PHP 7.3 reaches end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in April 2022. We
strongly recommend planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.
Magento_CatalogRule module is responsible for one of the types of price rules in Magento. Catalog Rules are applied to products before they are added to the cart.