You can use the revert command to revert to the last version, but what if you want to pin to a specific version? From what I've heard, that is not possible.
... and what if you revert a package, and a new version gets published, will it pull the rug out from under you and update again?
... and what if you revert a package, and a new version gets published, will it pull the rug out from under you and update again?