Old World September Update

Main Branch 1.0.84658 release 2026-09-09

Headline changes

• Polybolos now have +50% attack (was +50% attack vs Ranged)

• Forts cannot be adjacent to other Forts

• AI builds fewer Militia, Conscripts and obsolete units

Design

• Polybolos now have +50% attack (was +50% attack vs Ranged)

• Forts cannot be adjacent to other Forts

• Increased defensive modifier of Garrison/Stronghold/Citadel by 10%

• Reduced culture from Ambassador and science from Spymaster. Adjusted Chancellor Money and Civics.

• Swapped base ratings for Schemers and Scholars

• Tribal units no longer move if they have been previously moved by their ally on that turn

• Tribal units no longer retreat to their settlement when closer to allied territory

• Increased water margin at map edges for some mirrored map scripts, to ensure both sides have a water pass

• Lowered The Gatherer and The Resourceful cognomen levels (from 30/50 legitimacy to 20/40) and values (300/100 for harvest/chop to 200/50) (Empires of the Indus)

Programming

• AI builds fewer Militia, Conscripts and obsolete units

• AI places a lower priority on attacking expansion targets if it's short on orders

• AI always guards city sites even when it believes no other player is nearby

• Added some Mac crash debugging

UI

• Improved display of rivers on tundra tiles

• Added Pillaged filter for Improvements in Map Search

• Unit type help improvement

• Cut down on character life event announcements

• Random traits and ratings are now only shown in the turn summary for the leader and the heir

• Religion conversions are only shown for leader, heir, family heads and the first character to convert after founding

• Hovering on timeline shows year at hovered position instead of currently displayed year

• Add Urban / Road ping tooltip improvements

• Legacy helptext adjustment

• Added reign time to character help for former leaders

Bugs Fixed

• Fixed conquest games as Tamilakam sometimes not getting marked as completed

• Fixed hotseat surrender issue

• Fixed point mirrored Coastal Rain Basin and Arid Plateau map scripts sometimes not generating enough mountains, leading to strange river generation

• Fixed missing religion opinion details on city happiness/discontent helptext

• Fixed trashed UU tech cards being placed on the discard pile on culture growth

• Fixed some client null reference exceptions

• Fixed cognomen help null reference

• Fixed tooltip buy costs

• Fixed unit consumption link always showing the active player's unit breakdown

• Fixed minimap ping placement

• Fixed player alliance ambitions being offered in games with 1 or 2 teams

• Fixed some heir and leader assassination achievement issues

• Fixed religion context menus not being clickable in some situations

• Fixed city effects sometimes being counted twice in previews and helptext

• Fixed text issue with abdicate mission helptext

• Fixed some bugs with AI movement

• Fixed loading save with no settlement improvement on a city site

• Fixed cycling through Map Search results

• Fixed team alliance contact inconsistencies

• Fixed unlimber audio overriding subsequent selections

• Possible fix for some UI system issues

• Fixed building improvements over jungle not granting cut jungle achievement (Empires of the Indus)

• Fixed text in Rise of Carthage scenario 2

Steam Reviews: Your Feedback Matters

We're always looking at your thoughts and feedback when it comes to developing these patches. We'd love it if you took the time to share your thoughts -- however long or brief -- in a Steam review. We'll continue working hard on Old World for all of you!

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