🛠️ Ragnarok Online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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10/13火🛠️ パッチ / アップデートPatch Notes 10/13/2026
iRO Renewal Hardware MaintenanceOctober 13th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating …
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10/6火🛠️ パッチ / アップデートPatch Notes 10/06/2026
iRO Renewal MaintenanceOctober 6th, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Kapha/PunkMid: Anubis/Flying DeleterHigh: Incarnation of Morroc/Kick and Kick Baby Shark is here! A brand-new collabora…
2026年9月
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9/29火🛠️ パッチ / アップデートPatch Notes 09/29/2026
iRO Renewal Hardware MaintenanceSeptember 29th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternatin…
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9/22火🛠️ パッチ / アップデートPatch Notes 09/22/2026
iRO Renewal MaintenanceSeptember 22nd, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Old Stove/Live Peach TreeMid: Ground Deleter/PinguiculaHigh: Lockstep/Golden Acidus Uncover new adventures in Episod…
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9/15火🛠️ パッチ / アップデートPatch Notes 09/15/2026
iRO Renewal Hardware MaintenanceSeptember 15th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternatin…
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9/8火🛠️ パッチ / アップデートPatch Notes 09/08/2026
iRO Renewal Hardware MaintenanceSeptember 8th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating…
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9/1火🛠️ パッチ / アップデートPatch Notes 09/01/2026
iRO Renewal MaintenanceSeptember 1st, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Pasana/ToucanrcMid: Snowier/Lava GolemHigh: Banshee/Blue AcidusThe 23rd Anniversary special event is here! Get ready …
2026年8月
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8/25火🛠️ パッチ / アップデートPatch Notes 08/25/2026
iRO Renewal Hardware MaintenanceAugust 25th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating b…
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8/18火🛠️ パッチ / アップデートPatch Notes 08/18/2026
iRO Renewal MaintenanceAugust 18th, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Sleeper/High OrcMid: Medusa/LudeHigh: Step/ImpThe 23rd Anniversary special event is here! Get ready for exciting events…
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8/11火🛠️ パッチ / アップデートPatch Notes 08/11/2026
iRO Renewal Hardware MaintenanceAugust 11th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating b…
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8/4火🛠️ パッチ / アップデートPatch Notes 08/04/2026
iRO Renewal MaintenanceAugust 4th, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Headless Mule/Evil DruidMid: Hill Wind/BlazzerHigh: Agav/KnockerThe 23rd Anniversary special event is here! Get ready fo…
2026年7月
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7/28火🛠️ パッチ / アップデートPatch Notes 07/28/2026
iRO Renewal Hardware MaintenanceJuly 28th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating bet…
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7/21火🛠️ パッチ / アップデートPatch Notes 07/21/2026
iRO Renewal MaintenanceJuly 21st, 2026 10:00AM - 04:00PM PDTWeekly Turn-inLow: Assaulter/NereidMid: Centipede/EngkantoHigh: Machine Component GC109/Red Lichtern The 23rd Anniversary special event is h…
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7/14火🛠️ パッチ / アップデートPatch Notes 07/14/2026
iRO Renewal Hardware MaintenanceJuly 14th, 2026 10:00AM - 04:00PM PDTHardware maintenances will solely consist of IT tasks required to continue smooth operation of the game. We will be alternating bet…
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7/7火🛠️ パッチ / アップデートPatch Notes 07/07/2026
iRO Renewal MaintenanceJuly 7th, 2026 10:00AM - 04:00PM PDTThe 23rd Anniversary special event is here! Get ready for exciting events, exclusive rewards, special surprises, and unforgettable adventures…
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。