This plugin provides an Ubuntu Indicator icon for use in the Plasma 5 desktop environment. Plasma 5 no longer provides a general purpose notification tray, so the standard Pidgin tray icon does not appear. The official Ubuntu alternative is an integration with their Messaging indicator, which consolidates status from multiple applications.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/rvokal/pidgin-indicator/