From my iPhone when I click the link on the EctoComp 2023 main page that says: "Finally, you can talk live..." then this URL:
https://discord.com/invite/YwMCbWa
This URL fails me every time. It says:
(Tried posting the screenshot, but this forum refused to let me post it, so here's the text:)
Invite Invalid
This invite may be expired, or you might not have permission to join.