Version 1.6.4+dfsg-2 of r-cran-htmlwidgets is marked for autoremoval from testing on Wed 15 Apr 2026. It depends (transitively) on r-cran-base64enc, r-cran-evaluate, r-cran-htmltools, r-cran-httpuv, r-cran-jsonlite, r-cran-later, r-cran-mime, r-cran-rappdirs, r-cran-xfun, affected by #1127064, #1130307, #1130308, #1130385, #1130399, #1130413, #1130453, #1130455, #1130903. You should try to prevent the removal by fixing these RC bugs.