Microsoft recently released a fresh batch of firmware and UEFI updates for October, and now we have more detail on what those updates contain. While the full changelog wasn't available when the updates were released, Microsoft has updated its Surface Book update history (via Neowin) page with the full details.

Microsoft details changes in October Surface Book firmware updates

Here's a look at the list of changes included in the October 28 batch of firmware updates for the Surface Book:

  • Microsoft driver update for Surface Embedded Controller Firmware - v90.1277.256.0 adds support for upcoming product release.
  • Microsoft driver update for Surface System Aggregator Firmware - v90.1335.257.0 adds support for upcoming product release.
  • Microsoft driver update for Surface UEFI - Surface UEFI - v90.1327.770.0 adds support for upcoming product release.
  • Marvell Semiconductor, Inc. driver update for Marvell AVASTAR Bluetooth Radio Adapter - v15.68.9046.79 adds support for upcoming product release.
  • Marvell Semiconductor, Inc. driver update for Marvell AVASTAR Wireless-AC Network Controller - v15.68.9046.79 adds support for upcoming product release.
  • NVIDIA driver update for NVIDIA GeForce GPU - v21.21.13.6936 improves pen performance in some applications.
  • Microsoft driver update for Surface Base Firmware Update - v2.0.97.0 improves keyboard reliability when the device resumes operation from sleep.
  • Microsoft driver update for Surface DTX - v1.3.542.0 improves clipboard and keyboard interoperability.

Curiously, there are several entries that refer to adding support for an "upcoming product release." It's likely — but unconfirmed — that these updates refer to support for the Surface Dial accessory that was announced alongside the Surface Studio. Otherwise, the updates pack the usual performance improvements.