Version 2.1.2-1 of r-cran-sn is marked for autoremoval from testing on Sat 21 Mar 2026. It depends (transitively) on r-cran-isoband, r-cran-utf8, rcpp, affected by #1127067, #1127349, #1127631. 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
2.1.3-1, distribution
unstable) and new commits
in its VCS. You should consider whether it's time to make
an upload.