UPDATE: While I will keep this article here for historical reasons, please refer instead to Microsoft Surface Firmware Updates for January 2014 (Take 2), which covers the many Surface firmware updates that Microsoft delivered later in this month. --Paul

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As it does every month, Microsoft this week issued Surface firmware updates alongside its monthly Patch Tuesday security fixes. But this month's set of updates includes just a single update, for the original Surface Pro, and not the expected re-release of December's botched Surface Pro 2 firmware update.

I held off on publishing this yesterday because I was told that Microsoft was racing to finish the new version of the December 2013 firmware update for Surface Pro 2. But while the official story hasn't changed—it's still due as soon as possible, Microsoft tells me, as I reported last month in Microsoft Will Re-Release Surface Pro 2 Firmware Earlier Than Expected—something is clearly holding up the release.

I'll report back as soon as I know more about that one. But in the meantime, here's what's new this month.

Surface Pro (original version) with Windows 8.0

Surface Type Cover 2 Firmware Update Device, version 1.0.279.0. These updates improve the experience of using a second generation Surface Cover on your first generation Surface Pro running Windows 8.0, including touchpad performance and overall product stability.

Surface Touch Cover 2 Firmware Update Device, version 1.0.280.0. These updates improve the experience of using a second generation Surface Cover on your first generation Surface Pro running Windows 8.0, including touchpad performance and overall product stability.

Surface Pro (original version) with Windows 8.1

Surface Type Cover 2 firmware. These updates improve the experience of using a second generation Surface Cover on your first generation Surface Pro running Windows 8.1, including touchpad performance and overall product stability.

Surface Touch Cover 2 firmware. These updates improve the experience of using a second generation Surface Cover on your first generation Surface Pro running Windows 8.1, including touchpad performance and overall product stability.

Updated Wi-Fi and Bluetooth drivers. Surface Pro now supports additional Miracast functionality and increased Wi-Fi stability.

If you do have an original Surface Pro, you can grab the firmware update(s) and other Patch Tuesday security updates via Windows Update.