Only subject and date in lists? No author, user picture, etc.

On the private messages view page, it is only listing the subject and date the message was sent.

The theme function theme_privatemsg_message_row() seems to assume that an ins_new, author, subject, and timestamp will make their way to the function, but when I grab a dump of $row, it contains only:

$row = Array
(
    [thread_id] => 3
    [subject] => My test subject
    [timestamp] => 1232004328
    [is_new] => 1
)

Looking at the query used, it doesn't appear to be asking for anything else. All it's going for is:

SELECT pmi.thread_id, MIN(pm.subject) as subject, MAX(pm.timestamp) as timestamp, MAX(pmi.is_new) as is_new FROM {pm_message} pm INNER JOIN {pm_index} pmi ON pm.mid = pmi.mid WHERE (pmi.uid = 1) AND (pmi.deleted = 0)  GROUP BY pmi.thread_id  ORDER BY is_new desc, timestamp DESC

Looks like there would need to be a join to the user's table, to get username, or at least a return of the uid of the author so that a theme call or something could be made.