Microsoft has released new firmware and software updates to address multiple issues this week.

Surface Pro Embedded Controller Firmware update (v38.9.50.0)improves system start-up reliability.

• Surface Pro UEFI update (v3.11.1150.0) adds pen support in UEFI menus and improved support for 3rd party onscreen keyboards.
• Surface Fingerprint Sensor driver update (v2.2.10.6) improves accuracy.
• Wireless Network Controller and Bluetooth driver update (v15.68.9037.59) improves access point compatibility and throughput on 5GHz.
• HD Graphics Family driver update 4331 (v20.19.15.4331) improves color calibration and system stability.
• Display Audio driver update (v6.16.00.3189) supports compatibility with the updated HD Graphics Family driver.
• Surface Cover Audio driver update (v2.0.1220.0) improves system stability.
• Microsoft Surface ACPI-Compliant Control Method Battery driver update (v1.2.0.2) ensures correct surface driver is installed.