• (+) Exporting orders and queries into CSV files in both front-end and back-end.
• (+) Extra attributes belonging to different groups are displayed separately within the compare page.
• (+) Added related accessories option (cross-sales) which works similar to related products, except the accessories are displayed on cart pages.
• (+) Extended permissions system is available in the back-end. Permissions allow you to grant access to only specific parts of the DJ-Catalog2 area.
• (+) Price rules management - extended discount/tax management.
• (+) Added product availability information field.
• (+) Added possibility to split the order into several shipments based on product availability.
• (+) Wish list added.
• (+) A new option allows selecting the category page on which search results are displayed (DJ-Catalog2 Search Module.)
• (+) Product customizations received new types of fields (radio/checkboxes).
• (+) Improved scrolling to the results page. It's now possible to disable scrolling or select which DOM element should browser window scroll to when using filters (Ajax Filters App.)
• (+) New parameter - data format
• (+) DHL24-PL Shipment plugin
• (+) DPD-PL Shipment plugin
• (+) InPost Shipment plugin
• (+) Pocztex Shipment plugin
• (!) Changed the way extra fields are being rendered which makes it easier for developers to modify their layout.
• (!) The fixed incorrect price display on checkout pages.
• (!) Fixed validation bug when selecting payment or delivery method during checkout.
• (!) Minor bug fixes and improvements.
• (!) Fixed problems with scrolling to newly loaded pictures.

More information in the blog post: DJ-Catalog2 3.7.4 with price rules, wishlist, and more new important features!