Most if not all of the connection issues should be resolved with this update. I'm aware there are still bugs to be fixed. There will be more updates over the next few days to sort out the rest of the bugs and other issues.
Sorry for the issue persisting. Thank you for your patience :)
Be sure to join the official discord to get involved with the community, hear the latest news and give feedback: discord.gg/prosocceronline
There are also new official region discord servers. These will act as a hub for players, teams, tournaments and leagues for each region. Be sure to join your local region: