In recent days there's been a bunch of insightful and thought provoking reflection within the Drupal community (as well as a share of bullshit). I've benefited from hearing perspectives that remind me of my biases and privileged placement as a cis white male.
Our client, a prominent national nonprofit in the US, had built a custom Drupal platform for their 50-odd state-level affiliates. Now they needed to get all those affiliates onto the platform by bringing forward their existing web content.
As a relatively new standard, ActivityPub is not yet super well documented either for adopters or for developers. To help address that, in January 2020 we undertook a project to produce ActivityPub documentation guides.