Hints for rhythmbox in main

org.gnome.Rhythmbox3.desktop ⚙ amd64

translations-not-found
Unable to add languages information, even though a translation tag was present in the MetaInfo file. Please check that its value is set correctly, and all locale files are placed in the right directories (e.g. /usr/share/locale/*/LC_MESSAGES/ for Gettext .mo files).
screenshot-download-error
Error while downloading screenshot from 'https://people.gnome.org/~jmatthew/rhythmbox-appdata-screenshot.png': URL was not found on the server.
This might be a temporary server issue, or the screenshot is no longer available.

asv-url-not-secure
org.gnome.Rhythmbox3.appdata.xml:252 - http://www.gnome.org/friends/
Consider using a secure (HTTPS) URL for this web link.