Is your feature request related to a problem? Please describe.

The config variable preview_context is mentioned on the GitHub backend, but it (at least) also works for GitLab.

Describe the solution you'd like

Maybe document the config variable on the

Summary

Add a site AMP version.

Basic example

Nuxt.js has an example: https://github.com/nuxt/nuxt.js/tree/dev/examples/with-amp
Gatsby AMP Plugin: https://www.gatsbyjs.org/packages/gatsby-plugin-amp/

Motivation

The AMP Project support is very important to accessibility and Google's Pagerank. So, it could will be awesome had this support in Gridsome.

If a user runs yarn rw upgrade ... from a directory other than project root, there are cases where the root package.json is not handled correctly by yarn ('cause yarn is a mess when it comes to this command).

We need to ensure Execa has cwd set whenever it is called:
https://github.com/redwoodjs/redwood/blob/main/packages/cli/src/commands/upgrade.js

Following up on conversation started here about adding instructions for upgrading to newer versions of Plenti. This is somewhat package manager specific, but might be helpful so folks to have to go digging to find it.