Change log: Diagnostics section updates
In July 2018, the Diagnostics section of the Merchant Center was updated with additional customization, including the ability to view sample items for errors in the past, and to filter by: country, destination, and feed.
Previously, you could only download one large report of all issues, but you can now download individual reports for each issue. These download reports now include three additional attribute fields to help with troubleshooting: custom labels, Google product category (GPC), and product type. Learn more about the item issues download. (Posted July 2018)