Official patch notes for Armored Core from FromSoftware, published on Steam on December 16, 2025.
To address the security vulnerability announced by Unity Technologies on October 3, 2025, an update to some pre-order bonuses, as well as the artwork & soundtrack application was distributed.
The main game is not impacted by the security vulnerability and the update.
Thank you for your understanding.
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Patch notes and news tracker by eSportCafe · source: Steam News