Sandboxed Google Play compatibility layer: add toggle for granting Play services access to ICC auth in order to support RCS with carriers requiring it for RCS in Google Messages including T-Mobile
Launcher: fix rare upstream crash when switching users
Dialer: add new opt-in implementation of call recording using the same framework APIs as Google Dialer with the goal of improving functionality (handover support) and robustness (currently an opt-in setting for testing and then it will replace the previous implementation)
kernel (6.1, 6.6, 6.12): re-enable standard forced module signing with a workaround to make pKVM compatible with it
kernel (6.1): update to latest GKI LTS branch revision including update to 6.1.162
kernel (6.6): update to latest GKI LTS branch revision including update to 6.6.123
kernel (6.12): update to latest GKI LTS branch revision including update to 6.12.69
change default quick tile configuration for the new UI (replacing cast, wallet and device controls with camera, microphone and NFC toggles by default)
update release signing to handle AOSP APEX changes
migrate otatools.zip changes to Android's modern build system (soong)
All of the Android 16 security patches from the current March 2026, April 2026, May 2026, June 2026, July 2026 and August 2026 Android Security Bulletins are included in the 2026021201 security preview release. List of additional fixed CVEs: