richard@Richard-Notebook-3:~$ apt list --upgradable
Listing... Done
libreoffice-style-elementary/xenial-updates,xenial-updates,xenial-security,xenial-security 1:5.1.6~rc2-0ubuntu1~xenial1 all [upgradable from: 1:5.1.4-0ubuntu1]
N: There are 2 additional versions. Please use the '-a' switch to see them.