At the last Patch Tuesday of 2013, Microsoft released new firmware for its Surface running Windows 8/8.1 and RT 8.0/RT 8.1. The updates concern the most powerful newer models, namely the Surface 2 and Surface Pro 2. In particular, the Redmond Company has turned off the feature that reduced the brightness of the screen when the CPU of ARM tablet reached a temperature higher than a predetermined threshold.

Users who own one of the four Surface can install firmware and security patches through Windows Update. All updates are cumulative, so the latest includes the previous ones if they aren’t already installed.

Here’s the list changes in this release:

Surface 2

  • Screen dimming during CPU intensive operations resolved.
  • Decreased charge time for batteries.
  • Two-finger trackpad use optimized.
  • Update to support additional external displays.
  • Skype video quality improved.
  • Resolved delay during restart when Bluetooth devices are connected.

Surface Pro 2

  • Improved system stability, including when minimizing full screen games.
  • Updated Wi-Fi driver for improved wireless display and connectivity with wireless access points.
  • Improved Surface Cover interaction including power-saving sleep functionality.
  • Color fidelity improvements for all applications.
  • Optimized two-finger trackpad use.
  • Enhanced audio experience when connected to a Display Port 1.2 device.

Surface RT

  • Surface Home Button Driver update to optimize available system memory.
  • Surface Type Cover audio device driver update to enhance trackpad sounds for Type Cover 2.

Surface Pro

  • Wi-Fi driver (v14.69.24047.156) update for improved wireless display experience.