Created attachment 191166 [details]
It's not being developed anymore (last release ~8 years ago!) and has
several unpatched security issues as outlined by the HexChat developer
HexChat (irc/hexchat) is an actively developed XChat fork with a
similar interface that can be used instead.
A commit references this bug:
Date: Sat Mar 17 08:38:10 UTC 2018
New revision: 464765
It's unmaintained with likely many unpatched security issues.
irc/hexchat is an actively maintained fork of XChat which can be used
Approved by: gnome (maintainer timeout, 2 weeks)