1.18.2|May 20, 2026
View on Steam↗Hearts of Iron IV | Patch 1.18.2
2/5 Minor
Czechoslovakia receives the new 'Great Moravia' cosmetic tag and significant balance adjustments, alongside critical crash fixes for rocket silos and Mac users.
Key Changes
- 1Czechoslovakia gains the 'Great Moravia' cosmetic tag when reforming Austria-Hungary
- 2Germany now receives a wargoal instead of 'Fate of Czechoslovakia' if CZE still owns Sudetenland
- 3Fixed critical crashes related to rocket silo missions and Mac peace conferences
- 4Overhauled late-game industry ideas with a swapping system to reduce UI clutter
- 5Czechoslovakia can now access Polish Naval and Tank MIOs via specific focuses
- 6Monarchist integration autonomy reduction for Hungary buffed to -2 daily
- 7Slovakia and Hungary AI are now more likely to participate in the Eastern Front
- 8Added new division name lists for Rangers and the State Defense Guard
All Changes
🏳️Factions & Diplomacy(12)
- newCzechoslovakia: Czechoslovakia now receives the unique cosmetic tag 'Great Moravia' when using the Austria-Hungary reformation decision
- changeGermany: Germany can no longer start ‘Fate of Czechoslovakia’ if CZE still owns the Sudetenland; they will receive a wargoal instead
- changeCzechoslovakia: The 'Integrate Hungary' decision is now 'Integrate Former Austrian Lands' and can apply to more puppets than just Hungary
- changeBohemian Kingdom: Updated the Bohemian Kingdom flag to ensure it still includes Slovakia
- changeCzechoslovakia: Certain Czech characters now go into exile to specific countries after the 'Fate of Czechoslovakia' conditions are met
- changeCzechoslovakia: Added a slight color change to Czechoslovakia when starting monarchist or fascist branches
- changeCzechoslovakia: Czechoslovakia now uses a new Pan-European cosmetic tag instead of the Balkan Union tag
- buffPoland: Unifying with Poland now correctly grants their unit leaders to the player
- newCzechoslovakia: Added a new cosmetic tag for integrated communist puppets of Czechoslovakia to match the overlord's color
- fixCzechoslovakia: Fixed an issue where Czechoslovakia would lose cores on Slovakian and Ruthenian states during the historical event chain
- fixEmil Hacha: Emil Hacha now automatically replaces Hlinka as leader if Czechoslovakia is puppeted by a non-aligned nation
- fixSlovakia: Fixed cosmetic tags from the autonomist path disappearing when reannexing Slovakia through the autonomy system
⚙️Gameplay Systems(13)
- changeIndustry: Overhauled late-game industry and Peace For Our Time branch ideas to use idea swaps, reducing UI clutter
- newMilitary Industrial Organizations: Czechoslovakia can now gain two Polish MIOs (Naval and Tank) depending on focus completion or state control
- buffHungary: Monarchist integration idea daily autonomy reduction for Hungary increased from -1 to -2
- buffBalance of Power: The 'Ready for Anything' decision to remove Balance of Power now has more forgiving requirements
- buffCzechoslovakia: Completing the 'Lessons of War' focus now removes the 'Threatening Neighbors' Balance of Power modifier
- newDivisions: Added new division name lists: Rangers and State Defense Guard
- nerfArmy Leaders: Removed two army leader cost reductions that could previously stack to -125%, making promotions cost 0 CP
- buffArmy Spirit: Added conscription, training, and militia bonuses for the army spirit to several focuses
- changeBalance of Power: Rebalanced the reappearance times for several Balance of Power decisions
- changeAdvisors: Slightly tweaked the balance of several advisors
- fixApollo: Fixed an issue where the Industrial Concern Apollo became available unintentionally through an upgrade focus
- fixSkoda: Fixed Skoda's industry company requiring an extra focus after being upgraded
- fixPeru: Fixed Peru having unintended access to a Czech Industrial Concern
🤖AI Behavior(7)
- changeSlovakia: Slovakia is now more likely to fight on the Eastern Front when serving as a German puppet
- changeHungary: Hungary is now more encouraged to participate in Operation Barbarossa
- changeGermany: Germany's historical plan will now cancel if Czechoslovakia annexes Austria
- changeKommisariat Böhmen-Mahren: Kommisariat Böhmen-Mahren is more likely to assist Germany with defense, war support, or lend-lease
- changeGermany: Increased the probability of Germany executing its new raid on Czechoslovakia
- changeGermany: Germany given a stronger nudge toward the Berlin-Moscow Axis when facing a strong Czech faction
- changeAI: Added significantly more detail to various AI event considerations
🐞Bug Fixes(11)
- fixRocket Silo: Fixed a crash occurring when a rocket silo's 'Surface-to-Air' mission was set to a naval region
- fixMac: Fixed a crash occurring on Mac systems during peace conferences
- fixRadola Gajda: Radola Gajda now correctly possesses the Militarist trait
- fixGalicia: Fixed Galicia's default capital being incorrectly placed in the Sudetenland
- fixSlovakia: Fixed an issue where two Slovak navy chiefs shared the same idea token
- fixFocus Tree: Fixed communist path overlapping with democratic paths in the UI under specific gamerule conditions
- fixSpecial Projects: Corrected multiple scope mistakes in the new special project
- fixMap: Fixed misplaced victory point names on the map
- fixFocus Tree: Fixed an issue that cancelled the 'Fortify the Crossroads' focus if Slovakia existed
- fixMilitary Industrial Organizations: Fixed broken visibility conditions for Czech MIOs when viewed by Germany or Poland
- fixLocalization: Corrected a typo in Hácha's name and integrated community localization feedback
🎨Visuals & UI(7)
- newAdvisors: New advisor portraits added for František Placák (Navy) and Jaroslav Kejla (Air)
- newFocus Tree: Added new focus icons for seven specific focuses including 'Powerhouse of Europe' and 'Trinec Ironworks'
- newCentral European Federation: Added new flags for the Central European Federation (CEF) formable nation
- changeFocus Tree: Certain focus icons in the Czech tree now change appearance based on the player's chosen ideology
- changeUI: Added tooltips to focuses without current targets to clarify their functionality
- changeUI: Added a tooltip for Hungary and Poland regarding land demand counteroffers
- changeVisuals: Replaced USSR GFX focus icons with unique art for Industrial Relocation
Summary
Czechoslovakia & Peace For Our Time Polish
This update focuses heavily on refining the content introduced in the 'Peace For Our Time' expansion. Czechoslovakia sees numerous improvements, including a unique cosmetic tag for the Austria-Hungary reformation, access to Polish Military Industrial Organizations (MIOs), and a rework of how Germany interacts with the Sudetenland.
Gameplay & AI Enhancements
Balance of Power (BoP) mechanics have been tuned to be more forgiving, and late-game industry ideas have been overhauled with a swapping system to reduce UI clutter. The AI for Slovakia, Hungary, and Germany has been adjusted to better reflect historical and strategic priorities, particularly regarding the Eastern Front and the Berlin-Moscow Axis.
Stability & Bug Fixes
Several critical crashes have been resolved, including a specific issue with rocket silos and naval regions, as well as stability during peace conferences on Mac. Numerous logic fixes ensure that focus trees and cosmetic tags behave correctly during complex political shifts.