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: Sébastien Villemot <firstname.lastname@example.org>
Date: Mon Aug 23 10:50:11 2021 +0200
matlab-support.config: replace “which” by “command -v”
The “which” command is non-standard and deprecated.