System settings are now persistent. They will not be lost when the robot is updated.
This include:
Logging in as root over ssh is now disabled. However, the su command remains available.
The root password is root. We recommend to change the nao‘s password using the web page.
NAOqi is no longer installed in /opt/naoqi. It is now packaged and installed like any others programs in /usr.
For further information about the NAOqi, refer to: NAOqi release note.