Hearts of Iron IV

Hearts of Iron IV Dev Tracker




19 May

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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3039345766669637860]here[/url].

12 May

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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 Baltic States were in a difficult position in the build-up to world war 2; only recently liberated from Russian and German rule and less than 20 years on from a bloody struggle against both imperialist powers. In the 30s, each of the states had established authoritarian rule in fear of German and Soviet invasions, and a player hoping to survive as a Baltic state must take some extreme measures to overcome these overwhelming odds...

The Baltic States, like the Chinese, ... Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3052855931465077291]here[/url].

06 May

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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 built scenario a cast of Developers and Paradox Staff must lead our nation to victory in a world wide conflict!

Acting as our ‘Senate’, you can influence how each campaign unfolds. Want to see a more military focused nation, or one that values the power of diplomacy or trade? By debating and voting inside the Senate, you can shape the course of our nation through all four grand strategy games.

You can take your seat in the senate by heading over to the discord here: {LINK REMOVED}https://discord.gg/pdxcon

Each leg o... Read more

05 May

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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 to make using the tank designer more interesting and rewarding.

High Command bonus changes For a long time now unit bonuses from high command have confused people. Most expect that they apply to battalions, when in fact they apply only if their target unit type was “the majority type”, which was basically a weighted type count. They also could overlap, so infantry, mountaineers and artillery would apply to the same units letting you stack stuff in ways that was never intended and quite unintuitive.

... Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3077625094848989024]here[/url].

28 Apr

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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 the numbers and UI might change before release.

Ever since we revealed the ship designer in Man the Guns, people have been asking about a similar system for tanks. We did, however, want to improve a bit on the ship designer. In particular, we felt that the ship designer was encouraging too many generalist designs. Part of the problem is that ships have a very long lead time before they become available, so it is difficult to iterate on the designs in a timely fashion. When your ship takes two years to build, you can’t really specialize it too much, because you can’t always accurately predict the situation in two years... Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3057358262190877465]here[/url].

21 Apr

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    BjornB on Steam - Thread - Direct


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 content.



So, I’m going to start here with something a bunch of you predicted last week; you can indeed play as the Peasants’ Strike! A Poland with ambitions to restore democracy or embrace the communist revolution must first build an organized peasant militia from the rabble of disorganized farmers!



No matter how many o... Read more

14 Apr

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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 added as a free DLC on release for everyone titled "United and Ready" so as such what you see in this diary will be free for everyone once Barbarossa drops. Next diary we will continue on to cover the DLC parts of the focus tree, because the tree is a bit too large to cover in one go. Enjoy!

Poland is interesting because it is a hugely popular minor (it's roughly as popular as Spain and more popular than Greece). Yet it has a very difficult position sandwiched between Soviet and Germany, which tend to scare people off. Perhaps it's the challenge, or its critical role in WW2, or just the large amount of Polish H... Read more

12 Apr

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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 side of PDXCON Remixed. In a tale that takes us from 867A.D to the distant future, you, the Paradox Community, will have a deciding say on events that unfold!

Acting as our ‘Senate’, you can influence how each campaign unfolds. Want to see a more military focused nation, or one that values the power of diplomacy or trade? By debating and voting inside the Senate, you can shape the course of our nation through all four grand strategy games.

You can take your seat in the senate by heading over to the discord here: {LINK REMOVED}... Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3097888757412881064]here[/url].

08 Apr

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(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 since Battle for the Bosporus. The answers to that are going to take a few dev diaries to cover, so I figured I would start with a timeline for you:

  • We recently released 1.10.4 to fix various multiplayer exploits going on, but seems an important case was not detected at the time so we are working on a 1.10.5 to address that soon.
  • Pdxcon is coming up in May so expect to hear some more details there.
  • The yearly anniversary is coming in June so expect some cool stuff and a patch.
  • We are however spending most of our time on the 1.11 Barbarossa u...
Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3097888757398140880]here[/url].

01 Apr

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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 morning. The building was put in lockdown during COVID so I haven’t been able to get out and I cannot contact anyone from the team.

I am running low on cash and the only way I can afford to eat is by having uber eats delivered takeout via drones, so I need you to buy this otherwise I have to resort to hunting spiders in the office.

First of a bit of a backstory since this might come as a surprise for some of you, it sure did for me. At first I thought it was a data anomaly but I have to finally admit...that it's not.

Ever since Malta was introduced as a playable nation in MtG we have seen... Read more
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    /u/ on Steam - Thread - Direct
: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3003312530676220620]here[/url].

24 Mar

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    /u/ on Steam - Thread - Direct
Live Broadcast: You can find the details for this event on the announcement page [url=https://steamcommunity.com/ogg/394360/announcements/detail/3028081061125188091]here[/url].