Hexchat icon missing from xfce4-panel
I've upgraded my system to Xfce 4.16 using:
$ sudo add-apt-repository ppa:xubuntu-dev/staging
$ sudo apt update; sudo apt upgrade
However, after the upgrade, Hexchat icon is gone from the panel.
$ uname -a
Linux smartalex-bed 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal
$ xfce4-panel --version
xfce4-panel 4.16.0 (Xfce 4.16)
Copyright (c) 2004-2011
The Xfce development team. All rights reserved.
Please report bugs to <http://bugzilla.xfce.org/>.
BTW, that address is no longer valid.