🛠️ 三角洲行动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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10/12月📢 お知らせG.T.I. Security | Penalties for RMT
Dear Operators, The Delta Force security team is committed to maintaining a fair gaming experience, and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
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10/12月📢 お知らせG.T.I. Security | Notice of penalties for violations
Hello Operators, The Delta Force security team is committed to maintaining a fair gaming experience,and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
2026年9月
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9/28月📢 お知らせG.T.I. Security | Notice of penalties for violations
Hello Operators, The Delta Force security team is committed to maintaining a fair gaming experience,and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
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9/21月📢 お知らせG.T.I. Security | Notice of penalties for violations
Hello Operators, The Delta Force security team is committed to maintaining a fair gaming experience,and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
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9/14月📢 お知らせG.T.I. Security | Notice of penalties for violations
Hello Operators, The Delta Force security team is committed to maintaining a fair gaming experience,and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
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9/7月📢 お知らせG.T.I. Security | Notice of penalties for violations
Hello Operators, The Delta Force security team is committed to maintaining a fair gaming experience,and will impose appropriate restrictions on those found to be cheating or in breach of our terms of …
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。