this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Andreas Tille <firstname.lastname@example.org>
Date: Tue Feb 12 21:05:09 2019 +0100
Since Published-* fields are deprecated a short packaging skeleton for xnat was created. Thus extra information can be removed here.