Just an interesting observation after installing Sierra on my 2010 Mac Pro - it doesn't allow the local computer password to be the same as your iCloud password. If they are, it forces you to change the local password.
EDIT: So looks like it doesn't stop you from changing it back in System Prefs afterwards. Not sure if/when it will complain again.
-Kevin
EDIT: So looks like it doesn't stop you from changing it back in System Prefs afterwards. Not sure if/when it will complain again.
-Kevin