I'm trying to update Ubuntu from 18.04 but five xserver packages are being held back from upgrading. How do I fix this?
(xenial)kia7269@localhost:~$ apt list --upgradable
Listing... Done
xserver-xorg-core/bionic-updates,bionic-security 2:1.19.6-1ubuntu4.8 amd64 [upgradable from: 2:1.18.4-0ubuntu0.11]
xserver-xorg-input-evdev/bionic 1:2.10.5-1ubuntu1 amd64 [upgradable from: 1:2.10.1-1ubuntu2]
xserver-xorg-input-synaptics/bionic 1.9.0-1ubuntu1 amd64 [upgradable from: 1.8.2-1ubuntu3]
xserver-xorg-input-wacom/bionic-updates 1:0.36.1-0ubuntu1.1 amd64 [upgradable from: 1:0.32.0-0ubuntu3]
xserver-xorg-video-intel/bionic 2:2.99.917+git20171229-1 amd64 [upgradable from: 2:2.99.917+git20160325-1ubuntu1.2]
(xenial)kia7269@localhost:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
xserver-xorg-core xserver-xorg-input-evdev xserver-xorg-input-synaptics xserver-xorg-input-wacom xserver-xorg-video-intel
0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
(Side note: is it supposed to say "xenial"? Or "bionic"? Is that related?)