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
Patch 1.10.7 "Collie" - Hotfix
Just a very small hotfix to fix an issue with the 1.10.6 patch released earlier today, ################################################################ ######## Hotfix 1.10.7 "Collie" ######## ##########################…
- Hearts of Iron IV
Hearts of Iron IV: 5th Anniversary Bundle
For five years, wargamers around the world have been challenged to outbuild and outfight history’s most terrible war machines in Hearts of Iron IV, a grand strategy wargame from Paradox Development Studio. Millions of t…
- Hearts of Iron IV
HOI4 5 Year Anniversary: Patch Notes | Patch 1.10.6 "Collie"
Patch 1.10.6 "Collie" ################################## # Gameplay ################################## - It is no longer possible to swap templates on divisions that are encircled - For garrison reinforcement, check the…
- Hearts of Iron IV
Dev Diary | 5th Anniversary
Hi and welcome to another dev diary! It is almost time for the Hearts of Iron 5 year anniversary so we will take a short break from No Step Back, and celebrate that with some streams as well as new 3d model and radio pa…
- Hearts of Iron IV
Dev Diary - PDXCON Recap and Team update
Hi everyone! We need some recovery time after PdxCon before we talk about more new stuff so today I figured we would recap stuff from PdxCon as well as talk about some team and studio topics. I am happy to say that we a…
- Hearts of Iron IV
PDXCON Remixed: The Spanish Gambit | Community Challenge
The Spanish Gambit Hearts of Iron team members Drikus Kuiper • Content Design Lead - PDS, Daniel Sjöberg • Senior QA - PDS & Josh Bassett • Community Manager have attempted 'The Spanish Gambit' - win the Spanish Civil W…
- Hearts of Iron IV
Dev Diary: Baltic States | Part Two
Hello everyone and welcome back to another dev diary for Barbarossa where today I’m going to be diving into the unique branches for the Baltic states. I would like to open up by showing the state rework I neglected to s…
- Hearts of Iron IV
Dev Diary - Baltic States | Part One
Hello and welcome to another dev diary for the Barbarossa patch! Today I’m back with you to talk about not one, not two, but three new focus trees coming with the upcoming expansion: Latvia, Lithuania, and Estonia! The…
- Hearts of Iron IV
Road to PDXCON: Grand Campaign - Hearts of Iron [7th May 12:00 CEST]
Join the Hearts of Iron team, The Grand Campaign cast and our Discord senate for the third leg of our story! The story has unfolded and the Dual Monarchy stands at the precipice of a World War. In this modded, community…
- Hearts of Iron IV
Dev Diary: Combat & Stat Changes
Hi everyone and welcome back to another dev diary! Today is about various changes that affect combat and units. With the Barbarossa update we want to shake up the meta a bit and also change a few stats and other aspects…
- Hearts of Iron IV
Dev Diary: Tank Designer
Hello, and welcome back to another DevDiary about content coming in the 1.11 “Barbarossa” patch and its accompanying DLC. As always, keep in mind that the things shown in this DevDiary are still under development, so th…
- Hearts of Iron IV
Dev Diary: Poland Focus Tree Rework | Part 2/2
Hello folks and welcome back to the Poland dev-diary extravaganza! This week, I am going to continue covering the changes coming to Poland in 1.11 Barbarossa and the unannounced DLC.Today we’ll be covering the DLC conte…
- Hearts of Iron IV
Dev Diary: Poland Focus Tree Rework | Part 1/2
Hello everybody and welcome to another dev diary for the upcoming Barbarossa patch and yet to be announced DLC. Today I’m going to be talking about the first focus tree which is a rework of Poland. Poland was first adde…
- Hearts of Iron IV
Road to PDXCON: Grand Campaign
The journey to PDXCON begins: Introducing the Grand Campaign! 4 games, 4 weeks and 5 days of play! Join the teams of Crusader Kings III, Europa Universalis IV, Hearts of Iron IV and Stellaris for the largest event this…
- Hearts of Iron IV
Dev Diary: Supply - A First Look
(Reposted from yesterday due to an error) Hi everyone and welcome back to regular weekly dev diaries (if you don't count the april fools one last week). I know you are all super excited to hear what we have been up to s…
- Hearts of Iron IV
Dev Diary | HEARTS OF MALTA!
Malta focus tree Hello everyone! So this is a first for me, my brand own dev diary! Well... in fact, I am in a bit of an odd situation. I fell asleep one day in the office about a year ago and no one came in the next mo…
