// Create a new file at /etc/apt/apt.conf.d/99phased-updates with two lines
// https://askubuntu.com/questions/601/the-following-packages-have-been-kept-back-why-and-how-do-i-solve-it/1427930#1427930

// Only for Ubuntu Desktop GUI:
// Update-Manager::Always-Include-Phased-Updates "true";

APT::Get::Always-Include-Phased-Updates "true";