Brief
We have updated the 'admin_product.php' file for version 3.6.
Description.
A few options were not copied when duplicating a product, namely:
Quantity Prices
Downloadable Files
Serial Numbers
Parent Options for subcomponents
Solution.
We would recommend you to download an updated version of the file from here:
http://www.viart.com/downloads/admin_product-3.6.zip
Further, extract the above mentioned file into the 'admin' folder of your shop replacing an existing one. Don't forget to make a backup copy of the current file in case something goes wrong.