For Linux devs who create your own .desktop files, take note that the appicon_128.png file has been moved. U+It’s no longer placed in the top level of the app folder. It is now located in the Resources folder. You will need to modify the icon path in your .desktop file:
[Desktop Entry]
Encoding=UTF-8
Name=ArGest Server Config Tool
Name[en_US]=ArGest Server Config Tool
Comment=Installation, Configuration, and Management Tool for ArGest Server's Server
Exec=env LIBOVERLAY_SCROLLBAR=0 "/opt/ArGestServerConfig/ArGestServerConfig"
Icon=/opt/ArGestServerConfig/Resources/appicon_128.png
Terminal=false
Type=Application
Categories=System;Administration;Utility