What changed in Hearts of Iron IV in 2024

The game option to use silhouette portraits for German leadership and focuses has been removed.

Some graphical content in the German version of the game has been replaced.

AI now correctly resets its desire when unlocking a spirit

Bypasses if Czechoslovakia is a subject of Germany

Hit Chance reduced from 0%/+1%/+1.5%/+2% to 0%/+0.5%/+1%/+1.5%

Only faction members are targeted now

No more weird edge case scenarios

No longer cancels incorrectly if target gets annexed

Cancels correctly if at war with Britain

Option to use silhouette portraits for German leadership and focuses

Corrected Helmuth Walter's name

Resolved blocking issue in 'Split Yugoslavia' focus

Explained how this makes integration harder

No longer able to steal Slovakia if it's a puppet of Romania

Fixed bug where AI traded with countries without valid trade routes

Now available with and without La Resistance DLC

No longer increases Germany's factories in Economy of Conquest unnecessarily

Resolved issue with 'Protect Czechoslovakia' focus

No longer able to have more than one aerial module

Clarified timing of the anschluss ratio

Simulated by Government Resigns now

Slovakia won't receive states controlled by others

Added Civilian Economy trade law and re-arranged Consumer Goods Factory reductions

Resolved locking issue with Monarchist Germany

Support for Hungarian claim to Vojvodina now works

Corrected Würzburg spelling

Now reduces by -100% instead of -75%

No longer refers to a 'full state', only need to hold key cities

No longer triggers Austrian Pro-German Sentiments incorrectly

Visibility reduction changed from -25% to -20%

Increased penalties when hitting max MEFO penalty

If Germany completes the focus 'Seek to the Eastern Front'

Now allow specifying a design_team (MIO)

Made the 3 versions use one central tag and changed adjectives

Requires you to be at war now

Now granted if you own 'By Blood Alone'

Corrected Strike Eastward effect tooltip

Visibility reduction changed from -7%/-15% to -7%/-13%

Corrected when Wilhelm of Wied becomes leader

Visibility reduction changed from -15% to -10%

Triggers MEFO Payments National Spirit correctly now

Icons now better suit their role

To better resemble historical post-war Germany

Added caps and criteria for dockyard distribution and fixed misleading tooltips.

Constantly moving ships in and out of a task force.

If you don't have the Götterdämmerung expansion.

Will no longer softlock if targeted country flips communist or fascist.

Front lines and units can no longer be highlighted when main menu is open.

Bormann can generate more PP during early and mid game.

Now correctly a Submarine Specialist.

Can now be performed even if France controls some core states.

Corrected to the House of Saxe-Coburg Gotha from House of Leopold.

Basic transport plane technology added to more countries in the 1936 bookmark.

Political power made more abundant and AI chances modified.

Now called Submarine Nuclear Missile Launcher.

AI should now exercise their divisions when not involved in a war to a larger degree.

Only checked for the old focus with the same name.

Dynamic version-naming checkbox now functions correctly when manually toggled.

Corrected spelling in 'Strict Anti-Clericalism'.

Now requires Germany to be at war with Poland to trigger when UK declares war.

Removed a duplicate modifier from National Idea 'Stasi' and hid a focus without La Resistance.

Locked if you have the Economy of Conquest National Spirit.

AI can now cancel low-scoring raids to unblock command power for higher-scoring raids.

Now part of the pools with low priority.

Class is now provided by the variant versioning.

AI now gets correct strategy values after loading a save file at the next hourly tick.

Fixed for Ally Chiang Kai-Shek focus.

Simplified broken trigger for state control requirement.

Now correctly a scientist instead of a nuclear theorist.

UK wouldn't be able to get extra resources from 'Enter the Sterling Area'.

If Austria manually gets a non-aggression pact.

More facilities doing basic research will be less advantageous per facility.

Now grants intended +3% bonus like other Maintenance techs.

Now grants Zaolzie to the southern ally of Germany.

Triggered only for the first country triggering it.

Would not become leader if chosen while Germany wasn't fascist.

Made the focus more readable.

Erwin and Aders can now be hired without AAT.

Access granted by completing the Form State Arsenals focus.

Would appear despite not owning Götterdämmerung.

Could not be obtained without Götterdämmerung.

Convoy cost reduced from 0.35 per fuel to 0.28 per fuel.

Raids could be detected even if intel was under the required threshold.

Added days to the mission to give players a better chance to avoid negative fallout.

Sometimes appeared without a trait.

Made it clearer that they are Nuclear Missiles tier I and II.

Could be locked without progressing or canceling if Flight of Rudolf Hess happened.

Several popular mods have been updated to be compatible with the new DLC.

Instant unlock of three new 3D tank models and a music track included with the expansion.

The Graveyard of Empires country pack is scheduled for release in Q1 2025.

The team is aware of some issues and is working on resolving them.

The Prototype Vehicles unit pack is scheduled for release in Q3 2025.

The Götterdämmerung expansion is now available for individual purchase.

Players can roll back to previous versions of the game after the DLC release.

The Götterdämmerung expansion was released on November 14th, 2024.

Visible if damaged enough.

AI shouldn't start WW3 with historical focuses.

Now grants +1 max level for land and coastal forts.

All building construction buttons will glow when selected.

Includes experimental equipment, unit models, and landmarks.

Created focus inlay windows for displaying additional information within the focus tree.

Eliminated inefficient dynamic memory allocations to improve performance.

Allowed binding of variables to localization from script for easier updates.

Introduced support for more complex tooltips in GUI and script files.

Optimized performance to counter the influx of data from new content.

Optimized interactions with equipment variants to lessen performance impact.

Reduced performance impact by limiting checks to focuses with a chance of being bypassed.

Implemented navigation shortcuts for easier focus tree navigation.

Added support for country-specific names for provinces and states.

The German Focus Tree has been completely overhauled, introducing a larger and more complex structure for alt-history gameplay.

New mechanics for establishing a Communist Germany through the Proletarian Revolution and managing civil unrest.

New gameplay mechanics allow players to pursue global power through Weltpolitik or diplomatic strategies via Realpolitik.

Players can choose between reviving the Kaiserreich or establishing a Military Dictatorship, each with unique focuses.

The alt-historical branch for Germany has been greatly expanded, offering diverse playstyles including Democratic, Monarchist, and Communist paths.

New focuses related to the Civil War allow players to rally the nation and rebuild industries more effectively.

The Democratic branch includes focuses for technological advancements and improved relations with Western neighbors.

Final focus determining Congo's future direction and relationship with Belgium based on autonomy.

Introduction of a new focus tree for Congo, detailing its historical contributions during WWII and its relationship with Belgium.

A shared Colonial Branch in the focus tree that allows both countries to complete focuses that benefit each other.

Focus only accessible to Congo, providing early-game boosts.

Branch that unlocks after independence or completing the Force Publique branch, allowing professionalization of armed forces.

Focus that can be completed by either Belgium or Congo, granting a civilian factory to Congo.

Focus that grants a massive industrial bonus if certain conditions are met.

Focus completed by Belgium that improves Congo's Model Colony and grants political power to Belgium.

Tier 2 focus requiring previous focuses, offering advanced resource improvements.

New branches available after independence focusing on different political ideologies.

Focus completed by Congo that improves research speed and grants political power to Belgium.

A new defensive branch allows Belgium to invest in fortifications and defensive strategies.

The King’s treatment post-capitulation affects the dynamics of the government in exile and resistance efforts.

Implementing Henri de Man’s economic policies to relieve economic pressure in Belgium.

The political landscape includes corruption issues and the potential rise of fascism or communism.

A new focus tree for Belgium has been added, allowing players to explore various political and military strategies.

Belgium's military features unique modifiers and options, including the Chasseur Ardennais for rugged terrain.

A historical branch focusing on stabilizing Belgium post-chaos with options for alliances and military strategies.

Players can target enemy resources, such as the Ploiești oil fields, to lower output.

Players can plan raids against specific targets, requiring preparation and unit selection.

Raids can be used to target and destroy enemy super weapons like the V3 mega gun.

Nuclear strikes now require planning and can target any province, with lingering effects.

Players can target canal locks to disrupt naval traffic, specifically in Panama and Kiel.

Players can develop and use the bouncing bomb to target enemy dams, causing strategic flooding.

New gameplay mechanic allowing targeted strikes on enemy installations and unique missions.

Raids can disrupt enemy special projects by targeting their experimental facilities.

New UI section allows players to filter and display raid targets based on preferences.

Introduction of flavor-specific raids like the Eben Emael raid and Operation Jericho.

New feature allowing players to manage multiple Reichsleiters working on focuses simultaneously.

Players can replace Hitler with another leader after completing specific focuses.

Consumer Goods Factories factor will increase monthly until reaching 100%, impacting military production.

New decision to lower monthly CGFF increase by 0.5% and unlock temporary CGFF reduction options.

Reworked MEFO Bills to slow down early German build-up and drive players towards conquest.

New mechanic to seize gold reserves from capitulated countries to temporarily reduce CGFF.

New mechanics to challenge the USA's influence in America through political actions.

New mechanics for creating special puppets with bonuses after completing specific focuses.

Maximum fort levels now depend on terrain and researched techs, with new techs added for fortifications.

Dams can be targeted by raids and boost industrial investment in their state.

Horses in the game now feature varied and realistic colors.

New techs for transport planes increase their range for paradrops and supply missions.

Default settings for Area Defense are now inactive, allowing for easier management of division placements.

New landmarks provide country-level bonuses and can be captured to deny bonuses to the original owner.

High Command now increases the Command Power Cap, rewarding players for building a competent staff.

The AI can now concentrate its strongest divisions for more effective offensives instead of spreading them thinly across the front.

Minor changes made to better differentiate between State and Province effects in the UI.

Introduction of an elite force called Sturmtruppe to assist in breaking through enemy lines.

The old base Focus Tree for Germany is being replaced with a new, extensive version featuring 35-day focuses.

Germany receives a nerf to better represent their unpreparedness for World War II, with fewer negative modifiers.

New mechanics for the naval branch, requiring players to prioritize paths and complete focuses to unlock others.

Players can now choose to specialize the Luftwaffe in dive bombers, CAS, tactical, or strategic bombers.

New industrial path focusing on self-sufficiency and rapid rearmament, introducing unique laws.

New Special Projects bonuses themed around Germany's 'miracle' weapons.

Introduction of new National Spirits, including military spirits split into Heer, Luftwaffe, and Kriegsmarine.

New decision mechanic allowing Germany to gain temporary state modifiers during warfare, simulating blitzkrieg tactics.

A complete rework of Hungary's national focus tree, including new branches and political paths.

Five different monarchist branches with unique focuses and leaders for Hungary.

The focus tree includes new industrial and military branches aimed at expanding Hungary's capabilities.

A new joint focus tree accessible by Austria and Hungary, allowing for cooperative gameplay.

Hungary now starts with four national spirits instead of one, reflecting its historical context.

New political branches including historical, fascist, monarchist, and republican paths.

New technologies added and some existing technologies moved to be unlocked via Special Projects.

Players must achieve Scientific Breakthroughs to start Special Projects, which can be earned through research.

Four types of Experimental Facilities introduced: Advanced Physics, Naval Engineering, Aerodynamics and Avionics, and Land Warfare.

Projects will undergo multiple prototype iterations, affecting the final output and generating bonuses.

Rockets now classified into Flying Bombs (V1) and Ballistic Missiles (V2), with new production requirements.

New feature allowing players to acquire super weapons and technological advancements through Special Projects.

Introduction of scientists as a new character role, replacing previous advisors related to nuclear and rocket technologies.

The research button has been updated with a new tab for accessing Special Projects.

Includes projects like the V1 Flying Bomb, V2 Ballistic Missiles, and Project Habakkuk.

Quality of life improvements made to the Rocket interface for easier target selection and mission assignment.

Players can now pursue options to reclaim former territories and form a new Austrian Empire.

A new Monarchist path allows players to reinstate the Habsburg monarchy and pursue expansionist goals.

A decision system for Anti-Anschluss measures has been introduced, allowing players to strengthen Austria against German influence.

Austria has been added as a playable country in the upcoming Götterdämmerung expansion.

The Anschluss system has been revamped to include unique mechanics for different political branches.

A historical focus tree has been created for Austria, allowing players to navigate the political landscape of the interwar period.

The Götterdämmerung expansion will be released on November 14th, 2024.

A completely overhauled Hungarian focus tree with a unique perspective on the Austro-Hungarian Empire.

Scheduled for release in Q3 2025 as part of the expansion pass.

New gameplay options for Belgium, including potential for an African government-in-exile.

Germany will receive a completely revised historical national focus tree with new alternate historical paths.

Players can forge a new history for Austria, free from German control.

A new experimental research mechanic will allow players to pursue historical and plausible super-projects.

A new feature that adds narrative and strategic military raids targeting experimental facilities and military installations.

Players will receive instant unlocks of three new 3D tank models and a music track with the expansion pass.

Introduction of an expansion pass that includes instant unlocks and future content at a discount.

Scheduled for release in Q1 2025 as part of the expansion pass.

Fixed ship creation script from autoincluding version numbering inconsistently, leading to a few instances of invalid script.

Non-Designer equipment will no longer show version naming by default.

A few CCP icons were being shown in unintended locations, this is no longer the case.

Warscore increased by 4-5x, including from sinking convoys.

Announcement of the first-ever Content Creator Pack for Hearts of Iron IV, featuring over 300 pieces of high-quality 2D art for the Soviet Union.

Now includes Luxembourg in its targets.

A long-awaited update with fixes and changes scheduled for June 10th.

Icelandic and Swiss Admirals had General skills instead of Admiral ones.

Captured ships can now be refit through the individual ship design screen.

Gained when taking the 'Unite Arabia' decision.

Focuses now grant extra levels to MIOs and reduced civil war triggers.

Many info popups now appear at the bottom-right and do not require manual interaction to clear.

Demand a Snap Election to become Communist was unavailable with non-latin alphabet.

Factories can now prioritize repairing damaged constructions.

Changed to be more historically accurate, fixed various issues regarding Quebec.

Reduced bonuses across several branches and focuses.

Issues triggered by a Chinese focus regarding Joseph Stillwell.

Variant version now separated from name.

The fourth annual Community Cup with a grand prize of €2,500 on June 9th.

A smaller announcement planned for June 8th.

Celebrating 100,000 Discord server members with a giveaway on June 7th.

A special reveal through an enigma cipher planned for June 6th.

Five days packed with activities celebrating the 8th anniversary of Hearts of Iron IV.

Fixed a long-standing issue where the weekly negative change in the Italian Balance of Power wasn't removed upon them regaining control of their core states.

State mapmode now shows modifiers at state level.

Fixed incorrect grammar in the Norwegian Infanteridivisjon and Binærdivisjon unit templates.

Fixed an issue in the Romanian focus tree where the focus 'Appoint Pro-Axis Government' would say it unlocked a decision to join the allies.

Switched Norfolk Naval Yard to Escort and Brooklyn Naval Yard to Taskforce.

Fix the speed of some scrollbar when using mouse wheel.

Fixed an issue where the focus 'British Guns' would only show two out of the three unlocked decisions.

Mengkukuo no longer has MIOs only accessible through the shared Chinese focus tree.

Fixed multiple issues with the Canadian focus 'The Newfoundland Act'. The focus now has a clearer available tooltip.

The Chilean decision to release the Inuit now grants them cores on Attu Island and the Chuckchi Peninsula.

Changed Electric Boat Company from Raiding Fleet to Submarine Designer.

The 'Caliphate of Cordoba' formable nations decisions no longer require you to control impassable desert states.

Updated Paraguay and Uruguay with more accurate victory points.

Fixed various issues with the final focuses in the shared Chinese focus tree.

Changed description of North American Aviation and Lockheed to better describe their roles. Added new variants to Douglas, Detroit Arsenal, Brooklyn Naval Yard and Norfolk Naval Yard.

Fixed Sinkiangs flag to use Cheng-Chi-Tsai's second flag.

Reduced from 10% to 3.5%

Reduced from 25% to 15%

Reduced from 5% to 4%

Reduced from 10% to 3.5%

Reduced from 5% to 4%

The Starter Edition will be converted to the current base game after the Spring Sale ends.

Reduced from 15% to 7%

Multiple reductions across different factors

Reduced from 15% to 7.5%

Reduced from 20% to 6%

The three DLCs will be integrated into the base game, enhancing the gameplay experience for all players.

Reduced from 10% to 5%

Reduced from +25% to +15%

Reduced from 20% to 6%

Reduced from 25% total to 7.5%

Reduced from 0.2xp/d to 0.1xp/d

Reduced from 10% to 5%

Increased from 50 weekly to 250 weekly

Reduced from 30% to 15%

Reduced from 10% to 5%

Various discounts on the base game and expansions during the Spring Sale.

Trial of Allegiance and Battle for the Bosporus renamed to include 'Country Pack' at the beginning.

Death or Dishonor, Together for Victory, and Waking the Tiger are available for free during the Spring Sale.

The free 'BOLIVAR' update includes additional content alongside the DLC.

Balance changes have been made in the BOLIVAR update.

Various bug fixes have been implemented in the BOLIVAR update.

The Trial of Allegiance DLC is now live, featuring new content related to Brazil, Chile, Argentina, Paraguay, and Uruguay.

Introduced a new political path focusing on restoring the monarchy and expanding the Brazilian Empire.

Added a sub-branch focusing on collaboration with the United States and creating a United States of South America.

Introduced a new path for players to pursue communism and prepare for a revolution.

New political path allowing players to restore democracy and prevent military coups.

Added a sub-branch for territorial expansion and alliances with Germany and Italy.

Introduced a new political branch allowing players to align with the Integralists, boosting fascist support.

Added follow-up decisions for Central America to integrate Panama and Yucatan.

Added Quebec, Yucatan, Republic of the Rio Grande, and Rapa Nui as releasable nations.

Added the Peruvian-Ecuadorian war of 1941 with scripted peace options.

Implemented a new path to elect Juan Perón as leader of Argentina.

Introduced the Union Pacific Railroad for the USA.

Updated the Amazon Rainforest to include impassable regions and river channels.

Introduced new formable nations: Peru-Bolivian Confederation, United Guianas, and Hispaniola.

Added new operatives for the USA, Germany, and Japan.

Added new industrial concern, unique traits for leaders, and new focuses for Canada.

Reworked the Admiral Trait tree for better usability and balance.

Introduced new focus trees for Paraguay and Uruguay.

Introduction of democratic processes and elections affecting gameplay in Chile.

Introduction of the upcoming DLC featuring Chile with unique content.

Adjustments made to the Chilean order of battle to better represent the army at the start of the game.

New communist sub-branch introduced in the Chilean focus tree, allowing alignment with Russia.

Chile starts with a variety of new political advisors, some of whom are initially invisible.

Mechanics introduced for dealing with the attempted coup d'état by the fascist party in Chile.

New focuses related to economic management and resource extraction in Chile.

Introduction of a new focus tree for Chile, including political, industrial, and military branches.

Introduction of new 3D models for various units and structures in Chile.

New fascist branch introduced in the Chilean focus tree, detailing the coup d'état scenario.

Arturo Alessandri starts with a unique trait as the president of Chile.

Introduction of new generals for Chile in the upcoming DLC.

Players can choose paths that lead to civil war or peaceful transitions in government.

New national spirits represent Argentina's historical challenges and opportunities, impacting gameplay.

Players can navigate through historical, democratic, industrial, and fascist branches, each with unique paths and outcomes.

Players can lead Argentina, exploring its political branches and historical context during the Infamous Decade.

Players can explore a fascist route, including supporting Franco in the Spanish Civil War and expanding militarily.

New portrait art for the Argentinian leader at the start of the game.

New focuses allow players to restore Argentina's economy through industrial development and foreign loans.

Focus tree includes historical events related to Vargas' rise to power and authoritarian measures.

New national spirits added to represent Brazil's historical challenges and political dynamics.

Introduces three major focus trees for Brazil, Argentina, and Chile, enhancing gameplay options.

First-ever country pack for South America featuring Brazil, Argentina, and Chile with new focus trees.

New gameplay mechanics to address Brazil's economic issues stemming from the Great Depression.

New mechanics for dealing with the Cangaço bandit groups affecting stability in Northeast Brazil.