Improvements and fixes in the updates
June 2023 updates
June 23 release
The following update is available for Surface Pro (5th Gen) devices running Windows 10 May 2020 Update, version 20H1, or greater.
This update:
- Resolves external display issue.
- Addresses potential security vulnerability.
Windows Update Name Device Manager Surface - Firmware - 239.645.768.0 Surface UEFI - Firmware Surface - Extension - 6.13.137.0 Surface Dock 2 Firmware Update - Extension
Source:
Surface Pro (5th Gen) update history - Microsoft Support
Get a summary of updates for Surface Pro, which are installed automatically through Windows Update.

Manual download:
Download Surface Pro 5 [Wi-Fi] Drivers and Firmware from Official Microsoft Download Center
This device has reached the End of Servicing. The following packages are no longer being updated with newer drivers and firmware.
www.microsoft.com