This affects me too after yesterday's updates.
$ lsb_release -rd Description: Ubuntu Raring Ringtail (development branch) Release: 13.04
$ unity --version unity 6.6.0
This affects me too after yesterday's updates.
$ lsb_release -rd
Description: Ubuntu Raring Ringtail (development branch)
Release: 13.04
$ unity --version
unity 6.6.0