Search Deleted Issues
Search for deleted issues by project, or by person, or by date.
Or, any combination of the the above search criteria.
You then have the option to restore all, or group, or individual issues, if appropriate
Start using this add-on by navigating to Issues Deleted page:
From here, you can start searching for deleted issues by project, who and when
On any selected issue, you can click View to see more history information of that issue: description, assignee, reporter, status
With that given information, you could determine to restore the issue, or permanently delete it:
If you have a bunch of issues that are needed to restore or delete in bulk, Restore All or Empty All are your to-go options