Pending = We have not yet reviewed the report.
Unconfirmed = We have acknowledged the submission but have not yet confirmed whether or not the bug exists.
Confirmed = We've reviewed the bug report and found the source of the error. Fix imminent.
Fixed = The issue has been fixed and/or implemented and should be pushed live shortly if it hasn't been already.
Closed = Reports that we cannot reproduce or need more information. In this case just add a comment and we will review it again.