A new set of firmware updates are now available for both the Surface Book and Surface Pro 4. As detailed over on Microsoft's TechNet site, the updates pack some stability and performance fixes across the board, and even a driver update for the GeForce GTX 965M in the Surface Book with Performance Base.

Surface Book and Surface Pro 4 snag fresh firmware updates

Here's a look at what's new in each batch of updates:

Surface Book

  • NVIDIA GeForce GTX 965M (v21.21.13.7667) improves system stability.
  • Surface UEFI (v90.1427.768.0) improves system stability and performance.
  • Surface NVM Express Controller (v11.0.0.1) improves storage performance.
  • Intel(R) Management Engine Interface (v11.6.0.1042) improves system stability on startup.
  • Surface Integration (v1.1.328.0) improves battery life during sleep.
  • Surface Integration Service Device (v1.0.241.0) improves device stability.
  • Surface USB Hub Firmware Update (v1.0.519.0) improves stability and power utilization of the USB hub in the device base.

Surface Pro 4

  • Surface UEFI (v106.1427.768.0) improves system stability and performance.
  • Surface Display (v1.0.6.1) updates the display panel driver.
  • Surface NVM Express Controller (v11.0.0.1) improves storage performance.
  • Intel(R) Management Engine Interface (v11.6.0.1042) improves system stability on startup.

It's not clear if these have started rolling out on Windows Update just yet, and the Surface Update page hasn't yet been updated to include these latest releases. If you aren't seeing them via Windows Update, however, you can manually grab the update files for the Surface Book and Surface Pro 4 from Microsoft.