Mercatoria 0.9.0 — the long-overdue update — Mercatoria Steam update #5828471

First things first: sorry for the silence. A mix of personal circumstances and the holiday period meant this took far longer than I wanted, and I should...

Steam App
Mercatoria (4534620)
Event type
patch note
Published
12 September 2026 - 07:34:13 UTC
Source
steam_community_announcements
First things first: sorry for the silence. A mix of personal circumstances and the holiday period meant this took far longer than I wanted, and I should have said something sooner. Thanks to everyone who stuck around. The good news is that the quiet stretch wasn't idle. This is the largest update Mercatoria has had — a lot of it under the hood, where the AI, the economy and the turn engine were doing things they shouldn't. Here's what changed. ## War and diplomacy - Wars no longer stall. A war in which nothing happens now ends on its own, followed by a ceasefire. - The AI no longer declares war on nations it has no way of reaching, and sends its fleet to the enemy its army *can't* walk to. - AI armies no longer stand still after their first move, and reserves actually reach the front. - Peace holds for ten turns — no more re-declaring war the turn after signing. - Relations no longer dec...

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