Version 1.7.3-4 of libbio-tools-phylo-paml-perl is marked for autoremoval from testing on Sat 04 Oct 2025. It depends (transitively) on coils, csh, libace-perl, primer3, sim4, affected by #1096450, #1096486, #1097160, #1097649, #1097885. You should try to prevent the removal by fixing these RC bugs.