🛠️ Russian Fishing 4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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9/25金📢 お知らせServer restart
The RF4 server will restart on September 25 at 21:00 UTC. Maintenance is expected to take approximately 2 hours.Your FishSoft Team
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9/25金🎉 イベントAutumn Sale!
From September 25th at 09:00 UTC until October 5th at 09:00 UTC, we are offering the following discounts:• Premium - 25% off• Gold - 25% offYour FishSoft Team
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9/23水📢 お知らせServer restart
On September 24 at 06:00 UTC, the RF4 server will be restarted.Estimated maintenance time: approximately 2 hours.Your FishSoft Team
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9/11金📢 お知らせKuori Lake competition
Dear Players,We would like to invite you to our Kuori Lake competition on: 20/09/2026 at 16.00 MSK/15.00 CETPlayers from all regions can take part in the competition.Registration for the competition w…
2026年8月
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8/24月🛠️ パッチ / アップデートServer restart and client update.
On August 25th at 6:00 UTC, we will restart the server and update the game client.Maintenance time ~6h.
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8/20木📢 お知らせServer restart
On August 20th at 21:00 UTC the game server will be restarted. Maintenance time ~2h Your FishSoft Team
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8/20木🛠️ パッチ / アップデート v20.08.2026Patchnotes 20.08.2026
The models of the following fish species have been improved: Arctic Char, Ide, Burbot, Atlantic Salmon, and Blue Bream.A new setting, “Caught Fish Screen Hotkeys,” has been added to the game settings.…
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8/19水🛠️ パッチ / アップデートServer restart and game update
On August 20th at 6:00 UTC, we will restart the server and update the game client.Maintenance time ~6h.Your FishSoft Team
2026年7月
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7/1水📢 お知らせServer restart
On July 1st at 21:00 UTC the server will be restarted. Maintenance time: ~2h. Your FishSoft Team
2026年6月
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6/29月📢 お知らせServer Restart
The server will be restarted on June 29th at 21.00 UTC.Maintenance time: ~2 hoursYour FishSoft Team
2026年5月
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5/29金📢 お知らせAkhtuba River competition
Dear Players,We would like to invite you to our Akhtuba River competition on: 14/06/2026 at 16.00 MSK/15.00 CETPlayers from all regions can take part in the competition.Registration for the competitio…
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5/24日📢 お知らせServer restart
The server will be restarted on May 24th at 9:00 pm UTC.Maintenance time: ~2 hoursYour FishSoft Team
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5/22金🎉 イベントSpring Sale
From now until 9:00 UTC on June 8, 2026:Premium — 25% offGold — 25% offYour FishSoft Team
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5/22金📢 お知らせPatchnotes May 22, 2026
9th anniversary of Russian Fishing 4!We sincerely thank each and every one of you for being with us throughout all these years. Your support and passion for our game remain the main source of inspirat…
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5/21木🛠️ パッチ / アップデートServer restart and game update
On May 22nd at 6:00 UTC, the server will be restarted and we will update the game client.Maintenance time: ~6 hours.Your FishSoft Team
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。