update to January 2026 Pixel driver/firmware code for the subset of devices with a January 2026 release
allow user to set any account as the default contacts account (since Android 16 QPR1, this was restricted to Google accounts for the stock Pixel OS and nothing permitted at all for AOSP)
kernel (6.1): update to latest GKI LTS branch revision including update to 6.1.159
kernel (6.6): update to latest GKI LTS branch revision
kernel (6.12): update to latest GKI LTS branch revision
All of the Android 16 security patches from the current January 2026, February 2026, March 2026, April 2026, May 2026 and June 2026 Android Security Bulletins are included in the 2026011301 security preview release. List of additional fixed CVEs: