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.
A current project we're working on at Chocolate Lily involves upgrading a Drupal 6 site to use the Drupal 7 Open Outreach distribution. It's the first time we've used a Drupal distribution for an existing Drupal site instead of a new one.