After several discussions between snapd architects, security, advocacy and other reviewers, we’ve updated our removable-media criteria in our processes.
Applying the new criteria to this request, jdownloader2 does not fit into one of the known categories (eg, browsers, media player, editor, recorder).
While I agree some users might find it useful for jdownloader2 to download to removable-media, I don’t think that utility outweighs the user’s voice since “removable-media may contain sensitive documents, sensitive pictures/media, encryption keys, etc and that snapd has no insight on the nature of the data” (see the above url). As such, -1 for auto-connection.
@reviewers - can others please vote?