Version 2018.3.1 is an unreleased bugfix release for 2018.3.0. This release is still in progress and has not been released yet.
groups_pillar_name for the slack engine, the engine should be
used as part of a salt-minion process running on the master. This will allow
the minion to have pillars assigned to it, and will still allow the engine to
create a LocalClient connection to the master ipc sockets to control
2018.3.0 salt-ssh was configured to automatically update the flat roster
file if a minion was not found for salt-ssh. This was decided to be
undesireable as a default. The
--skip-roster flag has been removed and
--update-roster, which will enable salt-ssh to add minions
to the flat roster file. This behavior can also be enabled by setting
ssh_update_roster: True in the master config file.