This package will soon be part of the boost1.81 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.
Migration status for salmon (1.5.2+ds1-1 to 1.6.0+ds1-1): Waiting for test results, another package or too young (no action required now - check later)