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A small firmware update for the Windows 10 powered Surface Pro 4 and Surface Book has been rolled out by Microsoft to update several device drivers.

Its “Patch Tuesday” for May, which means Microsoft will be rolling out some simple updates today for its products and services, mostly to squash bugs and patch security holes. The company’s flagship hardware products, the Surface Pro 4 and Surface Book, are getting a firmware update as part of Patch Tuesday.

As these are simple firmware fixes, the upgrade is not substantial in the sense of adding new features or functionality to the Surface devices. That said, there are plenty of patches in the update, and here’s the changelog directly from Microsoft:

Surface Camera drivers set (v30.10586.7035.1976, driver date 4/21/2016) improves Windows Hello stability.
Intel(R) AVStream Camera 2500 driver update (v30.10586.7035.1976)
Intel(R) Control Logic driver update (v30.10586.7035.1976)
Intel(R) CSI2 Host Controller driver update (v30.10586.7035.1976)
Intel(R) Imaging Signal Processor 2500 driver update (v30.10586.7035.1976)
Microsoft Camera Front driver update (v30.10586.7035.1976)
Microsoft Camera Rear driver update (v30.10586.7035.1976)
Microsoft IR Camera Front driver update (v30.10586.7035.1976

Surface Book design

As this is Patch Tuesday, expect Microsoft to announce some other minor firmware updates through the day, including to its Windows 10 platform. As for the Surface Pro 4 and Surface Book, the devices have recently received more substantial updates, such as a patch that finally solved a problem where Sleep Mode would drain the battery.

The Surface Pro 4 has been confronted with rivals from other platforms and Windows this year, with Samsung launching the Galaxy Tab Pro S and Huawei the MateBook on Windows 10, while Apple’s 9.7-inch iPad Pro was launched in March.