Hints for kid3 in main

org.kde.kid3 ⚙ 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).

asv-unknown-tag
org.kde.kid3.appdata.xml:294 - developer
Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
asv-unknown-tag
org.kde.kid3.appdata.xml:5 - replaces
Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
asv-summary-has-dot-suffix
org.kde.kid3.appdata.xml:61 - Editar metadatos de ficheiros de son.
The component summary should not end with a dot (`.`).