Google's Pixel 6 Android version update guarantee ending this year also doesn't necessarily disqualify the phone from future feature updates. Google's support docs specify that the Pixel 6's full five-year update lifespan "may also include Pixel drops" that can add new functionality.

Following up the massive Android 15 update from last month for all of Google’s still-supported Pixel devices, we have the Pixel update rolling out with the latest Android security patches. As for which devices are getting the Pixel update,

Play Protect on Pixel phones monitors apps for harmful behavior, alerting users in real-time with notifications. Google already provides several tools to protect your Pixel smartphone from spam calls and messages.

Google has announced two new real-time security privacy protections for Android, and they're rolling out now on supported Pixel devices.