GrapheneOS on pixel devices is so great, I hope you all try it! The private & secure mobile operating system with Android app compatibility. Developed as a non-profit & is free and open source software
-Permission toggles, pin scrambling, auto-reboot, scopes, MAC randomization, isolated user profiles, longer passwords, sandboxed apps, open source firmware, no bloat & increased battery life +more! -Privacy, security & anonymity FOSS!
CalyxOS is a similar custom rom which still supports the older Pixel phones aswell as the Fairphone 4
my old Pixel 3 is still rocking on newest Android with monthly updates