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Latest Hearts of Iron IV updates
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- Hearts of Iron IV
War Effort - Operation Capital [1.12.8 OPEN BETA]
Hello there Generals! We have begun the final preparations for Operation Capital, and we now reveal our plans for you all! Below you will find a set of patch notes that are now live on an open beta branch. Feel free to…
- Hearts of Iron IV
War Effort - Operation Source [1.12.7 - Checksum b738]
Hello there Generals! The War Effort Continues with Operation Source! Today's operation has set sail with new focuses, balance changes and of course bug fixes! We now sail towards a new operation, which we will be shari…
- Hearts of Iron IV
War Effort - Operation Tungsten [1.12.6 - Checksum a6ba]
Greetings all! As I indicated a few weeks ago with the launch of the open beta for 1.12.6, the Hoi4 War Effort initiative is well underway. To recap, this will take the form of a consistent series of monthly updates con…
- Hearts of Iron IV
War Effort Patches | Open Beta
Greetings all! Shortly, we'll be releasing the first of our slightly revamped monthly updates in the BBA cycle, which we're terming 'War Effort' patches. This is to distinguish between hotfix material and major updates,…
- Hearts of Iron IV
Avalanche 1.12.5 - By Blood Alone - Checksum 18aa
Hello there Generals! Another update has arrived, and this is a big one! Today we release 1.12.5, that targets some of your most pressing concerns. But there is more! As we have a plan in the works to release monthly up…
- Hearts of Iron IV
Avalanche 1.12.4 - By Blood Alone - Checksum f96e
Hello there Generals! Another update has arrived! Today we release 1.12.4. But we are working on a larger patch that will target some of your concerns about By Blood Alone, and itl have a slightly extended open beta tha…
- Hearts of Iron IV
Developer Diary | Post-Release
Greetings all, Today we’ll be casting an analytical eye over the release of BBA, what players have been up to, and what the immediate plans are going forward. It wouldn’t be a traditional post-release diary without look…
- Hearts of Iron IV
Avalanche 1.12.3 - By Blood Alone - Checksum 6b16
Hello there Generals! Another update has arrived! Bringing many requested balance changes as well as bug fixes! This patch will go live on steam right now! And itl go live on Microsoft Store next week, so if you update,…
Small Update / Patch Notes - Hearts of Iron IV
Avalanche 1.12.2 - By Blood Alone - Checksum e45c
Hello there Generals! We are excited to be able to share with you the patch notes for today's patch! This patch was planned for day 7, but we were able to get it to you on steam a bit early, and just in time for the wee…
Small Update / Patch Notes - Hearts of Iron IV
Open Beta & Game Assistance | Hearts of Iron IV: By Blood Alone
Hello there generals! You might have already seen two forum posts made by our Game Director and Tech Lead, about how to assist you with common issues. I have made this post to cover all of that in one single place, and…
- Hearts of Iron IV
Release! | Hearts of Iron IV: By Blood Alone
Now Live! Patch Notes Here! The future of war hangs in the balance. Take to the skies and pen the annals of history in the latest expansion for Hearts of Iron IV - By Blood Alone Buy it here! If you missed any of our De…
- Hearts of Iron IV
Avalanche 1.12.1 - By Blood Alone - Checksum 45c2
Greetings all, As is tradition, we’re releasing the upcoming patch notes for the Avalanche update along with By Blood Alone ahead of the time with release later today. Undoubtedly there may be some missing items here, a…
- Hearts of Iron IV
Developer Diary | Art & Achievements
Hello, and welcome to this week's Dev Diary! I am HOI’s 2D artist and am the one who makes the little buttons, icons, and whatever gets thrown in my way for you to look at and push on, and today I have gotten the opport…
- Hearts of Iron IV
Developer Diary | Tech
Bonjour friends, it’s your favourite Tech Lead again! Last year already I wrote to you in the final weeks leading to the release of the Barbarossa patch, and we draw close to the go-live of the Avalanche patch, here I a…
- Hearts of Iron IV
Hearts of Iron IV: By Blood Alone | Feature Highlights | #3
Today we go to the drawing board and the planning table as we take a look at the Divisional Command changes as well as the Plane designer with Peter Nicholson and Gabriel Blum. Click Here to watch the Features Highlight…
- Hearts of Iron IV
Developer Diary | Modding
Greetings all, Today we have quite a number of items for the dev diary. We’ll be covering some new additions to the career profile system, followed by some new tools coming for modders in the Avalanche update. To begin…

