Very important line at the bottom of this support article that will
probably will keep most your old scripts functioning properly.
Admittedly I have not tested it. zsh can be made to emulate sh by
executing the command zsh --emulate sh
For anyone still looking for Nomad login to manage the password changes.
There is a slack channel that currently has an alpha version of Nomad
Login that will help keep the user password in sync. #nolo-localsyncbeta