What changed in Hearts of Iron IV in 2021
156 updates · 63 main milestones · Feb 3, 2021 to Nov 25, 2021
- 3 eventsHearts of Iron IV: No Step Back Release Datedlc releaseMilestone
Hearts of Iron IV: No Step Back will release on November 23rd, 2021.
SteamBarbarossa Patch ReleasedchangesMilestoneThe Barbarossa patch has been released alongside the No Step Back DLC, featuring a new checksum.
SteamNo Step Back DLC Releaseddlc releaseMilestoneThe No Step Back DLC is now available for Hearts of Iron IV.
Steam - 1 eventNew Achievements for No Step Back DLCnew contentMilestone
20 new achievements added for the No Step Back DLC, including unique challenges for various nations.
Steam - 4 eventsIn-Game Profiler for Performance Measurementperformance
An in-game profiler will be included to measure performance metrics such as render time and FPS.
SteamDirectX 11 Support AddedsystemMilestoneThe game will now support DirectX 11, allowing users to select it in the launcher settings.
SteamNew Leader for French Communist Focus TreegameplayRené Nicod replaces Maurice Thorez as a leader in the French Communist focus tree, offering new gameplay options.
SteamRetirement of Old Linux and Mac PlatformssystemOld Linux and Mac platforms will be retired, requiring Ubuntu 18.04 and macOS 10.11 as minimum OS versions.
Steam - 4 eventsNew Focus and Achievement Iconsnew content
Preview of new focus and achievement icons coming in the No Step Back expansion.
SteamNew Loading Screen Art for The Krojanty Battlenew contentIntroduction of a new loading screen art depicting the Polish cavalry attacking German soldiers.
SteamNo Step Back Feature Streamsseasonal eventAnnouncement of feature streams showcasing new focus trees starting on October 27th.
SteamNew Portraits in No Step Backnew contentIntroduction of several new portraits for characters in the upcoming No Step Back expansion.
Steam - 5 eventsDynamic Tank Designer Backend Changesmodding
Updated tank designer to support dynamic chassis creation based on roles.
SteamRailway Building EnhancementsmoddingAdded options for easier railway setup and scripting through the nudger tool.
SteamNew Character Definition and Recruitment ProcessmoddingMilestoneCharacters can now be defined with roles and recruited in the country history file.
SteamIntroduction of Unified Character SystemmoddingMilestoneOverhauled character handling to reduce bugs and confusion with distinct character roles.
SteamNew Effects and Modifiers for ModdingmoddingIntroduced new modifiers and effects like building_cost_factor and add_equipment_to_stockpile.
Steam - 3 eventsStrategic Redeployment Using Railwaysgameplay
Strategic redeployment will now utilize railways for more realistic army relocation, affecting pathfinding choices.
SteamScorched Earth Mechanicnew contentPlayers can spend Command Power to disable railways during tactical retreats, damaging them and preventing repairs.
SteamPreferred Tactics for GeneralsgameplayGenerals can now earn a favored combat tactic at level 5, affecting all units under their command, in addition to the national preferred tactic.
Steam - 5 eventsCombat Effects of Railway GunsgameplayMilestone
Railway guns provide negative combat modifiers to enemies, similar to shore bombardment.
SteamIntroduction of Railway Gunsnew contentMilestoneNew railway guns can be researched and produced, appearing in the capital upon completion.
SteamCapture and Damage Mechanics for Railway GunsgameplayRailway guns can be captured and damaged through encirclement and damage to their railways.
SteamRailway Gun Movement and DeploymentgameplayRailway guns can only move to provinces with railways and can be attached to armies for support.
SteamUnique Railway Gun Models for Major PowersvisualsDistinct railway gun models for Germany, USA, France, and others have been added.
Steam - 5 eventsResearchable Train Variantsnew content
Players can now research different variants of trains, including armored trains that are more resistant to air attacks.
SteamIntroduction of Trains to Logistics Systemnew contentMilestoneTrains are now a core component of the logistics network, essential for supplying troops beyond local state supply.
SteamRemoval of Train Priority SettinggameplayThe train priority setting for supply nodes has been removed due to simulation issues.
SteamLogistics Strike Mission AddedgameplayMilestoneNew logistics strike mission for CAS and bombers to target enemy supply networks, destroying trains and damaging railways.
SteamChanges to Hub to Province Supply DistributiongameplayAdjustments made to how supply is distributed from hubs to divisions, including the removal of penalties based on weather and terrain.
Steam - 7 eventsChange in Game DirectorchangesMilestone
Peter takes over as game director from Dan, with plans for future development.
SteamWeather 2.0 ImplementationgameplayIntroduced changes to how weather affects gameplay, including org loss from movement and supply consumption.
SteamNew Ground Conditions EffectsgameplayGround conditions now affect org loss on moving divisions, especially in adverse conditions.
SteamGraphical Encircled Unit IconsvisualsAdded animations for destroyed encircled divisions to provide feedback.
SteamEquipment Management by Division Templatenew contentNew feature allowing management of specific equipment usage by division template.
SteamUpdated Weather EffectsvisualsVisual improvements to weather effects on the map for better clarity and reaction time.
SteamAllied Construction FeaturegameplayIntroduced the ability to build certain buildings in the territory of faction members.
Steam - 5 eventsNew Formable Nationsnew content
Introduction of new formable nations for the releasable countries.
SteamSupport of the Orthodox Churchnew contentNew decisions to gain support from the Orthodox Church to undermine communist support.
SteamSoviet Union Focus Tree Expansionnew contentMilestoneIntroduction of new branches for the Soviet Union focus tree, including non-Communist paths.
SteamNew Releasable Countriesnew contentAddition of new releasable countries from the USSR, including SSRs and Okrugs.
SteamCivil War Preparation Mechanicsnew contentNew mechanics for preparing for a civil war, including obtaining equipment and spreading influence.
Steam - 5 eventsSoviet Union Opposition Pathsnew contentMilestone
Introduction of alternative communist branches focusing on Trotsky and Bukharin's opposition to Stalin.
SteamCivil War Mechanics OverviewgameplayMilestoneNew mechanics for initiating and managing a civil war within the Soviet Union, similar to the Spanish Civil War.
SteamPost-Civil War DecisionsgameplayMilestoneNew decisions available after defeating Stalin, including decentralization and leadership changes.
SteamInfiltration OptionsgameplayPlayers can infiltrate military and NKVD to gain advantages in the civil war.
SteamAssassination MechanicgameplayOption to attempt to assassinate Stalin if the Right Opposition path is chosen.
Steam - 12 eventsIntroduction of COMECON Focusnew content
Completing the focus 'Found the COMECON' will unlock a decision system to aid allies.
SteamLocking of Third Five Year Plan FocusesgameplayFocuses related to the Third Five Year Plan will be locked once the Soviet Union enters a war against a major country.
SteamChanges to Generals Rosternew contentPlayers will start with the first five Marshals of the Soviet Union, with Kulik demoted to General and a new cavalry-specialized general introduced.
SteamAirforce Branch Introductionnew contentNew focuses related to the Soviet Airforce have been added, reflecting historical challenges.
SteamUnlocking of Fourth Five Year Plannew contentCompleting Restoration and Development after a peace conference will unlock access to the Fourth Five Year Plan.
SteamReduced Initial War Support for Soviet Unionbalance changeInitial War Support has been significantly reduced to make it harder to achieve War Economy early on.
SteamReworked Soviet Focus Treenew contentMilestoneA new Soviet focus tree has been introduced, offering a more flavorful and historically-accurate experience.
SteamIntroduction of Five Year Plansnew contentMilestoneThe Soviet industrial branch features the Second and Third Five Year Plans, impacting gameplay and national spirits.
SteamNew Research Slot from USSR Academy of Sciencesnew contentThe first focus grants a research slot and a bonus to research speed.
SteamNew Advisor Roster for Stalinnew contentThe advisor roster has been greatly expanded, including Genrikh Yagoda as a starting advisor.
SteamExpanded National Spirits for Soviet Unionnew contentThe number of starting National Spirits has increased, including 'Home of the Revolution' and 'Trotskyite Plot'.
Steam - 5 eventsSupply Capital Relocationgameplay
Players can move their supply capital to a new location to avoid being cut off, with a temporary supply penalty.
SteamControl of Allied Access to Supply NodesgameplayNew options to control allied access to supply nodes to manage front lines more effectively.
SteamMotorization Level AdjustmentgameplayPlayers can now set motorization levels for hubs and armies to enhance supply range.
SteamSupply System UpdategameplayMilestoneMajor overhaul of the supply system allowing divisions to supply from multiple hubs and improved supply flow visualization.
SteamIntroduction of Floating Harborsnew contentMilestoneNew floating harbors can be constructed for naval invasions, providing temporary supply hubs.
Steam - 4 eventsPreferred Tactics Featurenew contentMilestone
New feature to influence the likelihood of specific tactics being used in combat, enhancing strategic options.
SteamAcademy Spirits for Tailored Commandersnew contentMilestoneNew academy spirits allow players to generate commanders with specific personality traits and help them progress in desired directions.
SteamCombat Effect Level Spiritsnew contentMilestoneNew spirits that improve specific parts of units to match strategies and allow historical moves like using capital ships as surface raiders.
SteamIntroduction of Officer Corps Spiritsnew contentMilestoneNew feature allowing players to specialise their military branches with Officer Corps Spirits that provide various bonuses.
Steam - 5 eventsExperience Generation Changesbalance changeMilestone
All military advisors will now generate experience appropriate to their branch, with adjustments to experience from combat.
SteamAdvisor Promotion SystemgameplayMilestoneGenerals and Field Marshals can now be assigned advisory roles in addition to their command duties.
SteamIntroduction of Officer Corpsnew contentMilestoneA collection of new features including a unique national interface for military branches.
SteamBranch Experience UsagegameplayDoctrines will now be unlocked by spending branch experience instead of being accessed through the technology window.
SteamNew Advisor Interfaceui uxAdvisor portraits for High Command and Military Theorists have been relocated to a new interface.
Steam - 5 eventsColorized Infrastructure Bonusesquality of life
Infrastructure bonus indicators are now colorized for easier identification of the best states.
SteamDecommissioned Templates Featurequality of lifePlayers can now mark templates as old, preventing them from showing in the list while still allowing divisions to use them with a warning.
SteamArmy List Controls Enhancementquality of lifeAdded various controls to the army list for easier sorting and selection.
SteamLend Lease Interface Improvementquality of lifeA new button added to the lend lease interface allows players to send their entire stockpile more easily.
SteamWar Join Spam Reductionquality of lifeMilestoneReduced the number of pop-up messages when multiple nations join a war, improving the gameplay experience.
Steam - 4 eventsEastern Front Planes Pack Releaseddlc releaseMilestone
Over 50 new airplane models for nations fighting in central and eastern Europe.
SteamImmersion Bundle Releaseddlc releaseMilestoneIncludes various cosmetic touches for visual and audio detail.
SteamMobilization Bundle Updateddlc releaseUpdated to include all available Hearts of Iron IV expansions.
SteamEastern Front Music Pack Releaseddlc releaseMilestone13 new music tracks including the Soviet National Anthem and Lili Marlene.
Steam - 9 eventsEastern Front Music Packnew content
A new radio pack themed around the countries fighting on the eastern front with 13 tracks including The Soviet National Anthem.
SteamJosé Díaz Portrait Fixbug fixJosé Díaz portrait should now work in all combinations of DLCs, alternate universes, etc.
SteamPortuguese Unit Voice-over AddedaudioAdded Portuguese unit voice-over for La Résistance owners.
SteamControl Garrison Template EquipmentgameplayPlayers can now control the equipment of garrison templates like with other templates.
SteamNew CAS Attack AnimationvisualsAdded a new animation to CAS attacks to enhance visual appeal on the battlefield.
SteamEastern Front Planes Packnew contentVarious planes of different types for Germany, Soviet, Poland, Hungary, Romania and Yugoslavia. 54 planes in total.
SteamTom Moore Military Leader Addednew contentAdded Tom Moore as a military leader for Britain, complete with a jungle trait.
Steam - 7 eventsAI Stability ImprovementsaiMilestone
The expansion aims to improve AI stability, particularly for the Soviet Union.
SteamAnnouncement of No Step Back Expansiondlc releaseMilestoneThe next big expansion named 'No Step Back' was announced, focusing on the Soviet Union and the eastern front.
SteamOnboarding Improvements for New Playersquality of lifePlans to improve onboarding and tutorials for new players to enhance their experience.
SteamUpdated Visuals for Supply SystemvisualsTeaser visuals for the updated supply system were shown, indicating improvements in gameplay.
SteamIntroduction of Railway Gunsnew contentNew unit type 'Railway Guns' will be added, functioning like naval bombardment support.
SteamFocus on Land Warfare and LogisticsgameplayMilestoneThe expansion will refresh land warfare and logistics systems, including a new partisan system.
SteamFuture Focus on Smaller DLCs and Free Updatesquality of lifeThe development team plans to focus on smaller DLCs and free updates for better game flavor.
Steam - 5 eventsLatvia's Political Focus Treenew contentMilestone
Introduced military and civilian government branches with unique decisions and focuses.
SteamEstonia's Political Focus Treenew contentMilestoneIntroduced two starting focuses: Rally the Nation and Era of Silence, with unique gameplay mechanics.
SteamBaltic States' Unique Gameplay Mechanicsnew contentNew mechanics for forming alliances, economic unions, and historical occupation choices.
SteamLithuania's Political Focus Treenew contentMilestoneIntroduced various political focuses including options for appointing a Prime Minister and pursuing external politics.
SteamShared Focuses for Baltic Statesnew contentAll three Baltic states can form the Baltic Entente faction and have access to an exiled government branch.
Steam - 8 eventsPolish Focus Tree Compacting Mechanismquality of life
Implemented a system to automatically compact the Polish focus tree for easier navigation.
SteamCommunism Establishment OptionsgameplayMilestonePlayers can establish communism through war or Soviet intervention, leading to the formation of the United Baltic SSR.
SteamPolish Focus Tree ChangesgameplayChanges made to the Polish focus tree, including the removal of an off-map reactor.
SteamNew Focus Trees for Baltic Statesnew contentMilestoneIntroduction of new focus trees for Latvia, Lithuania, and Estonia in the upcoming expansion.
SteamEconomic Decisions for Baltic StatesgameplayPlayers can choose to rely on democratic nations or Axis powers for economic support.
SteamRearmament and Research DevelopmentgameplayBaltic states can attract workers and develop their research sector to modernize their industry.
SteamKarl Albrecht von Habsburg for Monarchist Polandnew contentMilestoneIntroduction of Karl Albrecht as an option for monarchist Poland with unique traits and branches.
SteamShared Industrial and Communist BranchesgameplayBaltic states will share branches in their focus trees, including industrial and communist political branches.
Steam - 1 eventHearts of Iron IV Event Dateseasonal event
Hearts of Iron IV will participate in the Grand Campaign on 7th May from 12:00 to 22:00 CEST.
Steam - 6 eventsIntroduction of Tank Designer Systemnew contentMilestone
A new system for designing tanks, allowing players to specialize designs based on mobility, firepower, and protection.
SteamNew Engine Types and Their EffectsgameplayMilestoneIntroduction of various engine types, including gasoline, diesel, electric hybrid, and gas turbines, each with unique benefits.
SteamAddition of 1000 New 2D Icons for Tank DesignsvisualsNew visual icons for tank designs to make them more distinct in the production view.
SteamChanges to Reliability and Armor SystemsgameplayMilestoneReliability will affect both breakdown likelihood and repair effort, while the armor system will become less binary.
SteamAuto-Design and Auto-Upgrade Featuresquality of lifeNew automation features for tank design, allowing players to auto-design and auto-upgrade tanks based on research.
SteamSpecial Modules for Tank DesignsgameplayMilestoneAddition of special modules like radios, smoke launchers, and amphibious drives to enhance tank functionality.
Steam - 7 eventsOffmap Nuclear Reactornew content
Poland can now gain an offmap nuclear reactor that produces one nuke per year.
SteamNew Political Paths for Polandnew contentMilestonePoland gains new political paths including monarchist, socialist, and fascist options.
SteamRegency Council Focusnew contentMilestonePoland can now assemble a Regency Council and choose from three claimants to the throne.
SteamPeasants' Strike Focusnew contentMilestonePlayers can now initiate the Peasants' Strike to restore democracy or embrace communism in Poland.
SteamGovernments in Exile Featurenew contentMilestonePoland can now manage a government in exile, gaining unique leaders and bonuses.
SteamWarsaw Uprising Operationnew contentMilestoneCompleting the Warsaw Uprising operation triggers the uprising sooner than usual.
SteamMastermind Codebreaker Advisornew contentPoland gains access to the Mastermind Codebreaker advisor, Marian Rejewski.
Steam - 11 eventsPeasant's Strike Mechanicgameplay
Failure to enact agricultural reform may lead to a peasant's strike, impacting stability and industry.
SteamDanzig's DemilitarizationgameplayDanzig is represented as a demilitarized zone, affecting Poland's access to resources and manpower.
SteamAlign With the West FocusgameplayNew focus allows Poland to join the Allies, maintaining historical accuracy.
SteamIntermarium AmbitiongameplayNew ambition allows Poland to create a major alliance if they are a faction leader and have a large army.
SteamBaltic Alliance Path for Sanation LeftgameplayExpanded focus path for the Sanation Left to gain alliances with Baltic states and Czechoslovakia.
SteamPoland Focus Tree Rework - Part 1new contentMilestoneIntroduction of a reworked focus tree for Poland as part of the upcoming Barbarossa patch.
SteamHistorical Political Focus BranchgameplayA new political focus branch allows players to navigate factionalism within Poland's dictatorship.
SteamExpanded Industrial BranchgameplayThe industrial branch now includes more focuses that grant extra factories and bonuses, improving factory acquisition.
SteamPlan West and Plan East FocusesgameplayPlayers can start military preparations earlier, but must complete one plan before starting the other.
SteamPolish Revanchism BranchgameplayExpanded focus branch for the Sanation Right, allowing for the annexation of Lithuania and restoration of the Commonwealth.
SteamEmbargoed Economy Trade LawgameplayPoland starts with the 'Embargoed Economy' trade law, limiting trade until certain conditions are met.
Steam - 1 eventRoad to PDXCON: Grand Campaignseasonal event
Join the teams of Crusader Kings III, Europa Universalis IV, Hearts of Iron IV and Stellaris for the largest event this side of PDXCON Remixed.
Steam - 6 eventsIntroduction of New Supply SystemgameplayMilestone
A new supply system focusing on railways and trucks to enhance logistics and player interaction.
SteamRivers as Supply RoutesgameplayMilestoneRivers will function like basic railroads for supply transport, needing control of both banks.
SteamSupply Hubs MechanicgameplayMilestoneSupply is now drawn from Supply Hubs, which include cities and naval bases, linked to the network.
SteamWeather and Terrain Effectsbalance changeMilestoneWeather and terrain will now significantly impact supply flow and logistics.
SteamLogistics Impact on Combatbalance changeMilestoneLogistics will play a more critical role in planning campaigns, affecting combat strategies.
SteamCapturable RailwaysgameplayMilestoneRailways can now be captured to supply troops, requiring control of railway hubs.
Steam - 5 eventsBrethren Court SystemgameplayMilestone
A new system where admirals serve as military leaders in the pirate state, affecting naval composition and loyalty.
SteamEconomy 2.0 for MaltagameplayMilestoneMalta now starts as a proper colony of the UK, requiring sandstone for construction and establishing shipping lanes.
SteamVertical Building MechanicsgameplayMilestonePlayers can now build vertically in Malta, with multiple levels and unique focuses for each level.
SteamIntroduction of Pirate State Mechanicsnew contentMilestonePlayers can transform Malta into a pirate state, gaining unique naval mechanics and gameplay options.
SteamMalta Focus Tree Introductionnew contentMilestoneA new focus tree specifically for Malta has been introduced, allowing players to explore unique gameplay mechanics.
Steam - 1 eventMasters of the Mediterranean Multiplayer Eventseasonal event
Join the Hearts of Iron team for a multiplayer clash over who can call themselves truly 'the Masters of the Mediterranean' on 10th and 11th March.
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