richard@Richard-Notebook-3:~$ sudo apt full-upgrade
[sudo] password for richard:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  oxideqt-codecs-extra
0 to upgrade, 0 to newly install, 0 to remove and 1 not to upgrade.
richard@Richard-Notebook-3:~$