🛠️ Grand Theft Auto V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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10/5月🎉 イベントExperience Halloween Thrills All Throughout October in GTA Online
The streets of Los Santos are crawling with creepy apparitions, paranormal visions, and more this Halloween season. Prepare for a month of ghastly mayhem with vengeful Slashers roaming the streets and…
2026年9月
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9/10木🎉 イベントCompete Across Entrepreneurial Endeavors in the Business Rivalries Event
Put your criminal enterprises to work all throughout September during the GTA Online Business Rivalries Event, steering the invisible hand of the free market in your favor with profitable bonuses for …
2026年8月
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8/18火🎉 イベントDeclare Your Allegiance and Determine Who Owns Los Santos in the Brand Wars Event
Proclaim your loyalty to the iconic industries fighting for control of Southern San Andreas’ hearts and minds in the Brand Wars Event, spanning the next two weeks in GTA Online. This trademark turf wa…
2026年7月
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7/31金🎉 イベントPlan the Perfect Getaway During the Summer Heist Event
Bask in two weeks of highly profitable criminal activity in GTA Online, as summer crowds flock to Southern San Andreas and Cayo Perico in search of lucrative treasures across the asphalt jungle and th…
2026年4月
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4/17金🎉 イベントNew Stoner Survival Dealing 4X Rewards as LD Organics Presents: The 420 Event
The man with the van and the plan is putting his stamp on Los Santos this 420 as LD Organics Presents: The 420 Event. Celebrate with a new Hunting Pack (Get Lamar) location that’s dispensing 4X Reward…
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。