Additional content:
System with juju-1.25 and juju2 installed (not juju-1-default):
tab-completion works using juju but not juju-2.0:
juju add-<tab> add-cloud add-relation add-storage add-user add-credential add-space add-subnet add-machine add-ssh-key add-unit add-machines add-ssh-keys add-units
juju-2.0 add-<tab> ....
Additional content:
System with juju-1.25 and juju2 installed (not juju-1-default):
tab-completion works using juju but not juju-2.0:
juju add-<tab>
add-cloud add-relation add-storage add-user
add-credential add-space add-subnet
add-machine add-ssh-key add-unit
add-machines add-ssh-keys add-units
juju-2.0 add-<tab> ....