Installing the update now. Ridiculously excited. Anyone know if Windows Hello will hog battery during sleep anymore or is it cool to turn it back on? Love it on my dev 950 and it works amazing on the Book, but shit hogs battery. Cortana too.
Here's everything:
.System Hardware Update 2/17/2016
Microsoft driver update for Surface UEFI
Microsoft driver update for Surface Management Engine
Microsoft driver update for Surface System Aggregator Firmware
Surface Management Engine update (v11.0.0.1202) improves system stability.
Surface System Aggregator Firmware update (v88.1081.257.0) improves accuracy of battery status and battery life during sleep.
Surface UEFI update (v104.1085.768.0) improves battery life and improves stability during power state transition changes into and out of sleep states.
Intel® Precise Touch Device driver update (v1.1.0.226) improves stability during power state transition changes into and out of sleep states.
Intel® HD Graphics 520 driver update (v20.19.15.4364) improves display stability, system stability and battery life.
Intel® Display Audio driver update (v8.20.0.745) supports compatibility with the updated graphics driver.
Realtek High Definition Audio(SST) driver update (v6.0.1.7734) improves system stability.
Intel® Smart Sound Technology (Intel® SST) Audio Controller driver update (v8.20.0.866) improves system stability.
Intel® Smart Sound Technology (Intel® SST) OED driver update (v8.20.0.866) improves system stability.
Intel® Management Engine Interface driver update (v11.0.0.1176) improves system stability.
Intel® Serial IO GPIO Host Controller driver update (v30.63.1603.5) improves auto rotation reliability when tablet mode is turned off.
Intel® Serial IO I2C Host Controller driver update (v30.63.1603.5) improves auto rotation reliability when tablet mode is turned off.
Surface Book Base Firmware driver update (v1.2.0.0) improves battery life during sleep