Version 8.9 of dh-ada-library is marked for autoremoval from testing on Sat 01 Jun 2024. It is affected by #1068209. The removal of dh-ada-library will also cause the removal of (transitive) reverse dependencies: adacgi, ahven, dbusada, gnudatalanguage, gprbuild, idlastro, libalog, libaunit, libflorist, libgmpada, libgtkada, liblog4ada, libncursesada, libtexttools, libxmlada, libxmlezout, mpfit, munipack, music123, pcscada, phcpack, plplot. You should try to prevent the removal by fixing these RC bugs.