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
1.7.1 "Hydra" now live!
1.7.1 "Hydra" now live! The 1.7.1 Hydra patch is now out of Beta and fully live! Check out the full patchnotes here: https://pdxint.at/2X3JwIw
- Hearts of Iron IV
Dev Diary: Bugfixing for 1.7.1
In the first Dev Diary after the launch of 1.7, Podcat lets us know about some nasty bugs the team is working on fixing for a 1.7.1 Hotfix. Click here to read today's Development Diary by Podcat
- Hearts of Iron IV
3 Year Anniversary!
In today's HOI4 Dev Diary Podcat takes a stroll back through the history of HOI4 and looks forward to the future! Including an extensive Q&A session with community questions today's DD is not one to miss! Check it out:…
- Hearts of Iron IV
Three Year Bundle: Axis Armor and Radio Packs Now Available
Hearts of Iron Radio Pack Drown out the hum of machinery and whine of bomber engines with the soothing sounds of new martial music brought to you by Paradox and its composing partners. This DLC pack adds unique radio st…
- Hearts of Iron IV
1.7 Hydra Update is Live!
The 1.7 patch is here! Bugfixes, re-balancing some parts of naval warfare, and adding lots of new music as part of the HOI Classics radio station! Click here to read the 1.7 'Hydra' Patch Notes
- Hearts of Iron IV
Paradox Grand Strategy Sale Now Live!
The Paradox Grand Strategy sale is underway! Hearts of Iron IV, our sister Grand Strategy games and most of our DLCs are on sale over on steam right now! Go take a look: https://pdxint.at/2XgBCwy
- Hearts of Iron IV
Dev Diary: Axis Armor + Radio Packs!
In today’s Dev Diary Podcat takes us through some more updates to the upcoming 1.7 patch, and introduces us to the upcoming new Axis Armor and Radio packs! These two will include new 3D and 2D models of Axis vehicles, a…
- Hearts of Iron IV
LAST CHANCE to get 20% OFF your ticket to PDXCON 2019 this week!
Don't miss your chance to secure your spot at PDXCON this year at 20% OFF! The discount will end on the 31st of May so if you already know that you're joining us the time to act is now! Buy tickets here: https://pdxint.…
- Hearts of Iron IV
Dev Diary: Technical and Naval Balance Updates!
In today’s Dev Diary, Podcat takes us through what moving to 64-bit will mean for HOI4, and details some changes to naval balance coming in 1.7! Click here to read today's Development Diary by Podcat!
- Hearts of Iron IV
Dev Diary - News from the Eastern Front!
Dev Diaries have returned! This week Podcat talks us through the work the team have been doing for the upcoming 1.7 'Hydra' update, including AI improvements and the move to 64-bit. Click here to read this week's develo…
- Hearts of Iron IV
PDXCON 2019 Tickets Available Now!
Be the first to witness new game reveals, mega games, seminars and of course LOTS of good strategy gaming! Get 20% OFF all through May as an Early Bird! Tickets will be going fast! Achtung Berlin! https://www.youtube.co…
- Hearts of Iron IV
PDXCON 2019 Ticket Info!
PDXCON2019 is coming and we couldn’t be more excited to meet our community at the event - which takes place on October 18th - 20th, 2019. Tickets go on sale on May 7th, but we’ve got a secret to tell you… If you head ov…
- Hearts of Iron IV
1.6.2 and Future Roadmap
In today's Dev Diary, Podcat shows off the full patch notes for 1.6.2 and talks about future plans for Hearts of Iron IV Click here to read the development diary by Podcat Useful links Hearts of Iron Wiki Hearts of Iron…
- Hearts of Iron IV
Patch 1.6.2 Ironclad is Live
1.6.2 "Ironclad" is now live and downloadable through Steam. Checksum is 6f7d. We should be compatible with 1.6.1, but if you for some reason want to remain on 1.6.1 or older Here are instructions for reverting to patch…
- Hearts of Iron IV
1.6.2 Open Beta Patch
For some updates on the upcoming 1.6.2 patch, including the addition of new field marshals, check out today’s dev diary! Click here to read the development diary by Andy Galney Useful links Hearts of Iron Wiki Hearts of…
- Hearts of Iron IV
Patch 1.6.1 Live Now!
We just release patch 1.6.1 which adds UI improvements, bugfixes, balance adjustments and more. We will not be able to collect bug reports from Steam. If you discover problems with the patch, please post these in our of…
