Users got new features in product inventory making it very easy for them to add products as favorites.
These new features are very helpful for those users who sell the same products on a regular basis. They can take advantage of this feature by adding that particular product as a favorite.
Only Administrators of inventory users are allowed to carry out this operation.
To add products as the favorite, simply click on the Start button, which you can find in the Kanban view of the product as we can see in the image given below, also you can find in form view just before the name of the product.
Now in the system, we can spot our favorite products in every field at top of the list. On top of that, we can add multiple products as favorite. 
Also, we can see that product at all view of product template and variant of that template.
New Features in Inventory for Products