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During today’s Patch Tuesday update cycle, which are delivered via Windows Update, both of Microsoft’s Surface devices received firmware updates.

According to entries on the Microsoft Answers Community in response to a request for what was included the following summaries were posted:

Surface RT March Cumulative Update (3/12/13)

The March cumulative update, which will be available later today, includes improved Surface Wi-Fi reliability, connectivity in various scenarios, and performance improvements including:

  • Fixes to Wi-Fi reliability allowing for better roaming and improvements to "Limited" connectivity scenarios
  • Resolves issues with integrated volume button
  • Improved Type and Touch cover typing experience on soft surfaces and when devices and keyboard are lying flat
  • Resolves issue with random muting
  • Trackpad performance improvements

Surface Pro March Cumulative Update (3/12/13)

The March cumulative update, which will be available later today, includes improved Surface Wi-Fi reliability, connectivity in various scenarios, and performance improvements including:

  • Fixes to Wi-Fi reliability allowing for better roaming and improvements to "Limited" connectivity scenarios
  • Windows To Go feature is enabled
  • Improved onscreen keyboard detection synchronization when going in and out of sleep

Thanks to @FullMetal1986 and @MasterDevwi for the tips to the source via Twitter.