➥ Geminate comes with a unqiue feature for pricelist with containing product (template), so on the time of purchase if you are adding product and their related variants with multiple individual product lines then rule will get in effect based on total number of quantity for variants of same product (template). Originally in standard odoo, it is affecting the rule on each individual product line instead of group of product variants belong to same product (template) inside one order or shopping cart.