It was a problem in 2.11 and 2.2, and I installed 2.3 last night, and it is still not working.
You also need to update showproduct. It isn't showing the # of "items sold" or the "value of items sold".
after
Code:
Content visible to verified customers only.
on line 720,
showproduct.php is missing the following
Code:
Content visible to verified customers only.