The Guild PostThe Guild PostExpansions, national focus-tree overhauls, and the dev diaries mapping the next patch.
and welcome to the next installment of our 2026 Dev Corners . Your feedback on ideas in early development, including my prior ones on army quality and airborne troops , is very helpful to us. I hope I can benefit from your input once more. As you can likely surmise by the…
Hearts of Iron IV is a trademark of Paradox Interactive AB.
Paradox sketched Industrial Parks, a building tied to a corporation and to the state it sits in, producing only equipment matching its profile and drawing bonuses from local resources. The follow-up answers feedback on the earlier military production diary.
For your guild
Nothing to plan around. No patch, no date, placeholder art, and the diary says twice that names, systems and balance will change. It matters as direction only: factory placement would become a decision rather than a pool.
Three modders working with Paradox showed early focus trees for a future Romania DLC. Romania starts friendly with France and Poland, and focuses that shift its partners unlock decisions built on the International Cooperation mechanic.
For your guild
International Cooperation is meant to be shared across every political branch, so read that part if your group plays multiplayer campaigns. Paradox says nothing is finalised and is collecting feedback now, including on its upkeep cost.
The second summer open beta update swaps the threading libraries for modern multi-core processors and hardens multiplayer host operations such as kicking and banning, after players reported the old ones being abused.
For your guild
The host-control hardening is the part for groups running their own games. If a multiplayer night has been broken up by someone abusing kick or ban, put one test session on the open_beta branch and report back while Paradox is still collecting reports.
The Guild Post gathers the latest Hearts of Iron IV news from Paradox and the wider community into one page — patch notes, updates, and announcements as they publish, each linking back to the original source. Expansions, national focus-tree overhauls, and the dev diaries mapping the next patch.
For Hearts of Iron IV guilds
Running a Hearts of Iron IV guild? Guild Order gives your clan its own website: roster, events, and forums in one place.
