: This version required players to start a new save file for full compatibility, as major engine and gameplay overhauls often broke older saves.
: It addressed UI inconsistencies, notification errors, and various small bugs reported by the community immediately after the Christmas update launch. System Requirements (Minimum) UBOAT Free Download (B131 Hotfix 1)
: The update added Type 1934 destroyers to the Kriegsmarine and introduced Japanese localization. B131 Hotfix 1 Specifics : This version required players to start a
For those looking to play the current version of the game, updates like 2026.1 Patch 11 have since added the and further optimized performance. B131 Hotfix 1 Specifics For those looking to
Are you having trouble this specific legacy version, or Save 72% on UBOAT on Steam
: A new automated hydrophone check button was introduced, allowing the crew to dive and listen for enemies automatically.
Hotfix 1 was primarily aimed at stabilizing the new features and fixing issues introduced in the initial B131 release.