated to indicate that the control ratio required for dominance in a sea zone is now 60% (was 66%).

    Steam
    Basic Heavy Ship Hull steel cost reductionbalance change

    Steel cost reduced from 4 to 3.

    Steam
    Naval supply consumption adjustmentsbalance change

    Adjusted supply consumption for various ship types to reduce overall naval effectiveness.

    Steam
    Basic Cruiser Hull steel cost reductionbalance change

    Steel cost reduced from 3 to 2.

    Steam
    Super Heavy Ship Hull chromium cost reductionbalance change

    Chromium cost reduced from 3 to 2.

    Steam
    Advanced Carrier Ship Hull steel cost reductionbalance change

    Steel cost reduced from 7 to 6.

    Steam
    Advanced Cruiser Hull steel cost reductionbalance change

    Steel cost reduced from 4 to 3.

    Steam
  21. 4 events
    Missing Tank Pools Addedbug fix

    Added several missing tank pools for various tank models so they show up correctly

    Steam
    Debug 3D Model Issue Fixedbug fix

    Fixed an issue where a debug 3D model would show after disabling equipment in the division designer

    Steam
    Division Template Update Bug Fixedbug fix

    Fixed a bug where AI or other players updating division templates would be affecting your template updates (UI only)

    Steam
    Single Support Model Display Issue Fixedbug fix

    Fixed issue causing only a single support model to be shown in division designer

    Steam
  22. 3 events
    Scriptable Groupings for Filtersmodding

    Modders can create custom filters for country selection based on various criteria.

    Steam
    Introduction of Filters in Country Selection Screenui ux

    New filters will help players find countries more easily and recommend unplayed content.

    Steam
    Highlighting Updated Country Contentquality of life

    Implementation of a system to track and flag countries with updated content based on player history.

    Steam
  23. 5 events
    Increased Naval Range for Early and Basic Destroyersbalance change

    Naval range for Early Destroyer increased from 1500 km to 2000 km and Basic Destroyer from 1800 km to 2500 km.

    Steam
    Updated Tooltip for Sea Zone Control Ratioui ux

    Tooltip updated to indicate that the control ratio required for dominance in a sea zone is now 60% (was 66%).

    Steam
    Adjusted Supply Consumption for Naval Unitsbalance change

    Reduced supply consumption for various naval units including Carriers, Battleships, and Cruisers.

    Steam
    Reduced Service Manpower Requirements for Various Naval Unitsbalance change

    Service manpower requirements reduced for several naval units, easing entry for countries with limited manpower.

    Steam
    Resource Cost Changes for Naval Modulesbalance change

    Removed resource costs from most naval modules, adjusting overall resource costs for ship production.

    Steam
  24. 2 events
    M24 Chaffee Model Display Issue Resolvedbug fix

    Fixed an issue where the M24 Chaffee (USA) model shows up first in the list for Great War tanks if you have NSB disabled.

    Steam
    Fix for Incorrect Infantry Model Orderingbug fix

    Fixed incorrect ordering of some infantry models which caused some nations to display the generic 3D model.

    Steam
  25. 16 events
    Improved German Equipment Productionai

    Tweaked German equipment production to better align with their templates.

    Steam
    30 New 3D Models for Naval Vesselsnew contentMilestone

    Added 30 new 3D models for Naval vessels for USA, Japan, The Commonwealth, The Soviet Union, and the PRC.

    Steam
    Reduced France's Mastery Gain Debuffbalance change

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

    Steam
    Improved Equipment Model Sortingui ux

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

    Steam
    Fixed Scavenged Equipment Uniform Issuebug fix

    Fixed an issue where scavenged equipment caused infantry to wear uniform from another country.

    Steam
    Added Essex Class Carrier for USAgameplay

    Carrier Primacy now gives Essex Class carrier when the tech is unlocked.

    Steam
    Fixed 'RepairNow' Button Pathfinding Issueperformance

    Fixed issue where 'RepairNow' button spams pathfinding calculations.

    Steam
    Fixed Floating Geometry on Big Bob Tankbug fix

    Fixed floating geometry on the Big Bob super heavy tank for New Zealand.

    Steam
    30 New 2D Icons for Naval Modelsnew contentMilestone

    Added 30 2D icons corresponding to the new 3D models.

    Steam
    Increased Lindberg's Leader Trait for Air Rangebalance change

    Increased Lindberg's leader trait for air range to a more meaningful 5%, from 1%.

    Steam
    Warships of the Pacific Cosmetic Pack Announcementdlc releaseMilestone

    New Cosmetic Pack featuring unit art for various seafaring vessels, including destroyers and battleships.

    Steam
    Separated Nevada and Tennessee Class Shipsgameplay

    Broke out Nevada and Tennessee Class ships from Pennsylvania Class in USA naval OOB.

    Steam
    New SFX, VFX, and Animations for Ship Modelsnew content

    Added new sound effects, visual effects, and animations for specific ship models.

    Steam
    Fixed Decision Timers Not Progressingbug fix

    Fixed decision timers not progressing.

    Steam
    Fixed Incorrect Naming of Japanese Missile Submarinebug fix

    Japanese Missile Submarine special project is now correctly named.

    Steam
    Updated Model Selector UIui ux

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

    Steam
  26. 71 events
    Implemented flexible pool priority system for equipment model sortingui ux
    Steam
    Tweaked scaling requirements for 'Develop Joint Research Practices'bug fix

    To improve understanding and completion speed

    Steam
    Added starting paratrooper template to Japangameplay
    Steam
    Fixed submarine detection chance calculation issuebug fix
    Steam
    Fixed decision timers not progressingbug fix
    Steam
    Fixed various typos and writing issuesbug fix
    Steam
    Improved USA's naval templates and production prioritizationai
    Steam
    Japanese starting paratrooper template updatedai

    Now has 3 paratroopers instead of 2

    Steam
    Tweaked German equipment production alignmentai

    Improved decision making for convoy raiding and force concentration

    Steam
    USA Convoy Tactics now grants Casablanca Class escort carrier designgameplay

    When the special project is unlocked

    Steam
    Fixed issue with Khotan Ma advisors availabilitybug fix

    When forming China

    Steam
    Fixed Belgian advisor and Italian national spirits intel modifier issuebug fix
    Steam
    USA Carrier Primacy now grants Essex Class carriergameplay

    When the tech is unlocked

    Steam
    Fixed Maphilindo flag displaying upside downbug fix
    Steam
    Belgium now correctly unlocks 'Division d'Infanterie' unitai
    Steam
    Fixed tank scale for BfB and similar tanks in other DLCsbug fix
    Steam
    Fixed auto repeat spy operations persistence issuebug fix
    Steam
    Increased Lindberg's air range leader traitbalance change

    Increased from 1% to 5%

    Steam
    Added Leander and County class cruiser designs to Australiagameplay
    Steam
    Updated localization of British infantry weaponsbug fix

    To use correct whitespace

    Steam
    Added HMS Erebus and HMS Terror to Britain's Reserve Fleetgameplay
    Steam
    Changed icon for USA jet strategic and tactical bombersbug fix

    To fix errors without prototype vehicles pack

    Steam
    Puppets receive penalties to faction influence gainbalance change

    Ranging from -10% to -75% depending on type

    Steam
    Added Erebus-class Monitor design to UKgameplay

    Based on Coastal Defense Ship hull

    Steam
    Fleets favor dockyards with more repair slotsgameplay

    When deciding to repair

    Steam
    Added support for SubUnitDefinition-based equipment poolsmodding

    For icons

    Steam
    Updated USA strategy for better Pacific combatai
    Steam
    Updated equipment model sorting for special projectsui ux
    Steam
    Added British Monitors namelist for shipsgameplay
    Steam
    Fixed issue with Warlords focus taking despite country no longer existingbug fix
    Steam
    Model selector grid now shows thumbnails of modelsgameplay
    Steam
    Separated Nevada and Tennessee Class ships from Pennsylvania Classgameplay
    Steam
    Implemented equipment category dropdown in division designerui ux
    Steam
    Adjusted handling of large lobbiesperformance

    To smooth out the experience

    Steam
    Fixed issue with models showing up or missingbug fix
    Steam
    Fixed typo in AST focus treebug fix

    Changed 'Habsbugs' to 'Habsburgs'

    Steam
    Fixed 'RepairNow' button spamming pathfinding calculationsperformance
    Steam
    Updated 'Fund the Navy' focus durationbalance change

    Now takes 35 days

    Steam
    Fixed Sinkiang puppet control issue locking Soviets out of Gobi Gambit focusbug fix
    Steam
    Fixed Grand Banzai Charge tactic enabling prematurelybug fix

    For Japan

    Steam
    Added Erebus-class 1939 refit design for Britain's 1939 bookmarkgameplay
    Steam
    Fixed floating geometry on Big Bob super heavy tankbug fix

    For New Zealand

    Steam
    Implemented support for sending chains of console commandsmodding

    Using '&&'

    Steam
    Fixed focus Grow the Empire availability issuebug fix

    If states controlled by puppet Congo

    Steam
    Tweaked AI research weights for Fire Control Methodsai
    Steam
    Fixed issue with Spanish general Enrique Líster's sympathiesbug fix

    If Spain completed The Popular Front focus

    Steam
    Rebalanced faction influence gain from various sourcesgameplay

    Increased for Warscore and Lend Lease, decreased for Scientists

    Steam
    Banat included in 'All of Transylvania' optiongameplay

    In the Second Vienna Award event chain

    Steam
    AI now uses 'Fund the Navy' focus correctlyai
    Steam
    Fixed timing issues with decisionsbug fix
    Steam
    Fixed Guión Rojo spirit not providing manpowerbug fix

    For Paraguay

    Steam
    Fixed 'Zuikaku' name issue from Japanese focusbug fix

    Incorrectly called 'Zaikaku'

    Steam
    Added Coastal Defense Ship tech to UKgameplay
    Steam
    Ma Cliques mutual guarantees focus timing adjustedai

    Will not do until late game

    Steam
    Fixed potential crash when removing division templatebug fix

    While exiled divisions are in transfer

    Steam
    Naval blockade no longer restricts trading accessgameplay

    When successfully imposing a blockade

    Steam
    Fixed issue with scavenged equipment causing uniform mix-upbug fix
    Steam
    Show icon weights in icon selector for debuggingmodding
    Steam
    Added triggers to 'Coalition of Liberty' faction goalbug fix

    To prevent auto-completion if criteria not fulfilled

    Steam
    Increased research weights for navy-heavy countriesai
    Steam
    Fixed naming issue for Japanese Missile Submarine projectbug fix

    Corrected to 'I-400 Submarine Carrier'

    Steam
    Reduced France's mastery gain debuff from 'Victors of the Great War'balance change

    Changed to -15%

    Steam
    Fixed focus East Asia Development Board not providing factoriesbug fix

    For Japan

    Steam
    Fixed screens without depth charges engaging submarinesbug fix
    Steam
    Fixed Godwin von Burmowski's role assignmentbug fix

    Moved to high command role

    Steam
    Added functionality to control group managementui ux
    Steam
    AI will train ships more frequently if possibleai

    Due to fuel restraints

    Steam
    Division Designer model prioritization updatedui ux
    Steam
    Model selector UI now fits 5 list entriesui ux
    Steam
    Changed 'I-400 Class' name to 'Sentoku Class'gameplay

    In Japanese nomenclature

    Steam
    Japanese Carrier Submarine project creates I-400 designgameplay
    Steam
  27. 14 events
    USS Langley - First Aircraft Carriernew content

    The story of USS Langley, the first aircraft carrier, and her eventual scuttling.

    Steam
    Warships of the Pacific DLC Announcementdlc releaseMilestone

    Introducing a new DLC focusing on various warships that played a role in the Pacific theater.

    Steam
    IJN Shinano Aircraft Carrier Overviewnew content

    Overview of the tragic history of the IJN Shinano, converted from a battleship to an aircraft carrier.

    Steam
    USS Essex Carrier Overviewnew content

    Overview of USS Essex, a key aircraft carrier in the Pacific theater with a storied combat history.

    Steam
    IJN Sentoku (I-400 Class) Introductionnew content

    The largest submarines to see operational service in WW2, capable of carrying and deploying seaplanes.

    Steam
    USSR M49 Submarine Introductionnew content

    Introduction of the M-class submarines used by the Soviet Navy, known for their small size and coastal operations.

    Steam
    USS Nevada Battleship Historynew content

    History of USS Nevada, the first Standard Type battleship, known for her resilience during Pearl Harbor.

    Steam
    New Ships for Nationalist and Communist China, and the Soviet Unionnew contentMilestone

    New ships added for Nationalist China, Communist China, and the Soviet Union.

    Steam
    HMAS Vampire Destroyer Storynew content

    The story of HMAS Vampire, a V-class destroyer that met her end during a Japanese air attack.

    Steam
    New Ships for Japan, USA, and Commonwealthnew contentMilestone

    Access to new ships for Japan, the United States, and the Commonwealth, including the Royal Navy and RAN.

    Steam
    HMAS Australia Cruiser Historynew content

    History of HMAS Australia, a County-Class heavy cruiser with a notable wartime career.

    Steam
    IJN Yukikaze Destroyer Storynew content

    The story of the Kagero-class destroyer Yukikaze, the only ship of her class to survive the war.

    Steam
    IJN Ise Hybrid Carrier Descriptionnew content

    Details on the IJN Ise, a hybrid carrier with a unique design and a colorful wartime career.

    Steam
    HMS Warspite Battleship Overviewnew content

    Overview of HMS Warspite, known as the 'Grand Old Lady' of the Royal Navy with a rich combat history.

    Steam
  28. 1 event
    Inclusion of Canberra Air Disaster in Australian Contentnew content

    The Canberra Air Disaster will be part of the new Australian content, affecting predetermined advisors.

    Steam
  29. 3 events
    Warships of the Pacific Mod Updatenew content

    Release of the Warships of the Pacific with updates to the model selector in equipment and division designers.

    Steam
    Camera Settings Update for Moddersmodding

    Modders need to update camera settings in their mods due to breaking changes in the 3D model views.

    Steam
    New Camera Settings Files for Designersmodding

    New files for camera settings in designers introduced, requiring updates to existing mods.

    Steam
  30. 1 event
    Fix for Research Bonuses Not Being Claimedbug fix

    Fixed a bug where research bonuses were no longer claimed and thus always active.

    Steam
  31. 2 events
    Scaling Equipment and Stats with Regiment Sizegameplay

    Equipment and stats will scale with the size of the regiment to prevent small divisions from becoming overly strong.

    Steam
    Introduction of Regimental Support Companiesgameplay

    Redesign work on the division designer to add regimental support companies, allowing more flexibility in division customization.

    Steam
  32. 5 events
    Escalation Mechanics in Indonesian ConflictgameplayMilestone

    As Indonesia completes land raids, modifiers will be added to represent influence and control, potentially escalating to full war.

    Steam
    Multiple Paths for Indonesian RevolutiongameplayMilestone

    Several ways to start and finish the revolution will be available, including historical and alternative history options.

    Steam
    New Revolutionary Conflict Mechanic for Indonesianew contentMilestone

    When Indonesia declares independence, a civil war will be represented as revolutionary militias occupying a state, with escalating conflict mechanics.

    Steam
    Joint Focus Tree for Indonesian Revolutionnew contentMilestone

    A new Joint Focus Tree will be available during the Indonesian revolution, allowing sabotage and negotiation between Indonesia and the Netherlands.

    Steam
    Introduction of Marine Commando Raidsnew contentMilestone

    New feature allowing Indonesia to conduct Marine Commando Raids to take control of states without shared borders.

    Steam
  33. 26 events
    Nerfed Focus Duration and Bonusesbalance change

    Lowered focus duration of `SOV_the_means_to_wage_war` and `SOV_superior_war_machines` to 35 days, and nerfed the bonuses they gave

    Steam
    Consistent Division AA Damage to CASbalance change

    Division AA damage to CAS is more consistent and less spiky

    Steam
    Increased Reliance on T34ai

    Soviets rely more on the T34 now in their templates & production

    Steam
    AI Reserve Fleet Usage Improvedai

    AI will now use its reserve fleet to create new task forces if possible/needed

    Steam
    Reduced CAS Org & Strength Damagebalance change

    CAS org & strength damage reduced. Added specific air to ground dice rolls

    Steam
    Soviets Produce T34 Earlierai

    Soviets will produce the T34 earlier

    Steam
    Buffed Division AA Effectivenessbalance change

    Division AA negates air superiority better when it is stronger, and weaker when it is not as strong

    Steam
    Updated AI Equipment Templatesai

    Updated AI equipment templates for England, Germany and Soviet Union

    Steam
    Adjusted Soviet Mastery Gainbalance change

    Soviet mastery gain is now -15% rather than -50% (still impacted by the purge)

    Steam
    Reduced Max Monthly Mastery Gainbalance change

    Reduced max monthly mastery gain from 50 to 40

    Steam
    Fixed Vandervelde's Death Eventbug fix

    Fix Vandervelde's death event not having a fire_only_once

    Steam
    Tweaked Historical German Focusesai

    Tweaked historical german focuses to pick slightly stronger start and align historical events closer to their actual dates

    Steam
    AI Task Force Building Logic Changedai

    The AI will only build the required task forces before looking to see if it can build any of the additional, optional task forces

    Steam
    Increased Armor Mastery Gain Multiplierbalance change

    Increased Armor mastery gain multiplier from 4 to 10

    Steam
    SIK AI Puppet Condition Changedai

    The SIK ai will now not become a Soviet puppet unless they fully control all their owned states

    Steam
    Fixed Reserve Fleets Travel Bugbug fix

    Fixed a bug where reserve fleets couldn't travel to a repair base

    Steam
    Fixed Yunnan's Decisions Issuebug fix

    Fixed an issue where Yunnan's decisions could disappear after switching focus tree

    Steam
    Strike Forces Repair in Harbourbalance change

    Strike forces are allowed to repair if they are in harbour

    Steam
    Fixed Frozen Naval Dominancebug fix

    Fixed the frozen naval dominance

    Steam
    Soviets Start Making Military Factories Earlierai

    Soviets start making military factories a bit earlier

    Steam
    Updated AI Weights for Researchai

    Updated AI weights for armor, air & anti-tank research

    Steam
    Fixed Rif Arabia Formation Bugbug fix

    Fixed an issue where the Rif could no longer form Arabia

    Steam
    Ma Cliques Focus Timing Adjustedai

    The Ma Cliques will now not do their mutual guarantees focus until the late game

    Steam
    Decreased Artillery Mastery Gain Multiplierbalance change

    Decreased artillery mastery gain multiplier from 10 to 8

    Steam
    Tweaked Soviet Focus Selection Orderai

    Tweaked the order of focus selection for soviets to create a more accurate historical timeline

    Steam
    Fixed AI Task Forces Repair Bugbug fix

    Fixed a bug where all AI task forces were allowed to split off repairs, instead of just strike forces

    Steam
  34. 3 events
    Future Abilities for Generalsgameplay

    Developers are looking into adding more abilities for generals in the Army HQ system.

    Steam
    Army HQ Deployment Systemnew content

    Players can now deploy generals to specific divisions within their armies, impacting abilities on the map.

    Steam
    General Capture Mechanicgameplay

    If a division with a deployed general is destroyed, the general is captured by the enemy, unlocking recovery methods.

    Steam
  35. 4 events
    Internal Faction Mechanics for Siamgameplay

    New mechanics will represent the rivalry between the military and civilian wings of the Khana Ratsadon party.

    Steam
    Introduction of Limited Wars for Indochina and Burmagameplay

    Limited wars will be implemented for Indochina, Burma, and parts of Malaya, similar to existing mechanics for Paraguay.

    Steam
    Pan Thaiism Subtree Plannedgameplay

    A planned subtree for Pan Thaiism will allow players to recover lost territories through limited wars.

    Steam
    Balancing Military and Civilian Interestsgameplay

    Players will manage the interests of the military and civilian factions, affecting their support based on actions taken.

    Steam
  36. 2 events
    Upcoming DLC: Thunder at our Gatesdlc releaseMilestone

    The next DLC of Expansion Pass 2, Thunder at our Gates, is coming in Q2.

    Steam
    Developer Corner for Feedback on Siamother

    Developers are seeking player feedback on expectations for Siam in the upcoming DLC.

    Steam
  37. 6 events
    Peace for our Time Expansion Coming in Q2new contentMilestone

    New expansion scheduled for release in the second quarter.

    Steam
    Improved Naval AIai

    Enhancements to the Naval AI to address issues with fleet battles.

    Steam
    Thunder at our Gates Expansion Coming in Q2new contentMilestone

    Another expansion set to release in the second quarter.

    Steam
    Upcoming Warships of the Pacific Expansionnew contentMilestone

    New expansion set to release this quarter.

    Steam
    Historical AI Performance Adjustmentsai

    Adjustments to improve the challenge posed by Germany against the Soviet Union in historical mode.

    Steam
    Multiplayer Performance & Stability Improvementsperformance

    Ongoing work to enhance stability and performance for larger multiplayer sessions.

    Steam