Improvements and fixes in the updates
April 2022 updates
April 27 release
The following update is available for Surface Book 3 devices running Windows 10 May 2019, version 1903, or greater.
This update improves system storage stability.
Windows Update Name Device Manager Surface - Firmware - 6.40.139.0 Surface Storage Firmware Update – Firmware
Source:
Surface Book 3 update history - Microsoft Support
List of updates for Surface Book 3
support.microsoft.com
Manual download: