What changed in Hearts of Iron IV in 2019

The army branch will help Portugal remove the Unreliable Army National Spirit and provide research and production bonuses.

Focuses in the industry branch will allow Portugal to gain extra research slots and improve civilian industry.

A new focus tree for Portugal has been implemented, featuring multiple branches and interactions with the Spanish Civil War.

The naval branch will unlock decisions to buy ships from the UK or Italy and provide bonuses for naval production.

The political branch offers various paths including cautious approaches to the Spanish Civil War and support for Nationalists.

The colonial branch provides bonuses to non-core manpower and options for integrating or puppeting African colonies.

Portugal will start with two National Spirits: Unreliable Army and Unstable Republic, each providing various penalties.

Intel sources decay over time, requiring players to actively maintain their intel levels.

A new intel ledger replaces the previous intel display in the diplomacy interface for players with La Resistance.

Players can now see detailed breakdowns of enemy army techs, stockpiles, and naval missions based on intel levels.

The intel system is revamped to include separate values for Civilian/Industry, Army, Navy, and Air Intel.

Intel can be gathered from various sources including spy networks, radar, and combat engagements.

Cracking enemy codes provides passive bonuses, including air interception.

New plane type for gaining intel on enemies, featuring an 'Air Recon' mission.

Activating a cracked code gives 30 days of full intel on the enemy, with potential for code strength upgrades.

New department in the Agency for creating and breaking enemy ciphers, with upgrades for decryption power.

Introduction of multiple compliance unlock levels that improve control over occupied nations.

New operation to create and strengthen local collaborators, impacting capitulation ease.

Coups are now classified as operations that require setup by agents, allowing strategic targeting.

Success of coups depends on stability, political support, and agent preparation, with new strategies for both attackers and defenders.

Achieving high compliance allows for the creation of a new subject type, freeing occupiers from policing duties.

Winning sides in coups will now switch control of planes and ships instead of losing them.

Players can recreate famous historical operations from World War II.

Increased difficulty for repeated operations against the same target.

Hotfix released for issues with the new launcher, improving mod usage.

New operations to infiltrate enemy forces, air force, and civilian government for intelligence.

New gameplay feature allowing players to perform espionage operations requiring agents and resources.

Upcoming UI improvements for mod navigation in the launcher.

Fixed refresh rate settings from launcher so that they are applied.

Changed default display mode in new launcher to borderless fullscreen from exclusive fullscreen when launched for the first time, to restore behavior from the previous launcher.

Prevented the Paradox Account login window from popping up when entering the multiplayer lobby when not using the Paradox matchmaking service.

The game has transitioned to a new launcher for improved platform independence and communication.

Later tier 3 and 4 subs have been nerfed and their cost increased, while destroyer upgrades have improved.

Fixed a bug where convoys negatively affected the sub detection abilities of their escorts.

Added zoom functionality, filters, and free search to enhance navigation in focus trees.

A new startup menu (launcher) is being introduced to enhance the user experience and allow for future feature development.

All mods will be disabled upon the first launch after the update, requiring a restart for them to appear correctly.

Trains Operatives to operate effectively in high society and politics.

Players can construct an Intelligence Agency at the start of the game to engage in espionage activities.

Allows captured Operatives to limit intel leaks to the enemy.

Boosts the agency's counterintelligence rating to defend against enemy Operatives.

Establishes a department focused on cryptology and intelligence analysis.

Players can become the Spy Master of their faction, allowing them to manage more Operatives.

Enhances the ability of Operatives to generate more intel through improved communication methods.

Improves intelligence gathering capabilities in naval operations.

Constructing the Agency requires civilian factories and allows players to name it and choose logos.

Players can recruit Operatives and upgrade various branches of the Intelligence Agency.

The expansion will introduce new gameplay features centered around espionage.

The next expansion, La Résistance, focusing on Espionage and Resistance, has been announced.

Introduction of a new espionage system and expanded interactions with resistance movements.

New National Focuses for Free France and the Vichy Regime, including an option to restore the old French Monarchy.

Decrypt enemy communications for short-term battlefield advantages.

Assist allied resistance movements with resources to damage the enemy.

Includes interface improvements to battleplans and air operations, along with other quality of life enhancements.

Scout planes and armored cars to gather information and suppress resistance activities.

Prepare for collaborators to take over after conquering a target.

Train spies for information warfare and develop passive resistance to enemy espionage.

New National Focuses for Republican and Nationalist Spain, with potential for a wider conflict.

Navigate World War pressures or engage in the Spanish Conflict with updated Focus Tree for Portugal.

Tactics will now be rerolled twice as often, with a reduction in the frequency of certain combat phases.

Recon companies will now generate more intel in combat, with a new system for acquiring intel being introduced.

New recon company types include Cavalry Recon Detachment, Motorized Recon Company, Light Armored Recon Company, and Armored Recon Company.

Armored cars will enhance resistance suppression capabilities, absorbing resistance attacks and reducing losses.

Armored cars are being added to the game, providing a new option for resistance suppression and combat.

Recon support companies have been split into several types, allowing for tailored division types and speeds.

Choose between gaining trained units or double the number of untrained units at the start of the civil war.

Increases equipment distribution to Republicans at the start of the civil war.

Introduction of the new focus tree for Republican Spain in the upcoming DLC.

Republican faction begins as Democratic but is internally divided into four factions.

Focus on forming a coalition of political parties against Fascism.

Republican Spain starts with the same 4 spirits as Nationalists, with unique focus choices.

Gives 10 untrained divisions at the start of the civil war and other bonuses.

Republican focuses last 385 days, compared to 210 days for Nationalists, delaying the civil war.

Managing Stalinist influence and its impact on the Republican war effort.

Disbands the army and starts the civil war, affecting military distribution.

Republicans start with control of states without Nationalist garrison control, affecting troop spawn rates.

Provides 5 trained units at the start of the civil war and additional bonuses.

Mechanics for receiving Soviet aid and its implications for the Republican government.

Rework of the Policing and Garrison system to reduce micro-management and increase strategic depth.

Introduction of unique Focus Trees for Vichy and Free France, enhancing their geopolitical representation.

Expanded focus tree that reflects the political decision making in 1930s France.

Scores from Hearts of Iron II and III are now available to all players.

Older music packs redesigned to resemble newer radio stations for a smoother user experience.

Adds unique radio stations for each of the three major factions with 35 new songs.

Adjustments made to improve naval warfare mechanics.

Introduces 53 new 3D unit models of Axis armor units and includes eight German tank models.

Multiple bugs have been addressed in this patch.

A variety of new tracks have been added to enhance the in-game experience.

New 3D and 2D models of Axis vehicles and new songs for gameplay.

Changed how naval supremacy is calculated based on ship size and effectiveness in a region.

Added an explanatory event to the naval treaty system informing countries not at war that they are no longer bound by the Naval Treaty if two other majors are at war.

Ships designs can no longer go slower than 1kn.

Moved the IJsselmeer lake province from Holland state to Friesland state to prevent flooding issues.

Fixed convoy combat alerts not being visible for defenders.

Fixed convoy combats appearing as regular combats before removal.

The Charles II Lifestyle idea now has an effect.

Fixed AI factor not being properly considered for ideas with a cost of 0pp.

Allying with the Silver Shirts can now be taken with 10% popularity of fascists, requiring a fascist demagogue in government.

Reduced Japanese Torpedo Cruiser Hull sub detection to align with regular cruiser hulls.

Convoy and mine missions will work with islands of regions now, with fleets distributed among disconnected groups.

Fixed political events firing above 60% support without a ruling party of that ideology.

Added bypass to Dutch focus Curtail Colonial Autonomy, making national spirits timed rather than permanent.

The 1.6 Ironclad update has been released alongside the DLC.

The Man the Guns DLC has been officially released.

The team is already working on the upcoming 1.6.1 patch.

Includes fuel as a major resource and a new Rules screen.

Research and produce specialized vehicles for beach landings.

Protect coasts with anti-ship mines or clear enemy mines.

Azores lease return event will now only fire once.

Plot new routes for shipping and navies by marking areas to avoid.

Research new components and refit older vessels with new knowledge.

Czechoslovakia can no longer protest the rearmament of Hungary if it is Hungary's puppet.

Corrected broken AI behavior when FIELD_MARSHAL_ARMIES_CAP was set to zero.

Welcome a government in exile to boost legitimacy in return for manpower and elite troops.

Welcome a government in exile to boost legitimacy and manpower.

Options to push for early decolonization or restore monarchy privileges.

Use the American Congress to push for reform, risking another civil war.

Plot new routes for shipping and navies by marking areas to avoid.

Naval zones now have terrain affecting combat and movement.

The expansion will launch with a free update including new naval aspects and the Fuel resource.

Revive the Old Confederacy and provoke a new civil war or hasten decolonization of the British Empire.

Man the Guns expansion for Hearts of Iron IV will be available on February 28th, 2019.

Vichy France event will no longer fire if a human player controls European French states.

Admirals now have 4 new stats and personality traits.

AI evaluation of research bonuses has been improved.

Central Powers now invite Austria-Hungary and Monarchist Italy, even if they are not AI.

New national focuses for The Netherlands and Mexico.

Focuses can no longer be taken when at war with Hungary or Romania.

Struggle to keep peace by following or defying internationally agreed rules.

Ships and planes can now be trained for Naval XP and personal experience level.

Tailor and level up your Admirals with new traits and skills.

The naval themed expansion is now available for purchase.

Fuel is now a resource required by most moving things with an engine and produced from oil and synthetic refineries.

Follow or defy internationally agreed rules to keep peace.

Customizable gameplay rules available for single and multiplayer, including directing AI nations.

Research new components and refit older vessels, including outfitting submarines with snorkels or improved stealth.

Original music specifically for the Man the Guns expansion.

Naval invasions are no longer limited to one per starting port.

Protect coasts with anti-ship mines or clear paths through enemy mines.

Ships can be named before launch and dockyard assignment is dictated by ship class.

Level up your Admirals with new traits and skills.

Naval base capacity miscalculation when loading a savegame has been fixed.

New naval missions and interfaces for controlling ships organized into Task Forces within a fleet.

Justifying wargoals is now cheaper against nations that assist enemies.

Original music composed specifically for the Man the Guns expansion.

Research and produce specialized combat vehicles for marines to enhance beach landings.

Players can now cancel national focus with up to 10 days progress saved.

New naval combat mechanics including distance and role boxes for ships and a new spotting phase.

Added Custom Game Rules which allows you to pick a certain path for AI nations to go down.

New achievements introduced with the upcoming Man the Guns expansion.