ere are the few naming conventions that are followed since 1.9.0 version.
Instead of BOGO Product Discount option, these options are right in just one click.
In Woo discount rules --> Price Rules Settings --> Discount tab.
Dropdown under receive discount for is merged in Adjustment type itself.
Auto add all selected products is henceforth Buy X get Y (Auto add all selected Products)
Same Product is henceforth Buy X get X(same product)
Cheapest in cart - selected category(ies) is the same.
Cheapest in cart - selected item(s) is the same.
Cheapest among all items in cart is the same.