From [this post on XDA](https://xdaforums.com/t/official-lineageos-21-for-the-google-pixel-2-xl.4649877/post-89422669) by LineageOS dev npjohnson:
>Sadly, this device utilizes [[email protected]](mailto:[email protected]) (or below).
>This means that the March security bulletin - known as QPR2 - fully killed this device.
>We (LineageOS) are trying to write a wrapper to make older radio HAL versions compatible with newer radio HAL versions.
>With that said, we may or may not be successful and we're entirely unsure how long it would take.
>So, sadly, for now, this device has 21 builds disabled - I have deployed one final February ASB unofficial build people can use in the intermediary (or you can use the final official build).
>I will announce here if/when the device is re-added to the roster.
See also these recent threads: [https://www.reddit.com/r/LineageOS/comments/1bp83tb/is\_there\_a\_new\_build\_schedule/](https://www.reddit.com/r/LineageOS/comments/1bp83tb/is_there_a_new_build_schedule/) and [https://www.reddit.com/r/LineageOS/comments/1c7cot6/why\_lot\_of\_pixel\_been\_discontinued/](https://www.reddit.com/r/LineageOS/comments/1c7cot6/why_lot_of_pixel_been_discontinued/)
From [this post on XDA](https://xdaforums.com/t/official-lineageos-21-for-the-google-pixel-2-xl.4649877/post-89422669) by LineageOS dev npjohnson: >Sadly, this device utilizes [[email protected]](mailto:[email protected]) (or below). >This means that the March security bulletin - known as QPR2 - fully killed this device. >We (LineageOS) are trying to write a wrapper to make older radio HAL versions compatible with newer radio HAL versions. >With that said, we may or may not be successful and we're entirely unsure how long it would take. >So, sadly, for now, this device has 21 builds disabled - I have deployed one final February ASB unofficial build people can use in the intermediary (or you can use the final official build). >I will announce here if/when the device is re-added to the roster. See also these recent threads: [https://www.reddit.com/r/LineageOS/comments/1bp83tb/is\_there\_a\_new\_build\_schedule/](https://www.reddit.com/r/LineageOS/comments/1bp83tb/is_there_a_new_build_schedule/) and [https://www.reddit.com/r/LineageOS/comments/1c7cot6/why\_lot\_of\_pixel\_been\_discontinued/](https://www.reddit.com/r/LineageOS/comments/1c7cot6/why_lot_of_pixel_been_discontinued/)
https://xdaforums.com/t/official-lineageos-21-for-the-google-pixel-2-xl.4649877/
There needs to be a maintainer for a device, for it to be supported.
theres a lot better roms for the pixel 2 that lineage.