xx messenger only has small private groups. We built a separate tool for chat rooms called Speakeasy, which is currently in alpha. Here's a link to one of the main chat rooms there:

http://alpha.speakeasy.tech/join?0Name=xxGeneralChat&1Description=Talking+about+the+xx+network&2Level=Public&3Created=1674152234202224215&e=%2FqE8BEgQQkXC6n0yxeXGQjvyklaRH6Z%2BWu8qvbFxiuw%3D&k=RMfN%2B9pD%2FJCzPTIzPk%2Bpf0ThKPvI425hye4JqUxi3iA%3D&l=368&m=0&p=1&s=rb%2BrK0HsOYcPpTF6KkpuDWxh7scZbj74kVMHuwhgUR0%3D&v=1 #[2]