Pixel 2 and Pixel 2 XL support will now be provided via separate extended support - releases for obsolete devices. We'll be making the first one based on this official + releases for obsolete devices. We'll be making the first one based on an official release in the near future. They can only reach the 2020-11-01 security patch this month due to the lack of a release with changes outside the scope of AOSP such as new GPU firmware.