mwhj28

The creator believes the
“better way” to use Linux is to spend time learning how the distro and its package management works before customizing.

Pure Arch isn’t going to give you what you want. EndeavourOS is probably a better option. Nice installer, a relatively kind and helpful community on their forums, and you can use the Arch wiki to fill in the gaps.

https://endeavouros.com/

Per their website, everything in the Pixel line apart from the 10a is supported. They will be supported as long as firmware and security patches are available. https://grapheneos.org/faq#supported-devices