at the top left of https://nextjs.org/docs
you can change to Pages Router

But does everything in Pages Router docs match up with v12?

I thought those are updated for the v14 since it still supports Pages Router

🤔

why would u want to use v12

Because I have to

This is not an XY so let's stay on the topic

you can search for specific version of the docs on their github repo
https://github.com/vercel/next.js/tree/v12.3.4

I think it always refer to https://nextjs.org/docs

Are there even any documentation on GitHub? I guess it's all on the website

Oh sweet! Apparently there are

Thanks people