🛠️ Sea of Thieves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9月
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9/17木🛠️ パッチ / アップデート v3.9.0Sea of Thieves Release Notes – 3.9.0
Custom SeasThe free customisation toolset introduced in Season 20 expands with new options and additions! For more info on everything else taking place this Season, head over to our dedicated Season 2…
2026年8月
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8/20木🛠️ パッチ / アップデート v3.8.2Sea of Thieves Release Notes – 3.8.2
Custom SeasBuild new game modes to challenge your friends, record unrivalled cinematics and experience the Sea of Thieves like never before! To learn more about this Season’s headline features, head o…
2026年7月
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7/23木🛠️ パッチ / アップデート v3.8.1Sea of Thieves Release Notes – 3.8.1
Custom SeasBuild new game modes to challenge your friends, record unrivalled cinematics and experience the Sea of Thieves like never before! To learn more about this Season’s headline features, head o…
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7/9木🛠️ パッチ / アップデート v3.8.0.2Sea of Thieves Release Notes – Hotfix 3.8.0.2
UpdatesChest of Fortune BalancingThe issues preventing some emergent World Events from awarding the Chest of Fortune upon completion have been addressed, and the Chest of Fortune is now being awarded …
2026年6月
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6/25木🛠️ パッチ / アップデート v3.8.0.1Sea of Thieves Release Notes – Hotfix 3.8.0.1
UpdatesEmergent World EventsThe Fleet of Fortune should no longer appear as one of the emergent World Events taking place on the seas during Season 20. Fixed IssuesGameplayPlayers below deck on the Sl…
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。