Version 1.18.1+dfsg-1 of r-cran-dendextend is marked for autoremoval from testing on Sat 12 Apr 2025. It is affected by #1099069. The removal of r-cran-dendextend will also cause the removal of (transitive) reverse dependencies: r-bioc-degnorm, r-bioc-degreport, r-bioc-demixt, r-cran-factoextra, r-cran-heatmaply. You should try to prevent the removal by fixing these RC bugs.