This is a feature request. Currently 2019.2.1 has released and broken my workflow. And I have no timeline or understanding when the issue will be fixed. This request is to take more control of the bootstrap process for new nodes using saltstack.
This feature request is asking for a way to pin to earlier releases as a parameter in the cloud provider. Such a parameter would point to one of the older locations; eg:
Where the new parameter is 2018.3, the repo would point here;