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
Live at 16:00 CET - 1.9.1 Beta Patch Stream
Don't forget to tune in to today's Heart of Iron IV stream! We're going to be talking about today's Dev Diary (out in a few hours) and the 1.9.1 hotfix patch that has been available in BETA since Friday. NOTE: We aren't…
- Hearts of Iron IV
La Résistance is Now Available!
STOCKHOLM - 25 February 2020 - Conquest is never easy, but the 20th Century brings new challenges. More infrastructure means more opportunities for disruption. Radio links saboteurs and freedom fighters across occupied…
- Hearts of Iron IV
Free 1.9 "Husky" Update is Now Live! (And not save game compatible!)
Hello! 1.9 Husky is now live including tons of bugfixes, improvements and new features. The patch should be downloading through Steam as we speak. Please note that 1.9 will not be save game compatible with 1.8.2. If you…
- Hearts of Iron IV
Live at 09:00 CET - La Resistance Release Stream
The release of La Resistance is upon us! Tune in to a special release stream at 09:00 CET February 25th, for some chaotic spanish multiplayer and the release of the expansion! We'll be live over at: https://www.twitch.t…
- Hearts of Iron IV
Dev Diary: 1.9 Patchnotes and Modding Updates
Today's Development Diary by Podcat Hi guys! Here is the promised bonus dev diary. First up is the full changelog, and after that we will be going through all the new stuff we have for modders. 1.9 'Husky' Patchlog See…
- Hearts of Iron IV
La Resistance Stream - Live at 16:00 CET
Don't forget to tune in to the final La Resistance stream before release! We'll be continuing last weeks playthrough as Germany, over on twitch. Live at 16:00 CET: https://www.twitch.tv/paradoxinteractive
- Hearts of Iron IV
Dev Diary: AI and Feature Updates
Today's Development Diary by Podcat Hi everyone! From the time we show off features in dev diaries and release a lot happens. Usually its just bugfixing and work behind the scenes, but sometimes it can be bigger changes…
- Hearts of Iron IV
Dev Diary: British Spymaster AAR
Today's Development Diary by YaBoy_Bobby Join me as I recount some of the highlights from my recent prerelease testing playthrough of LaR in this After Action Report (AAR) where played I as the UK. Phase 1: The buildup…
- Hearts of Iron IV
LIVE at 16:00 CET - La Resistance Preview Stream
Make sure to tune in to today's La Resistance preview stream. We'll be playing as Germany with the full suite of new mechanics available, to show how all the new things fit in to a normal game. Live at 16:00 CET over on…
- Hearts of Iron IV
Patch 1.8.2: Security Fix
Hi Everyone, We've just released a tiny patch to resolve a security issue tied to the way LUA libraries were loaded for mods. Savegames should be unaffected but as always- back up before loading them! Full patch notes c…
- Hearts of Iron IV
Stream: Portugal New Focus Tree
Don't forget to tune in to today's World War Wednesday, where Portugal and its new focus tree will be showcased to you all. We'll be live over on Twitch at 16:00 CET If you missed last week's stream, it can be found her…
- Hearts of Iron IV
Dev Diary: Achievements!
Today's Development Diary by Podcat Hi everyone! Release of La Résistance is closing in and we are busy fixing, testing and polishing. Today its time to present all the new achievements we are adding, so that the achiev…
- Hearts of Iron IV
Livestream: Anarchist Spain Part 2
Don't forget to tune in to our Twitch for part 2 of the showcase of Anarchist Spain! Live at 16:00 CET: https://www.twitch.tv/paradoxinteractive Here's last week's action ⏬
- Hearts of Iron IV
Dev Diary: La Résistance Music and Art
Today's Development Diary by Podact Hi everyone and welcome back to another dev diary for La Résistance. Today its time to cover the art and music part of the expansion plus showcasing some of our new historical operati…
- Hearts of Iron IV
La Résistance: Arriving on February 25th
STOCKHOLM - 23 January 2020 - The codes have been cracked and your agents are ready to move. The enemy will do their best to uncover your mission, but you’ve been preparing for this day for months. You will expose the c…
- Hearts of Iron IV
16:00 CET - Anarchist Spain Preview Stream
Join Da9L, Bratyn, and Jojo at 16:00 CET today for another preview stream of La Resistance, this week looking at Anarchist Spain! Tune in: https://www.twitch.tv/paradoxinteractive
