Binary descriptions:

xserver-xorg-input-evdev: X.Org X server -- evdev input driver
xserver-xorg-input-evdev-dbg: X.Org X server -- evdev input driver (development headers)
xserver-xorg-input-evdev-dev: X.Org X server -- evdev input driver (development headers)
xserver-xorg-input-evdev-udeb: X.Org X server -- evdev input driver

Last common version:

1:2.9.0-1ubuntu1

Differences from last common version: