Topic
Android 16 and Android 17 platform releases and how downstream ROMs track them.
Google shipped Android 17 QPR1 to Pixels on September 15 with 84 new APIs and held its source back from AOSP until December. Non-Pixel fleets and custom ROMs wait a quarter for those APIs and, according to GrapheneOS, for fixes to shared Android code.
Reality
Google's September quarterly release installs the same build on the Pixel 6 and on the Pixel 11 that shipped a few weeks ago. 9to5Google tracked every change and found the release heavily weighted toward cosmetics.
Reality
Beta 4 reaches Platform Stability, the milestone app and fleet teams wait on before re-running compatibility suites, and its fix list names exactly which regressions to retest. The Pixel 11 line is still waiting for its build.
Reality
Beta 4 gathers summaries, the organizer and cooldown behind one Notification intelligence door ahead of December's stable release, alongside a Pixel 11 build number that nobody can download yet.
Reality
Nightly builds of Android 16 now cover the S22, S22+ and S22 Ultra. For anyone holding those phones past the official window, it is a migration path rather than a replacement cycle.
Reality