🛠️ MechWarrior 5: Mercenaries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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10/6火📢 お知らせAshes and Ascension Launch Trailer!
MechWarrior 5: Mercenaries – Ashes AND Ascension - Launch Trailer Out NowToday, we’re excited to debut the official Launch Trailer for MechWarrior 5: Mercenaries – Ashes and Ascension arriving Oct 6th…
2026年9月
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9/15火📢 お知らせAshes and Ascension Release Date!
Greetings, Mercenaries!MechWarrior 5: Mercenaries - Ashes & Ascension is coming October 6th!LAUNCH DATE AND TIMEMechWarrior 5: Mercenaries - Ashes and Ascension launches:October 6th, 2026 at 11:00 AM …
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9/10木✨ 新コンテンツAshes & Ascension - Free Update Details and Patch Notes Preview
Greetings Mercenaries!We’ve been thrilled by the response to last week’s announcement of MechWarrior 5: Mercenaries - Ashes & Ascension, and as promised, today we’re taking a closer look at the free u…
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9/2水📢 お知らせAnnouncing MechWarrior 5: Mercenaries Ashes & Ascension!
Greetings Mercenaries,We're excited to announce MechWarrior 5: Mercenaries – Ashes & Ascension, our ninth DLC Coming in Early OctoberWith the fate of the entire Inner Sphere at stake, all eyes now tur…
2026年8月
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8/4火📢 お知らせSTEAM TRADING CARDS ARE HERE!
NEW Steam Trading Cards, Badges & Backgrounds!Steam Sale Week long Deal Aug 3rd 10 AM PDT to Aug 10th 10 AM PDTNEW Latin American Spanish support!Mercenaries,It's a great time to jump into MechWarrior…
2026年7月
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7/30木🛠️ パッチ / アップデートMW5 Mercs Localization Update
Greetings Mercenaries!We have a Minor Patch for MechWarrior 5: Mercenaries. This patch focuses on localization additions and fixes.Patch Notes:Added Spanish (Latin America) as a supported language.Upd…
2026年6月
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6/19金🎉 イベントSteam Free Weekend and 75% Off Sale
FREE WEEKEND DETAILSStarting June 18 at 10:00 AM PT and running until June 22 at 10:00 AM PT, MechWarrior 5: Mercenaries will be free to play on Steam for a limited-time Free Weekend. Players can down…
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6/16火🛠️ パッチ / アップデートCHAOS REIGN Update Patch notes
Greetings Mercenaries,We have the first post-release patch for MechWarrior 5: Mercenaries - Chaos Reign ready to deploy this coming Monday, June 15th at 10:00 AM Pacific.This update addresses a number…
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6/3水🛠️ パッチ / アップデートChaos Reign Patch Notes Preview Jun 2, 2026
Greetings Mercenaries,First and foremost, thank you for your support of MechWarrior 5: Mercenaries - Chaos Reign. We've been enjoying watching your streams, reading your feedback, and seeing all the c…
2026年5月
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5/27水📢 お知らせEMBRACE THE CHAOS!
MechWarrior 5 Mercenaries - Chaos Reign Now available for Purchase on Steam!PURCHASE CHAOS REIGNCHAOS REIGN STEAM PAGE>>>LAUNCH TRAILERWATCH THE LAUNCH TRAILER ON YOUTUBE>>> PATCH NOTESREAD THE PATCH …
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5/1金🛠️ パッチ / アップデートChaos Reign Release Date Change and Patch Notes
Greetings Mercenaries, Quick update - we’re moving the release date for MechWarrior 5: Mercenaries - Chaos Reign to May 26th at 11 AM Pacific Time. It was previously set for May 13th. We’re taking a b…
2026年4月
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4/9木📢 お知らせChaos Reign Release Details and Hired Steel Collab
Greetings, Mercenaries,We’re excited to announce another collaboration with TMC, creators of the Hired Steel fan films.This Hired Steel inspired Hunchback is coming to MechWarrior 5: Mercenaries - Cha…
2026年3月
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3/20金✨ 新コンテンツANNOUNCING NEW DLC MW5 MERCS - CHAOS REIGN
Greetings Mercenaries!Piranha Games is pleased to announce a new expansionMECHWARRIOR 5: MERCENARIES - CHAOS REIGNThree years have passed since ComStar’s victory on Tukayyid secured a truce with the C…
2025年10月
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10/25土✨ 新コンテンツMW5 MERCS + DLC 7 Minor Update Patch
Greetings Mercenaries!We have a Minor Patch for MechWarrior 5: Mercenaries and DLC 7. This patch focuses on polish and fixes to improve overall gameplay and presentation.Patch Notes:Improved overall g…
2025年9月
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9/6土📢 お知らせShadow of Kerensky Valuable Intel
Greetings Mercenaries,We’re thrilled with the reception to MechWarrior 5: Mercenaries - Shadow of Kerensky! The team has been watching your content, reading your posts, and taking notes. We’re keeping…
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