The B130 update introduced several new mechanics and content additions to the early access version:
: A dedicated "Angle on Bow" (AOB) tool was added to the periscope interface to help skippers more accurately calculate torpedo solutions.
: Significant improvements were made to the early-game tutorials to help new players learn the complex systems.
The file UBOAT.B130.Early.Access.part1.rar refers to a specific major update (B130) for the World War II submarine simulator game, UBOAT . This update, released in November 2021, was a significant milestone as the developers moved toward the game's full 1.0 release. Key Features of Update B130