I believe, generally, the version parameter is ignored or only used for analytics/tracking purposes.
Caveat: It's possible that some EDD installs were customised to allow downloading older versions, but I have tested a few different EDD sites for plugins I own, and haven't been able to find any that do.
While working on my PR (#9) I noticed that the behaviour around EDD-hosted plugins is a little confusing.
It turns out, the EDD Licensing API
check_version
endpoint only returns the latest version of a plugin.I believe, generally, the
version
parameter is ignored or only used for analytics/tracking purposes.Caveat: It's possible that some EDD installs were customised to allow downloading older versions, but I have tested a few different EDD sites for plugins I own, and haven't been able to find any that do.