@GuillaumeAV and @srosset81 at the SocialHub community we are organizing an event about ActivityPub as interop protocol and possible uses for the European Commission. We’ve been advocating for a while on How Solid and ActivityPub complement each other best and since SemApps is already using both protocols you might want see if and how you can be involved.
I just mentioned SemApps here: Webinar with the European Commission and AP Community - #18 by aschrijver - Fediverse Policy SIG - SocialHub