Crusader Kings III
Steam News 27 January 20263mo ago

Available Now: High Medieval Warfare Attire & Holy Buildings + Update 1.18.3

Hello everyone! Today, we are releasing two new Creator Packs for Crusader Kings III: High Medieval Warfare Attire, created by JedNick and Holy Buildings, created by Kefir úr. On top of that, we're releasing Update 1.18…

Update log

Full Crusader Kings III update

The complete published notes, normalized for clean reading and source attribution.

Repeated intro

Hello everyone!

Extracted changes

8 fixes6 additions8 changes2 removals
  • Gameplay
  • Compatibility
  • Performance
  • Fixes
  • Balance
  • Store
addedToday, we are releasing two new Creator Packs for Crusader Kings III: High Medieval Warfare Attire , created by JedNick and Holy Buildings , created by Kefir úr.
changedOn top of that, we're releasing Update 1.18.3 containing bug fixes from the public beta branch we shared before the holidays. A big thank you goes out to everyone who helped out with testing and providing feedback.
fixedBug FixesFixed a crash related to generating portrait DNA
fixedBug FixesFixed a crash related to invalid situations in the situation-window
changedBug FixesUpdated the liberty faction creation trigger for all administrative governments
fixedBug FixesFixed liberty faction war to always reduce the appropriate law

Today, we are releasing two new Creator Packs for Crusader Kings III: High Medieval Warfare Attire, created by JedNick and Holy Buildings, created by Kefir úr.

On top of that, we're releasing Update 1.18.3 containing bug fixes from the public beta branch we shared before the holidays. A big thank you goes out to everyone who helped out with testing and providing feedback.

Check the changelog below for more information!

Update 1.18.3 Changelog

Bug Fixes

  • Fixed a crash related to generating portrait DNA

  • Fixed a crash related to invalid situations in the situation-window

  • Updated the liberty faction creation trigger for all administrative governments

  • Fixed liberty faction war to always reduce the appropriate law

  • Fixed converting to feudalism as an independent tribal Japanese character sometimes turning you into an Administrative realm

  • Fixed incorrectly displayed requirements for the Found the Empire of Brunei decision

  • Fixed requirements for Farm Estates not allowing construction of level 1 through 4 for cultures with Pastoralists tradition

  • Fixed watermills not unlocking correctly in city holdings for cultures with City Keepers tradition

  • Chinese nobility will no longer use Western trousers

  • Chariots are no longer always stuck in the mud

  • Updated the Withdraw from Governorship decision for Ministers to correctly remove them from the Council

  • Fixed missing treasury payouts for Fertility Effort and Natural Disaster Insurance from Conduct Census Great Project

  • Prevented Ministers from becoming bankrupt from Great Project optional contribution payouts

  • Ensured that the Grand Campaign will complete after a Grand Campaign war is won and there is no title left to conquer

Creator Pack - High Medieval Warfare Attire

  • English Knights Surcoat with three variants (Standard, Late English and Late French)

  • French Gambeson Armor designed for commoners

  • German Coat of Plate

  • 18 new helmet designs

    • France

      • 3 French Kettle Helmets, each with or without chainmail

      • 1 Commoner Cervelliere helmet, with or without chainmail

      • 2 Early French Great Helms

      • 1 Late French Great Helm

    • England

      • 3 Early English Great Helms

      • 1 Late English Great Helm

    • German Lands

      • 1 Early German Great Helm

      • 2 Late German Great Helms

      • 2 Late Swabian Great Helms

      • 1 Banded Chainmail coif

      • 1 Bishop Helmet Crest (for warrior Bishops with Unrelenting)

Creator Pack - Holy Buildings

  • New models for ten regional houses of worships

    • New designs for African, Indian, Persian, Southeast Asian and Turkish mosques

    • New designs for Caucasian and Eastern Slavic Orthodox Christian churches

    • New design for Italian Catholic churches

    • New design for Tibetan stupas

  • New model for Catholic Grand Cathedrals

  • New models for seven significant historical religious sites

    • The University of Sankore in Timbuktu

    • St Peter’s Basilica in Rome

    • Mont-Saint-Michel in Normandy

    • Grand Mosque of Yazd in Central Iran

    • Qutb Minar in Delhi

    • Sanchi Stupa in Madhya Pradesh

    • Boudhanath Stupa in Kathmandu

If you encounter any issues after today's update, then please start a fresh save with no mods enabled and then submit a bug report here if the issue persists. We hope this update improves your experience in the medieval world!

High Medieval Warfare Attire & Holy Buildings are available as standalone DLC or as part of our Community Creations bundle.

[dynamiclink href="https://store.steampowered.com/app/3315560/"]

[dynamiclink href="https://store.steampowered.com/app/3315570/"]

[dynamiclink href="https://store.steampowered.com/bundle/49929/"]

Source

Steam News / 27 January 2026

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