// Remove unused automatically installed kernel-related packages
// (kernel images, kernel headers and kernel version locked tools).
Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";

// Do automatic removal of new unused dependencies after the upgrade
// (equivalent to apt-get autoremove)
Unattended-Upgrade::Remove-Unused-Dependencies "true";

// Allow upgrading from backports repository. This origin pattern is added to
// other configured patterns. This only works if the current distribution is a
// stable release. Also all backuports packages have a priority of 100 which is
// ignored. Only packages that have higher priority set explicitly will get
// upgraded. Only selected FreedomBox packages have high priority set on them.
Unattended-Upgrade::Origins-Pattern {
        "o=Debian Backports,a=${distro_codename}-backports,l=Debian Backports";
};