The package has a debian/watch file, but the last attempt
to use it for checking for newer upstream versions failed with
an error:
In watchfile debian/watch, reading webpage https://www.code-saturne.org/cms/download/prerequisites failed: 404 Not Found
testing migration
This package will soon be part of the mpi-defaults transition. You might want to ensure that your package is ready for it.
You can probably find supplementary information in the
debian-release
archives or in the corresponding
release.debian.org
bug.