🛠️ 鋼鐵雄心 IV 更新紀錄
開發商在 Steam 發布的官方公告：修補檔、新內容與活動，依時間整理。點標題看完整內容。
2026 年 9 月
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9/17四🛠️ 修補 / 更新 v1.19.3HOI IV | Patch 1.19.3
Generals! With the weather becoming more gloomy and the summer on its way out, we bring the last “Summer” release. This will be the last patch that specifically targets Thunder at our Gates and brings…
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9/4五🛠️ 修補 / 更新Studio Gold Update | September 2026
Hello Generals, Admirals and Air Chief Marshals! Swedish summer is over, and we were blessed as it lasted a good 5 weeks. We’d already started work on the 1.19.3 patch before, and we’ve been at work p…
2026 年 8 月
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8/28五🛠️ 修補 / 更新 v3.03HOI IV | Open Beta SE™ Update 3.03
Generals! Hello, I’m Zwirbaum, Game Designer for Hearts of Iron, and I want to welcome you to yet another Open Beta SE™ (Not really trademarked) Update for Hearts of Iron IV. This week I am bringing m…
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8/12三🛠️ 修補 / 更新 v2HOI IV | Open Beta SE™ Update 2
Generals! Hello, I’m Pdxen, Tech Lead for Hearts of Iron and I want to welcome you to the second update of the Summer Open Beta. In this update we are changing the topic from balancing to updating the…
資料來源：Steam 官方公告（每 6～24 小時更新）。標題與摘要版權屬於原開發商。