Microsoft has today released firmware update for the latest Surface Pro. You can either install these update from Windows Update from the settings app or you download the offline SurfacePro_Win10_15063_1706007_0.msi file from the Microsoft website for Surface updates here and install them directly. These package will contain all of the components of the firmware and drivers that have been releases earlier on the windows update. To install on your device simply download the msi files and install it just like any other desktop x86 programs.
The .msi file is 228 Mb in size and was published yesterday. These drivers and firmware are compatible with Windows 10, including Enterprise versions. Remeber that these driver MSI files include all of the drivers and firmware needed to deploy custom images of Windows on your Surface devices. This is the second firmware update that the new Surface Pro has received, last month also it received a firmware update that fixed various things and improved the overall battery performance.
Microsoft has not given any details of what new improvements they have introduced in this update. Give us if you find changes in the comments below.