Matrix or Jitsi with Lemmy or any popular forum software would be my suggestion. More secure and private but require some technical knowledge.

Just checked and I think it’s filming as we speak. It’s not slated for release until 2027.

Interesting. Thanks for the clear explanation. So in the beginning, it must have been like screaming into the void. I see that “Auto add” is off for lemmy.world. Is that also part of why I couldn’t find those communities?