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: Dmitry Shachnev <email@example.com>
Date: Sun Oct 25 13:30:14 2020 +0300
Backport upstream patch to fix build with Qt 5.15.