Old World update 1.0.78315 is now rolling out on PC (Steam). According to the official Old World patch notes, the latest update 1.0.78315 added quality of life improvements and gameplay optimizations.
Since the last patch, players are facing a number of problems with the game. Today’s Old World patch 1.0.78315 will fix a few of these issues.
Check out more details below.
Old World Patch 1.0.78315 Notes – June 13, 2025
Design
- Cleric family now gets free Divine Rule law on founding
- Cleric seats have double speed Disciples only for State Religion and can only build Christian and Manicheist Disciples without the religion being present
- Tribe-owned units no longer get a strength modifier against other tribes at strong and raging tribe levels
- Regents now become Royal if they usurp the throne or continue ruling after the rightful heir’s death
- Persia’s Shapur dynasty gets the Found Religion project (Wonders and Dynasties)
- Rising Stars are now less common and ask to become a Grand Vizier less (Behind the Throne)
Programming
- Improved AI valuation of Disciples and Religions
- AI now uses Cleric seat ability to build disciples of non-present religions
- AI checks whether a city can have an effect from resources before building a project that gives that same effect (i.e. Riders Import Horses)
- AI knows to use units that do not require orders when it’s out of orders
- UI mod files (UI/includes and UI/styles) are excluded from game CRC
- Added UI/templates to UI modding paths
UI
- Valid unit types now listed for ‘New units start with <promotion>’ helptext
- Improved luxury tooltip positioning
- Removed tile raw yield from the city net yield tooltip
- Added min height for OK button on turn summary popup
- Scripted tutorial events blur the background UI, preventing events being bypassed
- Added strength/weakness icons to concept links
- Improved Riders ‘Import Resource’ project helptext
Bugs Fixed
- Fixed event job forcing not always working
- Fixed trade breakdown tooltip
- Fixed governor marker showing in city widget for No Characters
- Fixes to the Old World premade map – re-added dynasty start positions and fixed empty tiles warning
- Fixes to the Punic Duel premade map – removed underwater trees and fixed missing city name
- Fixed border expansion preview not updating after changes in player decision queue
- Fixed Stele placement not being restricted to chosen city
- Fixed a bug with AI unit effect evaluation
- Fixed Game.canStartOccurrence modifying the game state
- Fixed players being unable to surrender in MP games when they are the last active human player
- Fixed events checking for mutual attraction selecting divorced spouses
- Fixed incorrect amount of orders when ending the turn without founding a city
- Fixed temporarily impassable tiles getting counted for minor city creation
- Text and event fixes
Download Old World update 1.0.78315 on PC.
