🛠️ アークナイツ：エンドフィールド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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10/7水📢 お知らせArknights: Endfield [Sanctuary of Ink] Version DEV Comm
Dear Endministrator, This is the Arknights: Endfield Team. Scroll of autumn, unfurling over rugged trails and peaks. Arknights: Endfield's Core Chapter Version, , will officially launch on Oct. 15. Th…
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10/7水📢 お知らせSteam Wishlist Milestone Reached
Dear Endministrator, Thank you all for your continued support! Arknights: Endfield has officially been added to over 300,000 Steam wishlists! At the same time, we are pleased to officially announce th…
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10/6火📢 お知らせ[Sanctuary of Ink] New Version Guide Now Live
\ New Version Guide Page is now live. Check out all the new version content in one place. Browse to claim \×1,000, \×10,000, \×8, and \×4. ▼// Page LinkEndministrators can open the New Version Guide p…
2026年8月
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8/26水📢 お知らせSteam [Pioneer Test] Recruitment Open!
Dear Endministrator,We'll be conducting the limited-time \ before Arknights: Endfield officially launches on Steam. Endministrators are welcome to participate and get an early look!▼// Recruitment Per…
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8/13木🎉 イベントArknights: Endfield Steam Launch Milestone Event
Dear Endministrator,To celebrate Arknights: Endfield's upcoming launch on Steam, we're holding a special Wishlist Milestone Event!Starting today, add Arknights: Endfield to your Steam Wishlist and hel…
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。