Adds a true hierarchy mode.
Note: This will break existing sites using the older hierarchy view. You should read the help for information as to how to use the new view.
Adds the ability to add custom fields to the admin side product table view.
Improves the CSV import function.
Adds a new dimension data field.
If a thumbnail is available for uploaded images AND jquerytools is available tnen the image can be viewed in a fancybox from the admin.