19.0 and 19.1 broke federation.
19.2 restored federation.
19.3, released this week, fixed an authentication issue.
Seems you are either non-functional or insecure
Isn’t that dangerous to discose the bug while the largest version is still 18.5 ? https://fedidb.org/software/lemmy/versions
Nice project. $249 seems a bit high, but I guess it’s like the Fairphone, they can’t save as much as the large manufacturers do.