Patch 1.2.5 focuses on stability improvements, RAM optimization for diplomacy, and critical bug fixes including a crash when forming the HRE.

Europa Universalis V
Use war, trade or diplomacy to satisfy your grandest ambitions and dominate five centuries of history in the newest version of Europa Universalis, Paradox Interactive's flagship historical grand strategy game.
Power trajectory
Net buffs minus nerfs over time. Up = the game is being buffed overall, down = nerfed.
Latest patches
Buffs, nerfs, bug fixes & updates at a glance — click a row to jump to that subject
Hotfix 1.2.3 focuses on diplomacy AI and military unit fixes, while including a significant addendum of bureaucracy balance changes and event adjustments from version 1.2.2.
- Thématamanpower—→Increased
Increased manpower and levy size, and added monthly army tradition to the Thémata bureaucracy.
- Books of the Basilikámonthly legitimacy0→Added
Added a small monthly legitimacy bonus to the Books of the Basiliká bureaucracy.
- Romanitasintegration speed—→Increased
Improved integration speed, added monthly legitimacy and cultural influence, and removed antagonism penalties.
- Latin Culturekindred opinionNeutral→Positive
Latin and Greek cultures now start with kindred opinion of each other.
- Ritualistic Courtannexation speed—→Reduced
Reduced annexation speed and cultural influence in the positive modifier for Ritualistic Court bureaucracy.
- Kephalaiestate enrichment penalty—→Increased
Increased estate enrichment and non-rural prosperity penalties in the negative modifier for Kephalai bureaucracy.
- Imperial Senateparliament duration—→Reduced
Reduced parliament duration and base support for the Imperial Senate bureaucracy.
- ByzantiumA Powerful DespotStrumica annexationManual/Event→Immediate
Adjusted the 'A Powerful Despot' event chain so Strumica is immediately annexed if Serbia wins it.
- Enforce LandfriedeAI weighting—→Improved
The Enforce Landfriede diplomatic action now has proper AI weighting and can be declined, potentially leading to war with the Emperor.
- Exiles Eventfire conditionAny→Pop > 18k population
The 'Exiles' event no longer fires if the origin country has under 18k population and locations have less than 12k population.
Hotfix 1.2.1 focuses on critical multiplayer connectivity fixes, performance improvements for location panels, and unit availability logic for Roman/Byzantine states.
- UILocation Panelperformance
Fixed a significant FPS drop that occurred when opening location screens, particularly for locations not owned by the player.
- AITown Specializationstability
Fixed a Crash-to-Desktop (CTD) issue related to AI specializing towns.
- MultiplayerDLC compatibility
Fixed a bug preventing players from joining or hosting games if there was a mismatch in ownership of the Sacred Sites DLC.
- Multiplayersync
Implemented various Out-of-Sync (OOS) fixes to improve multiplayer stability.
- Legionariesunlock requirement
Reworked unlock and allowance gates to ensure players don't lose access to these units simultaneously with Cataphracts based on Societal Value directions.
- Cataphractsunlock requirement
Reworked unlock and allowance gates to prevent blind spots where both Cataphracts and Legionaries were unavailable.
Hotfix 1.1.10 focuses on critical stability fixes for bankruptcy and troop spawning, a significant combat nerf to professional units, and river network reworks for better proximity spread.
- Diplomacywar labels
Fixed incorrect labeling of war declarations as independence wars when the objective was unrelated to overlords.
- Leviestroop count
Fixed a bug where levies remained attached to population groups after becoming invalid, preventing infinite troop generation.
- Economybuilding removal
Fixed an issue where level 0 buildings persisted, which previously caused infinite loops during national bankruptcy.
- Portraitsestate hover
Fixed a crash occurring when hovering over estates without disenfranchisement data.
Hotfix 1.0.11 addresses critical issues regarding court character generation and AI culture assimilation calculations.
Hotfix 1.0.9 focuses on stability improvements, primarily addressing several crash-to-desktop (CTD) issues and a game-over bug for non-settled countries.
What got changed
Click a row to filter the cards below
Heroes & subjects
Click a card to see its full timeline + per-ability breakdown
- ⚙️+2/-0▲ +27mo ago
System Stability
GeneralStability · Crash · EngineSignificant reduction in game-breaking crashes and memory leaks.
- ⚙️+1/-0▲ +11mo ago
General
GeneralSystem · Stability · EngineSignificant improvement in game stability and crash reduction.
- ⚙️+1/-0▲ +11mo ago
Diplomacy
GeneralPerformance · Optimization · WarBetter clarity on war objectives.
- ⚡+1/-0▲ +11mo ago
Varangian Units
SkillMilitary · UnitsCorrected visibility and availability of specialized units.
- ⚙️+0/-1▼ -11mo ago
Ritualistic Court
GeneralGovernment · BureaucracySlower expansion and cultural integration.
- ⚙️+0/-1▼ -11mo ago
Kephalai
GeneralGovernment · BureaucracyHarsher economic penalties for the Kephalai system.
- ⚙️+0/-1▼ -11mo ago
Imperial Senate
GeneralGovernment · BureaucracyLess effective and shorter-lived parliamentary sessions.
- ⚙️+1/-0▲ +11mo ago
Thémata
GeneralGovernment · Bureaucracy · MilitarySignificantly improved military capacity and tradition gain.
- ⚙️+1/-0▲ +11mo ago
Books of the Basiliká
GeneralGovernment · BureaucracyEasier maintenance of state legitimacy.
- ⚙️+1/-0▲ +11mo ago
Romanitas
GeneralGovernment · BureaucracyMuch more efficient state integration and stability.
- ⚙️+1/-0▲ +11mo ago
Latin Culture
GeneralSociety · CultureBetter diplomatic starting point between Latin and Greek states.
- 🏆+1/-0▲ +11mo ago
Byzantium
ChampionHero · ByzantiumSmoother territorial acquisition in the Balkan region.
- 🔫+1/-0▲ +12mo ago
Legionaries
WeaponMilitary · Roman · ByzantineMore consistent unit availability for Roman/Byzantine tags.
- 🔫+1/-0▲ +12mo ago
Cataphracts
WeaponMilitary · Roman · ByzantineMore consistent unit availability for Roman/Byzantine tags.
- ⚙️+1/-0▲ +12mo ago
UI
GeneralPerformance · UXSmoother navigation when inspecting foreign provinces.
- ⚙️+0/-1▼ -13mo ago
Professional Units
GeneralMilitary · ArmySignificant reduction in combat effectiveness for standing armies.
- ⚙️+1/-0▲ +15mo ago
Court Characters
GeneralDynasty · Court · PopulationImproved dynasty stability and character availability in the late game.
- ⚙️+1/-0▲ +17mo ago
Navies
GeneralNavy · SeaMuch more effective at clearing pirates from trade routes.
- ⚙️+1/-0▲ +17mo ago
Nobles
GeneralEstate · CavalryIncreased military utility in the late game.
- ⚙️+1/-0▲ +17mo ago
Celtic Cultures
GeneralDiplomacy · CultureCorrects broken marriage mechanics for Celtic nations.
- ⚙️+1/-0▲ +17mo ago
Game Settings
GeneralPerformance · SystemPlayers can now trade visual smoothness for faster simulation speeds.
- ⚙️+0/-0≈ 02mo ago
AI
GeneralStability · AI · CultureAI now correctly utilizes culture war modifiers for assimilation.
- ⚙️+0/-0≈ 03mo ago
Levies
GeneralMilitary · Population · ArmyBetter scaling across different eras.
- ⚙️+0/-0≈ 01mo ago
Renovatio Imperii
GeneralHRE · StabilityForming the HRE no longer crashes the game.
- ⚙️+0/-0≈ 01mo ago
Enforce Landfriede
GeneralDiplomacy · HREMore realistic AI interaction and risk of war when enforcing peace.
- ⚙️+0/-0≈ 01mo ago
Exiles Event
GeneralEvents · PopulationProtects small nations from extreme population loss via events.
- ⚙️+0/-0≈ 02mo ago
Multiplayer
GeneralSystem · ConnectivityImproved stability and accessibility for multiplayer sessions.
- 🗺️+0/-0≈ 03mo ago
Map
MapGeography · ProximityBetter logic for proximity spread across global river networks.
- ⚙️+0/-0≈ 03mo ago
Economy
GeneralBuildings · BankruptcyImproved game stability during economic collapse.
- ⚙️+0/-0≈ 03mo ago
Portraits
GeneralVisuals · UIVisual polish and stability for character portraits.
- ⚙️+0/-0≈ 07mo ago
Estate Economies
GeneralEconomy · PopulationsMore stable estate economic interactions.
- ⚙️+0/-0≈ 07mo ago
Trade
GeneralEconomy · TradeTrade costs reverted to a previous stable state.
- ⚙️+0/-0≈ 07mo ago
Food
GeneralEconomy · SustainCorrected food consumption logic.
- ⚙️+0/-0≈ 07mo ago
Antipiracy Warfare
GeneralNaval · CombatFixed application of antipiracy mechanics.
- ⚙️+0/-0≈ 07mo ago
User Interface
GeneralUI · UXImproved visual clarity and alert accuracy.
- ⚙️+0/-0≈ 07mo ago
System
GeneralStability · EngineSignificant improvement in game stability and crash reduction.
- ⚙️+0/-0≈ 07mo ago
Interface Panels
GeneralUI · UXRestored visibility to several critical management tabs.
- ⚙️+0/-0≈ 07mo ago
Russian Localization
GeneralLocalization · RussianImproved clarity and correctness for Russian language players.
Top abilities tweaked
Most-touched abilities across all patches
Recent patches
Most recent 10