We are currently using v3, and have had some issues recently regarding the product descriptions. It appears that for some of the items (specifically the items that have multiple sizes/weights (child products)) do not include descriptions in the feed (although the parent product

here is our feed:
http://www.drywalltoolsoutlet.com/index.php?option=com_vm_rss&type=all


How do we go about fixing this?

And since we purchased v3, do we get to upgrade to v4 for free, or is there a reduced rate to upgrade? We don't really have the need for the feed to be accessible from the frontend, but if the new version comes with a resolution for this issue or improves the display of the products on Google's site, we are open to migration.


Here is what I've received from Google:

QUOTE:
Thank you for participating in Google Base. We've recently reviewed your items and noticed they contain errors. Because of these errors, we've temporarily removed your items from the search results. Please correct the following problems with your items:

Issues:

- Missing descriptions

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- Missing descriptions: We noticed you haven't included complete descriptions for some of your items. Please be sure your data feed contains all the text from your site that describes your items. By including full item descriptions from your website, we'll be better able to match your items to users' queries.

Thanks for your help.