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: Andrey Rahmatullin <email@example.com>
Date: Fri Jun 29 14:18:19 2018 +0500
s/kde-extras/extras/ in Vcs-*.
https://salsa.debian.org/api/v4/projects/qt-kde-team%2Fkde-extras%2Fkvirc API request failed: 404 Not Found at /srv/qa.debian.org/data/vcswatch/vcswatch line 386.