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: Bret Curtis <email@example.com>
Date: Thu Nov 28 09:51:30 2019 +0100
OSG 3.6.4 is broken and OpenMW will crash, reverting to 3.4 for now until patches for OSG 3.6.4 (scheduled for 3.6.5) are available.