When you import a product, you can now easily check the shipping methods available for this product, depending on the countries!
To check the shipping methods available for a product, click on the Edit product button on the bottom left corner of the product card
On the Edit page, click on the "Shipping info" tab to open it
There, you can type in a country (like France), and you will see all the available Shipping Company for this product, for the country selected. You will also see the Shipping Cost, the Estimated Delivery Time, and if the Tracking is possible or not for each of the Shipping Company.