You can just edit Draft listings in bulk now.
Go to Draft > Select products > Click on Bulk Edit, and you will be redirected to Category Mapping page
If the products are scraped or copied from different marketplaces, you need to map the category and variant to get more scraped information (variant price, stock etc.)
Just map them and click on Save and Next Step.
Select what you would like to edit.
Click on the Table Content to edit information for each product, or you can click on the Edit button as below to edit in bulk. Don't forget to click on Save in the end.
Please don't forget to select products and click on Publish if you need to upload them to stores.