Thank you for asking. The January update that will be released later today includes the following:
Surface Pro for Windows 8.0 receives an update to the Surface Type Cover 2 firmware and the Surface Touch Cover 2 firmware. This update improves the experience of using a second generation Surface Cover on your first generation Surface Pro running
Windows 8.0, including track pad performance and overall product stability.
·Surface Type Cover 2 Firmware Update Device, version 1.0.279.0
·Surface Touch Cover 2 Firmware Update Device, version 1.0.280.0
To check for updates:
Open PC Settings, by swiping in from right edge (or, if using a mouse, point to upper-right corner of screen)