🛠️ ウマ娘 プリティーダービー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7月
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7/23木📢 お知らせBrighter Together: Our Grand Concert is here!
A celebration of Umamusume and their fans makes a triumphant return! Ensure the success of the Grand Concert Reboot Project through the power of song and dance!
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7/23木📢 お知らせDon't Miss the Umazing Extravaganza!
A new round of celebrations is underway! Log in to receive the SSR Support Card \ Mihono Bourbon and up to 6,000 carats! Get up to 100 free scouts, enjoy limited-time missions, and check out the celeb…
2026年6月
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6/26金📢 お知らせMain Story Finale Part 2: "Hope Shines On" Now Available!
Witness the thrilling conclusion of Special Week's story along with her beloved members of Team Sirius!
2026年5月
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5/29金📢 お知らせA New Trainee Is Here!
Inari One is the latest 3-star trainee in the Spotlight Pretty Derby Scout! Log in during the event period to receive 1,500 carats!
2026年4月
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4/27月
2026年3月
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3/27金📢 お知らせMain Story Finale Part 1: A Dream in the Making Now Available!
Watch as Special Week embarks on a new adventure with her friends!
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3/13金📢 お知らせDon't Miss the Umazing Extravaganza!
A new round of celebrations is underway! Log in to receive the SSR Support Card \ Satono Diamond and up to 6,000 carats! Get up to 120 scouts, enjoy limited-time missions, and be sure to also check ou…
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。