Package: btrfs-progs-udeb Version: 4.14.1-1 Severity: grave Justification: renders package unusable [ Please keep debian-boot@lists.debian.org in copy. ] Hi, Your package is no longer installable (along with its rev-dep partman-btrfs) because it now depends on libzstd1, which isn't a udeb. Cheers, -- Cyril Brulebois (kibi@debian.org) <https://debamax.com/> D-I release manager -- Release team member -- Freelance Consultant