• Fixed error in processing callbacks of online payment systems.
• Fixed error in retrieving shipping option list when creating or editing order in backend.

• “Include products from subcategories” parameter is now applied to backend.
• Resizable left sidebar in “Products” backend screen.
• Improved category settings dialog.
• Fixed error in displaying subcategories of a hidden parent category.
• Added new plugin hooks including backend_settings_discounts and order_calculate_discount for developing custom discount calculation plugins.
• Minor bug fixes.

• Added option to display product categories in arbitrarily selected storefronts.
• Added auto-redirection to payment service website upon checkout completion in the storefront.
• Added hooks for plugin development: order_calculate_discount, category_save, category_delete, backend_category_dialog, backend_products; also new hooks for order processing actions: order_action.create, order_action.pay, etc.
• Fixed error in the editing of orders containing products with zero stock count.
• Fixed various errors in CSV file import function.
• Minor bug fixes.

• Added new multi-dimensional types of product features: “Value x Value” and “Value x Value x Value” (for specifying screen sizes, packaging dimensions, or other similar values).
• Improved handling of callbacks from payment systems: they are now logged to the order processing history.
• For developers: in addition to method callbackPaymentHandler() available in payment plugins, additional methods for the following actions have been implemented: Cancel, Auth, Capture, Refund, Decline, Chargeback.
• For developers: added possibility to select create product collections using product feature values (example of a collection hash: search/brand=Samsung).
• Fixed displaying of products inside nested dynamic categories.
• Fixed displaying of subcategory list in the parent category page in different storefronts.
• Fixed visual defects in customer's online account in several design themes.
• Fixed incorrect printing of large orders in Firefox and Opera browsers.
• Fixed other minor defects.

• Added new product feature type “range”.
• Fixed errors in the product features management screen.
• Fixed errors in the functioning of the WorldPay payment module.
• Fixed other minor errors.

New shipping rate calculation and payment modules available for installation:

• Authorize.Net SIM
• FedEx
• UPS
• USPS

Fixed several minor errors.

• Added 3 new design themes: Clear, Sidebar, Nifty
• Improved payment plugins callback handling
• Improved verification of in-stock balance and availability for ordering of products added to the shopping cart
• Added plugin hook @backend_order
• Various system-level optimizations and bug fixes

• Checkout: 1) Multiple improvements in the checkout configuration UI, 2) Contact form's Radio button improvements: a new configuration option which allows to hide certain contact form fields depending on the currently selected value, 3) The ability to disable contact form validation in the backend checkout (when order is placed by the store administrator on behalf of customer, e.g. phone order), 4) Terms of Service: a new setting of the “Confirmation” order step.
• Default and CUSTOM theme improvements: 1) Minor CSS tweaks and bug fixes for Internet Explorer, 2) checkout.*.html template improvements related to handling of unexpected situations and uncommon checkout cases.
• Bug fixes, multiple tweaks addressed to the overall stability improvement.

• Fixed checkout error in Internet Explorer 9 with "CUSTOM" storefront theme enabled.
• Fixed error of adding products to shopping cart with "Selectable features" selling mode enabled.