🛠️ Subnautica 2のアップデート履歴
開発元がSteamで公開した公式告知（パッチ、新コンテンツ、イベント）を時系列でまとめています。タイトルをクリックすると全文を読めます。
2026年10月
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10/6火🛠️ パッチ / アップデート v2Subnautica 2 Early Access Buddy System Hotfix 2
Hello Subnauts, Our second hotfix for the Subnautica 2 Buddy System update is out now!We’ve fixed several issues and bugs, including Voice Chat detection, the Tadpole being incorrectly teleported, and…
2026年9月
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9/1火🛠️ パッチ / アップデート v1Subnautica 2 Early Access Buddy System Hotfix 1
Update (3rd September): We've fixed an issue where in-progress Axum Powerplant Turbines disappeared or were no longer completable. Players affected will now see the Powerplant Turbine ghost again and …
2026年8月
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8/19水🛠️ パッチ / アップデート v1.2Subnautica 2 Early Access 1.2 - Buddy System Update
Hello Subnauts, Subnautica 2’s Early Access 1.2 update, Buddy System, just landed! This update introduces the hugely requested Proximity Chat feature, Player Revives, Emotes, Player Trading, two new c…
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8/18火🛠️ パッチ / アップデート v1.2Update Vlog - Early Access 1.2 (Buddy System)
Subnautica 2 Creative Director Anthony Gallegos returns to discuss everything you can expect from the 1.2 update, Buddy System, out tomorrow (August 19th).From features like Proximity Chat, Player Tra…
2026年7月
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7/14火🛠️ パッチ / アップデート v4Subnautica 2 Early Access Hotfix 4
Hello Subnauts, Our fourth hotfix for Subnautica 2 just arrived. We’ve fixed some progression issues, water currents appearing in bases, and the FOV slider not showing on Xbox. We continue to monitor …
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7/8水🛠️ パッチ / アップデート v1.1Subnautica 2 Early Access 1.1 - Adaptive Measures Update
Hello Subnauts, Subnautica 2’s Early Access 1.1 update, Adaptive Measures, is out now! This update includes a ton of quality-of-life fixes, including the much-requested FOV slider, and adds targeted i…
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7/8水🛠️ パッチ / アップデート v1.1Update Vlog - Early Access 1.1 (Adaptive Measures)
Subnautica 2 Creative Director Anthony Gallegos is back! This time he's walking through what you can expect from our Early Access 1.1 update, Adaptive Measures, coming out tomorrow (July 8th, 2026.) H…
2026年6月
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6/2火🛠️ パッチ / アップデート v3Subnautica 2 Early Access Hotfix 3
Hello Subnauts, We just released our third Subnautica 2 hotfix! In this hotfix, we’ve addressed some DLSS issues, upgraded DLSS to version 4.5, modified creature behavior further, and fixed additional…
2026年5月
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5/23土🛠️ パッチ / アップデート v2Subnautica 2 Early Access Hotfix 2
Hello Subnauts, Our second hotfix for Subnautica 2 is here! We’ve added more resource areas, adjusted Hammerhead behavior, fixed a few bugs and crashes, and made some changes to the Terms of Service a…
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5/20水🛠️ パッチ / アップデート v1Subnautica 2 Early Access Hotfix 1
Hello Subnauts, We just released our first hotfix for Subnautica 2 to address a few issues reported by the community since we launched on Thursday. Here are the changes that you’ll see when you next s…
出典：Steam公式告知（6～24時間ごとに更新）。タイトルと概要の著作権は各開発元に帰属します。