🛠️ Borderlands 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10月
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10/16金📢 お知らせBorderlands 4 Weekly Activities: October 15–22
A new set of Weekly Activities (Weekly Big Encore Boss, Weekly Wildcard Mission, and the relocation of Maurice’s Black Market Vending Machine) is now live via a server-side update! As long as you're p…
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10/9金📢 お知らせBorderlands 4 Weekly Activities: October 8-15
A new set of Weekly Activities (Weekly Big Encore Boss, Weekly Wildcard Mission, and the relocation of Maurice’s Black Market Vending Machine) is now live via a server-side update! As long as you're p…
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10/3土📢 お知らせTHIS MONTH ON KAIROS
We’re Going Monthly!Hi, everyone! Erin, your 2K Community Manager here with a TWoK update. This Week on Kairos is getting a bit of a makeover! Writing this newsletter every week since before launch ha…
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10/2金📢 お知らせBorderlands 4 Weekly Activities: October 1-8
A new set of Weekly Activities (Weekly Big Encore Boss, Weekly Wildcard Mission, and the relocation of Maurice’s Black Market Vending Machine) is now live via a server-side update! As long as you're p…
2026年9月
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9/29火📢 お知らせBorderlands 4 players unlocked a new Vault Hunter Skin for Loveless!
With an arsenal of digitized deadly weapons and a deserved air of superiority, you all brought new meaning to the phrase "hack and slash" this past weekend. During the Community Challenge: Tough Love,…
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9/26土📢 お知らせLoveless Community Challenge: Tough Love
The all-new Vault Hunter Loveless the Hacker* arrived as paid DLC alongside the Version 1.10 update, and she's been slicing her way through an onslaught of enemies with a lethal combination of synchro…
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9/25金📢 お知らせBorderlands 4 Weekly Activities: September 24 - October 1
A new set of Weekly Activities (Weekly Big Encore Boss, Weekly Wildcard Mission, and the relocation of Maurice’s Black Market Vending Machine) is now live via a server-side update! As long as you're p…
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9/19土📢 お知らせTHIS WEEK ON KAIROS
Hey Vault Hunters! Welcome to “This Week on Kairos” - a weekly post where we share everything happening across the world of Borderlands 4, from developer updates to community highlights and beyond.Eve…
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9/18金📢 お知らせBorderlands 4 Weekly Activities: September 17-24
A new set of Weekly Activities (Weekly Big Encore Boss, Weekly Wildcard Mission, and the relocation of Maurice’s Black Market Vending Machine) is now live via a server-side update! As long as you're p…
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9/12土📢 お知らせTHIS WEEK ON KAIROS
Hey Vault Hunters! Welcome to “This Week on Kairos” - a weekly post where we share everything happening across the world of Borderlands 4, from developer updates to community highlights and beyond.Eve…
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9/11金📢 お知らせLoveless the Hacker, Story Pack 2, and Bounty Pack 5 out now!
Never before has Kairos seen this much mayhem unleashed in a single day! Alongside the Version 1.10 update that's live and free for all Borderlands 4 players, the paid DLC of the all-new Vault Hunter …
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。