FYI: The following is a great write-up exploring the messaging system issues facing the GNOME community, commending gradual migration from IRC to Matrix. It has a particular focus on the impossibility of ever perfectly bridging between the two systems, and a wider focus on why this migration makes sense.
https://discourse.gnome.org/t/irc-matrix-and-thanks-for-all-the-kicks/6482 The following is a great summary of Mozilla IRC's transition to Matrix: https://matrix.org/blog/2019/12/19/welcoming-mozilla-to-matrix -- - Julian
