/mms/mongodb-releases/ is continually updated with the most current minor release of each major version which can fill the partition.
This request is for "Only download to /mms/mongodb-releases/ those versions actually in use in a deployment"
eg if I am only using 4.2.20 in my actual deployments only download the most recent 4.2.x and not 3.6.x
of course if I do decide to deploy a 3.6.x deployment this FR would need to automatically be bypassed and download my 3.6.x and the most recent 3.6.x.
This request is _similar_ to but not the same as another Feature Request:
[Do not download EOL releases](https://feedback.mongodb.com/forums/924355-ops-tools/suggestions/41942782-do-not-download-eol-releases)