AdNabu has introduced a new Blacklist feature to manage your feed while using the Google Shopping Feed app in Shopify.
The Blacklist feature allows you to filter the products by collections or product types and block them from getting pushed to Google Merchant Center.
Whenever any new products are added to the blacklisted collection, they will automatically get blacklisted from the feed.
If you use the opted-out feature, you will have to manually opt-out of the new products added to the existing list.
Here are the steps by which you can use the feature:
1. Click on Settings>Blacklist
2. You can choose if you want to blacklist using collection or product type: