Version 4.5.7-1 of dssp is marked for autoremoval from testing on Thu 28 May 2026. It depends (transitively) on libcifpp, affected by #1133818. You should try to prevent the removal by fixing these RC bugs.
vcswatch reports that
this package seems to have a new changelog entry (version
4.6.0-1, distribution
unstable) and new commits
in its VCS. You should consider whether it's time to make
an upload.