We have no way of knowing why Microsoft released the driver updates last Friday or what they’re supposed to accomplish. What we do know is that the last set of patches came just 10 days earlier, on July 11, when Microsoft added support for the new Surface Pro Type Cover and Signature Type Cover.

With two dozen major firmware and driver updates pushed onto the Surface Pro 4 since its release in October 2015, and a new Surface Pro 2017 currently on offer, it’s noteworthy that Microsoft is still trying to get the SP4 and SB drivers right.

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