Where ActivityPub developers coordinate their efforts to make the Fediverse a great space for cooperation

A forum for the fedidevs. What's funny is this notice it shows on my outdated Safari:

Unfortunately, your browser is unsupported. Please switch to a supported browser to view rich content, log in and reply.

This sentence contains to a funky website that recommends some browsers. Links2 is not there for some reason.

I should join the forum though, as I'm a proud fedidev now!