
🛠️ Age of History III update history
Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.
October 2026
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10/2Fri📢 AnnouncementNew Game Value: Inner Province Border Thickness
New game value added to allow increasing the thickness of inner province borders. File: game/gameValues/GV_Province.json INNER_PROVINCE_BORDER_THICKNESS: 1, Increase the value to make inner province b…
August 2026
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8/2Sun📢 AnnouncementIncorporate Vassal - New Diplomacy Action
Added a new diplomatic action: Incorporate Vassal. Spend Gold to begin incorporating your vassal. Provinces will be annexed gradually as long as relations remain favorable. Features: Added a new Incor…
May 2026
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5/2Sat🛠️ Patch / updateGold Advantage Balance
Gold Advantage Balance Reduced the strength of the Civilization advantage "Gold" Reduced values from 150/200/300 to 30/40/50. It provided too much of an advantage and was almost always chosen. Map Pro…
April 2026
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4/24Fri📢 AnnouncementNuclear Restrictions & Scenario Editor Improvements
Nukes restricted to top 14 Civilizations Nuclear weapons can only be built by the top ranked Civilizations. You can change the limit By default, only the top 14 civilizations can build nukes. This num…
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4/1Wed🎉 EventsNew White Peace Event Outcome Added
New event outcomes It is now possible to have a white peace outcome. ## The civilization will sign a white peace with all civilizations it is at war with. white_peace=pol ## White peace between two se…
March 2026
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3/31Tue📢 AnnouncementAdd Civilizations Before Game Start
Add Civilizations Before Game Start Add new Civilizations to a scenario before starting a game without using the scenario editor, letting you jump straight into gameplay with your chosen setup. A feat…
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3/30Mon🛠️ Patch / updateBug Fixes, Beta multiplayer and New Debug Launch Option
Bug Fixes Fixed a bug from the last update where unions were always accepted and formable civilizations could always be created. Added a new launch option, game_debug.bat, to the game files. It opens …
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3/25Wed🛠️ Patch / updateBalance Changes & Bug Fixes
Balance Balances technology in the capital city Recruitment of all units takes less time Bug Fixes Fixes a bug with religions when using some mods Fixes a bug where scenarios can disappear when the ga…
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3/17Tue🛠️ Patch / updateBalance & Bug Fix Update
Bug Fixes Fixed fog of war bug after forming a Union. New A province must be occupied to take it in a peace treaty if "Take provinces from anyone in peace treaties" is activated. Balance Gifts are now…
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3/15Sun📢 AnnouncementNation Templates, Scenario Editor, Release any Civilization as a Vassal
Civilization Templates Civilization Templates allow you to assign all provinces to a civilization with a single click, based on a pre-generated historical time period for that Civilization. To generat…
August 2025
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8/18Mon📢 AnnouncementHost Diplomatic Summit - Diplomacy
The last great summit between two world powers showed how dialogue, even among rivals, can open the door to easing tensions and finding common ground. Now, civilizations can pursue that same path thro…
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8/7Thu🛠️ Patch / updateUnion Fixes
Union Fixes When creating a union with a special alliance like the HRE, the civilization will now be added to the alliance if it wasn't already a member. If a union is created with the Emperor or the …
July 2025
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7/29Tue
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7/28Mon🛠️ Patch / updateOptimization Update
Small Optimization Update, but with noticeable improvements, possibly even significantly reducing RAM usage during long play sessions.
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7/26Sat📢 AnnouncementUnion Improvements
Union Improvements When a union is formed, the vassals of the second Civilization are now transferred to the union leader. The union leader will now gain cores on all provinces that join the union.
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.