Hints for xfburn in main

org.xfce.xfburn ⚙ x86_64

asv-category-invalid
org.xfce.xfburn.appdata.xml - Multimedia
The category name is not valid. Refer to the XDG Menu Specification for a list of valid category names.
asv-all-categories-ignored
org.xfce.xfburn.appdata.xml -
All categories for this component have been ignored, either because they were invalid or because they are of low quality (e.g. custom 'X-' prefixed or toolkit ones like 'GTK' or 'Qt'). Please fix your category names, or add more categories.
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://docs.xfce.org/_media/apps/xfburn-0.4.1.jpg': URL was not found on the server.
This might be a temporary server issue, or the screenshot is no longer available.

asv-id-tag-has-type
org.xfce.xfburn.appdata.xml:4 - org.xfce.xfburn
The <id/> tag still contains a `type` property, probably from an old conversion to the recent metainfo format.
asv-developer-info-missing
org.xfce.xfburn.appdata.xml -
This component contains no `developer` element with information about its author.