Basically the title.
And how important do you really think Android version updates are. I don't use my phone for a lot more than podcasts, instant messaging, and occasional browsing on Firefox mostly with JS disabled and ad-block on. I have a 3 year old Android 7 device that looks and works just fine and see no reason to upgrade
They're all botnets, might as well be good at other things while they're at it
Plus I hear GrapheneOS is amazing on Pixels