util-linux (2.29.2-3) experimental; urgency=medium The mount package is no longer Essential: yes. Any packages which strictly needs a utility from the mount package should add a dependency! The mount package has been made 'hard to mistakenly uninstall' by adding the Important: yes field. If you really want to uninstall the mount package (eg. for your minimal container) you can, assuming no other package depends on it, use: dpkg --purge mount -- Andreas Henriksson Sun, 06 Aug 2017 14:59:02 +0200 util-linux (2.24.2-1) experimental; urgency=low The support for encryption in losetup has been dropped. (And the patch for supporting hashed passphrases in debian with it.) The recommendation is to use cryptsetup instead. -- Andreas Henriksson Mon, 16 Jun 2014 18:00:16 +0200