Version 1.0.0+dfsg-2 of r-cran-natserv is marked for autoremoval from testing on Wed 15 Apr 2026. It depends (transitively) on r-cran-crul, r-cran-jsonlite, r-cran-utf8, affected by #1127064, #1127349, #1130218. You should try to prevent the removal by fixing these RC bugs.