Package: xul-ext-gcontactsync Version: 2.0.13-1 Severity: grave The version of gcontactsync in unstable is incompatible with the Thunderbird version in unstable.
A new upstream version exists, that should be compatible. Cheers, Bastian -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.18.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages xul-ext-gcontactsync depends on: ii thunderbird 1:60.2.1-1 xul-ext-gcontactsync recommends no packages. xul-ext-gcontactsync suggests no packages. -- no debconf information