This version of the Surface Dock Firmware bricked my Dock. It got hung up on 66% and stuck there for an hour, until I finally restarted my Surface Book and at that point it no longer was recognized. I had to open a support ticket and send it in to get replaced. Still waiting to get it back...
I have installed the dock firmware previously a handful of times without issue until this version. I am holding off on updating my work dock until a newer version gets released.