(http://i.postimg.cc/N0sCjLCk/surface-book-2-5.jpg)
If you have already installed Windows 10 version 1903 on your Surface Book 2 then you might see a whole bunch of updates from Intel. Microsoft hasn’t released May 2019 Update yet but it’s available for Windows Insiders on Release Preview Ring.
The latest update from Intel bumps the drivers to v30.15063.6.8611 and is available for Book 2 users running on May 2019 Update. Unfortunately, Microsoft hasn’t updated the firmware history page for the Surface Book 2 (http://support.microsoft.com/en-in/help/4055398/surface-book-2-update-history) so we have no idea about the changes coming to Surface Book 2 with the latest firmware update.
We will have to wait for Microsoft to update the firmware history page to know what’s new in the latest set of firmware updates for Surface Book 2. In the meantime, you can head to Settings > Update and Security > Windows Update to download the latest set of drivers from Intel.
source (http://mspoweruser.com/intel-rolls-out-a-whole-bunch-of-driver-updates-for-surface-book-2-running-on-windows-10-version-1903/)