This page contains links and information about the RatingFilters plugin for Rhythmbox. The plugin adds rating filters to the library browser, allowing you to filter favourite or unrated tracks. You can set the favourites threshold in the plugin preferences.
You can download the latest version of the plugin here.
To install, run ‘install.sh’ or copy the contents of the archive to ~/.local/share/rhythmbox/plugins/RatingFilters/ and run the command sudo glib-compile-schemas “/usr/share/glib-2.0/schemas/”.
You can grab a copy of the source code from the repository here.