I tried to connect to the IRC server with Konversation today - but the TLS certificate has expired. The expiry date is Mon Jun 19 03:26:00 2017 GMT.
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WikiFur has set up a channel on Freenode - and Freenode uses qwebirc, a web IRC client with a high-performance Python server. You can pre-fill nickname using the query URL too!
IRC feels too archaic now. I know many have moved on to Discord.