Version 1.1.4.3+dfsg-1 of r-cran-treespace is marked for autoremoval from testing on Thu 15 May 2025. It depends (transitively) on r-cran-bslib, r-cran-fansi, r-cran-vegan, affected by #1099926, #1101679, #1102590. You should try to prevent the removal by fixing these RC bugs.