🛠️ Overwatch 2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✨ 新コンテンツOverwatch Reign of Talon - Season 5: A Grim Doctrine Now Live!
Something truly wicked is being unleashed during Season 5: A Grim Doctrine. The wait is over! Our newest Support Hero is here with the arrival of Doctrine. Freed from his volcanic prison by Doomfist h…
2026年8月
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8/12水✨ 新コンテンツOverwatch Reign of Talon - Season 4: Heroes of Busan Now Live!
Let your teamwork do all the talking during Season 4: Heroes of Busan. The leader of MEKA Squad is ready for her highly anticipated debut as our newest Tank Hero, D.Mon! Take the fight straight to Tal…
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8/11火✨ 新コンテンツEverything New in Overwatch Season 4: Heroes of Busan
Busan is worth defending. Its streets have survived Omnic attacks, its skyline has become one of Overwatch’s most recognizable battlegrounds, and the MEKA Squad has spent years standing between the ci…
2026年6月
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6/17水✨ 新コンテンツOverwatch Reign of Talon - Season 3: Into the Tiger's Den Now Live!
Are you ready to step Into the Tiger’s Den? A new chapter in the Reign of Talon starts here with the arrival of our newest Damage Hero, Shion. As the Hashimoto Clan’s most terrifying elder, Shion brin…
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6/12金✨ 新コンテンツSeason 3: Into the Tiger's Den Livestream | Overwatch Breakdown
Get an even closer look Into the Tiger’s Den during our next Developer Livestream! Be sure to submit your Season 3 questions for a chance to have answered LIVE June 16 at 10am PT. https://blizz.ly/4eh…
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。