right demo url: https://addons.prestashop.com/en/promotions-gifts/7422-price-increment-reduction-by-group-category-and-more.html#specifications
latest version:
Version 1.6.4 - 10/20/2023
Minor
PrestaShop compatibility: 1.5.0.0 - 8.1.4
Faceted search prices drop compatibility
Minor issues fixed