What changed in Hearts of Iron IV in 2018

52 updates · 31 main milestones · Jan 30, 2018 to Dec 6, 2018

  1. 1 event
    New Naval Combat Mechanicsnew contentMilestone

    Introduction of changes to Naval Combat in the free 1.6 Ironclad update.

    Steam
  2. 3 events
    New System for Accessing Previous Versionssystem

    Introduction of a new system requiring a Paradox Account to access earlier versions of PDS titles due to GDPR compliance.

    Steam
    Instructions for Switching to Old Branch Versionsquality of life

    Detailed steps provided for players to switch to older versions of the game using codes from Paradox Plaza.

    Steam
    Linking Steam and Paradox Accountsquality of life

    Players must link their Steam account to their Paradox Account to retrieve codes for previous game versions.

    Steam
  3. 2 events
    Naval Production and Repair Overhaulgameplay

    Significant changes to naval production and repair mechanics.

    Steam
    Introduction of Critical Hits System for Shipsgameplay

    New system implemented for critical hits affecting ships.

    Steam
  4. 1 event
    New Map Changes and Tags for Decolonization Pathnew content

    Introduction of new map and tag changes related to the United Kingdom's decolonization path.

    Steam
  5. 1 event
    Introduction of Fuel Featurenew contentMilestone

    Details on the anticipated new feature: Fuel in the upcoming Ironclad update and Man the Guns expansion.

    Steam
  6. 4 events
    Enhanced Naval Warfare Mechanicsnew contentMilestone

    Ability to design warships in detail and refit older ships.

    Steam
    Man the Guns Expansion Announcementdlc releaseMilestone

    New expansion adds depth to naval warfare and ship design.

    Steam
    New Democratic Nation Pathsnew contentMilestone

    Introduces new options for the United States and other democratic nations.

    Steam
    Free Update Accompanying DLCother

    A large, free update will be available for all Hearts of Iron IV owners.

    Steam
  7. 2 events
    Hotfix 1.5.3 Bug Fixesbug fix

    Various bug fixes included in the hotfix.

    Steam
    Mod Performance Optimizationsperformance

    Optimizations that should affect mod performance.

    Steam
  8. 20 events
    Acclimatization Mechanic Introducedgameplay

    Troops can learn to survive in extreme environments, providing veterans with advantages.

    Steam
    Waking the Tiger Expansion Releaseddlc releaseMilestone

    Major expansion for Hearts of Iron IV focusing on the Chinese Front and various gameplay improvements.

    Steam
    1.5 Cornflakes Update Releasedbalance changeMilestone

    Major game update accompanying the Waking the Tiger expansion, free for all players.

    Steam
    Commanders' Traits and Abilities EnhancedgameplayMilestone

    Commanders can now unlock powerful Command Power abilities for greater flexibility.

    Steam
    Waking the Tiger Expansion Releaseddlc releaseMilestone

    Major expansion for Hearts of Iron IV focusing on the Chinese Front and introducing new gameplay mechanics.

    Steam
    Chinese National Focuses Introducednew contentMilestone

    New national focuses for China, emphasizing its manpower and diplomatic flexibility.

    Steam
    Chain of Command System ImplementedgameplayMilestone

    Players can unite armies under a field marshal to utilize the skills of various generals.

    Steam
    Updated Axis Focus Treesnew contentMilestone

    Alternate historical paths for Germany and Japan, including new political options.

    Steam
    Chain of Command System ImplementedgameplayMilestone

    New system to unite armies under a field marshal, utilizing generals' skills.

    Steam
    Acclimatization Mechanic Introducedgameplay

    Troops learn to survive in extreme conditions, providing veterans with an edge.

    Steam
    Commanders’ Traits and Abilities EnhancedgameplayMilestone

    Commanders can unlock powerful Command Power abilities for greater battlefield flexibility.

    Steam
    New Decisions and Missions AddedgameplayMilestone

    Historical decisions and national missions to spend Political Power on domestic politics and special projects.

    Steam
    New Decisions and Missions AddedgameplayMilestone

    Historical decisions and national missions provide new ways to spend Political Power.

    Steam
    1.5 Cornflakes Update Releasedbalance changeMilestone

    Major game update accompanying the Waking the Tiger expansion, available for all players.

    Steam
    Chinese National Focuses Introducednew contentMilestone

    New national focuses for China that enhance gameplay and strategy.

    Steam
    Revitalized Air War Systemgameplay

    Updated air war mechanics with room for Volunteer air wings.

    Steam
    Updated Axis Focus Treesnew contentMilestone

    Alternate historical paths for Germany and Japan, including new political options.

    Steam
    Revitalized Air War Systemgameplay

    Improvements to the air war system, including support for Volunteer air wings.

    Steam
    Battlefield Equipment Capturing Mechanicgameplay

    New feature allowing players to capture battlefield equipment.

    Steam
    Battlefield Equipment Capture Mechanicgameplay

    Players can capture equipment on the battlefield, enhancing strategic options.

    Steam
  9. 18 events
    Chain of Command FeaturegameplayMilestone

    New feature allowing players to unite armies under a field marshal to utilize the skills of various generals.

    Steam
    Battlefield Equipment Capturegameplay

    New feature allowing players to capture battlefield equipment.

    Steam
    Battlefield Equipment Capturegameplay

    New feature allowing the capture of battlefield equipment.

    Steam
    General Traits and AbilitiesgameplayMilestone

    Generals can now unlock powerful Command Power abilities through their traits, enhancing battlefield flexibility.

    Steam
    Updated Axis Focus Treesnew contentMilestone

    New alternate historical paths for the German Reich and Imperial Japan, including parliamentary rule in Japan.

    Steam
    Acclimatization Mechanicgameplay

    Troops will learn to survive in extreme environments over time, providing veterans with advantages in battle.

    Steam
    Chinese National Focusesnew contentMilestone

    New national focuses for China, emphasizing its manpower and diplomatic flexibility.

    Steam
    Updated Axis Focus Treesnew contentMilestone

    Alternate historical paths for Germany and Japan, including parliamentary rule in Japan.

    Steam
    Chain of Command FeaturegameplayMilestone

    Unite armies under a field marshal to utilize the skills of various generals.

    Steam
    Waking the Tiger Expansion Announcementdlc releaseMilestone

    The next expansion for Hearts of Iron IV, featuring new focus trees and revised battle systems, will be released on March 8, 2018.

    Steam
    Chinese National Focusesnew contentMilestone

    New national focuses for China, reflecting its divided state and potential for diplomatic maneuvers.

    Steam
    Revitalized Air War Systemgameplay

    An updated air war system that accommodates Volunteer air wings.

    Steam
    Decisions and Missions SystemgameplayMilestone

    Introduction of historical decisions and national missions to spend Political Power on domestic politics or special projects.

    Steam
    Waking the Tiger Expansion Announcementdlc releaseMilestone

    The next expansion for Hearts of Iron IV, Waking the Tiger, is set to release on March 8, 2018.

    Steam
    Revitalized Air War Systemgameplay

    An updated air war system that accommodates Volunteer air wings.

    Steam
    Acclimatization Mechanicgameplay

    Troops will learn to survive in extreme environments over time.

    Steam
    Decisions and Missions SystemgameplayMilestone

    New historical decisions and national missions to spend Political Power.

    Steam
    General Traits and AbilitiesgameplayMilestone

    Generals can unlock powerful Command Power abilities through traits.

    Steam