The tag is present in Lintian version 2.113.26. 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 fields/maintainer/team.
The package is team-maintained but uses a name from another team's name space.
Sometimes teams split up. This tag was designed to make sure the maintainer address is updated when that happens.