The tag is present in Lintian version 2.114.55. That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit a1e47cb. For merge requests, please use the latest version in the Lintian check appstream-metadata.
The AppStream metadata contains the obsolete root node
<application>. It was used in a a legacy format.
The application metadata for your package should follow the new
format described on freedesktop.org.
You can validate draft formats with 'appstreamcli validate'.
For more information please consult: