The group IRC Chat and Matrix chat bridge is being shut down. It is probably much easier to join Matrix as this is much easier to set up for people in generally. and can be accessed from different devices. I
MATRIX
Matrix An open network for secure, decentralised communication. There is a direct link to the room. If you are already set up then the link should go direct, otherwise you will be presented with an option to sign up to Matrix and obtain a client.
This is also presented in plain text below, as it should make it easier to copy / paste in to a browser.
https://matrix.to/#/#dcglug:matrix.org
Hope this helps