NCNS Patch 1.17.1.1

✦AI summary2w

Patch 1.17.1.1 focuses on bug fixes for Chinese warlords, AI naval taskforce management, and corrections to Italian naval focuses.

▲Buffs2

ItalyForza Navale Especiale:The Forza Navale Especiale focus now correctly increases division capacity for naval invasions by 2.→2
Factory 617The MIO trait for Factory 617 now correctly applies its bonuses to Modern Tanks.

✚Bug fixes3

Chinese Warlords
- Approach Japan:Fixed an issue where warlords would not receive the correct decisions after completing the 'Approach Japan' focus.
- Xian Incident:Fixed an edge case where the Xian Incident could trigger incorrectly from warlord decisions if the United Front was formed by the PRC.
JapanThe Chrysanthemum Throne:Fixed a bug where Hirohito would not become the leader if the NCNS DLC was disabled.→Hirohito

◆Other changes1

AIAI will no longer split ships into many tiny taskforces and will now correctly assign taskforces to training during peacetime.

subjects affected (5)

tap to see balance history

Italy1 AI1 Chinese Warlords2 Factory 6171 Japan1

How did this patch land?

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official notes

Hearts of Iron IV · Nov 27, 2025

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Patch history

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