I cannot comment on any official (or unofficial) plans on if we are going to open anything up or not. So don't take anything I say as I'm turning down the possibility or confirming the possibility of an open bug tracker. Just want to make that 100% clear before I talk further.
Completely opening Jira up will simply not work because we have internal processes and customer information in tickets that we simply cannot allow everyone to see. Employee A opens a ticket from a paying subscriber in Company X, Company X may not want their name or application information released to the public but that application information may be crucial for that bug to be reproduced by an engineer.
So it's not that we want to be closed off and use a forum for a bug tracker, it's more the semantics of how to employ Jira with sensitive information that could be viewable.