Update history
Latest Hearts of Iron IV updates
Search patches, hotfixes, and dev posts. Load more to keep browsing the timeline.
Browse updates
Published changes
Search updates. Filter by source or date. Open any row for the full patch notes, or load more to continue the timeline.
- Hearts of Iron IV
Developer Corner | Military Industrial Orgs.
Greetings all! Today marks the first occasion since the release of By Blood Alone where we take a deeper look into what is coming next. As you may recall from the BBA development cycle, we had an early set of 'Developme…
- Hearts of Iron IV
Choose Our Next DLC Bundle! [Poll Closed]
[Poll Closed] Thank you for all of your submissions, we will soon release what the results were! Generals! Following the popularity of our Homeland bundle, we're giving YOU the opportunity to pick our next DLC bundle to…
- Hearts of Iron IV
War Effort - Operation Cockpit [1.12.12 - Checksum a266]
Hello Generals, Katten here. Operation Cockpit has arrived! With an additional change to the Anschluss focus in Germany and a message from our Game Designer C0rax explaining the intent behind recent balancing! Below tha…
- Hearts of Iron IV
War Effort - Operation Cockpit [1.12.12 OPEN BETA]
Hello there Generals! We have begun the final preparations for Operation Cockpit! Below you will find a set of patch notes that are now live on an open beta branch. Feel free to give us feedback on these planned changes…
- Hearts of Iron IV
Developer Diary | The Future of Hearts of Iron
Hello there everyone, I’m sure you can guess who it is, it's me, C0RAX. So let me clue you in, I know it's been a while since our last update but this one will be worth it, I promise!! We have been working tirelessly to…
- Hearts of Iron IV
Spring Sale & HOMELAND Bundle! - [Sale ended March 23rd]
Sale ended March 23rd Generals! Info from the front lines shows that the Steam Spring Sale is operating massive discounts up to 75% on everything Hearts of Iron! Discounts on top of discounts for you to get the DLCs you…
- Hearts of Iron IV
War Effort - Operation Pike Patch 1.12.11 [Checksum 92f5]
Generals! Operation Pike is rolling out with plenty of new bug fixes, Modding Support, Balance Tweaks and changes for our Canadian comrades in the North! The patch will be live on Steam today, but the Microsoft patch is…
- Hearts of Iron IV
War Effort - Operation Pike Open Beta [1.12.11] Checksum 66ce
Generals! With the beginnings of March comes a new open beta from our glorious factory! With this patch comes quite a few bugfixes, some gameplay tweaks, added features, and a special addition for our Canadian Comrades!…
- Hearts of Iron IV
Operation Sabre Patch 1.12.10 [Checksum - 0f26]
Generals! With Operation Sabre comes plenty of new bugfixes, some attention towards Bulgaria and Romania, and the portions to your Career Profiles we outlined in our Previous Developer Diary Listed below are all the cha…
- Hearts of Iron IV
War Effort - Open Beta & Developer Diary! [1.12.10]
Hello, Ingevar is here with news about Career Profile, if you're just looking for patch notes, scroll down to find them at the bottom, but let's get into things! More stats and Awards We were happy to see that a lot of…
- Hearts of Iron IV
1.12.9 Hotfix Patch
Hello there Generals! ################################################################ ######## Hotfix 1.12.9 "Avalanche" ######### Checksum: 7c58 ################################################################ #######…
- Hearts of Iron IV
War Effort - Operation Capital [1.12.8 - Checksum 9d51]
Greetings Generals and Happy New Year! To continue with the War Effort here are the latest patch notes for Operation Capital, including QoL updates, balance changes and bug fixes. As has been much requested, we've also…
- 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,…
