Issue #1380772: Update product display via ajax when add-to-cart form data changes (e.g. attributes).
Issue #1533286: Add support for Variable module to allow translation of checkout messages.
Issue #1553700: Implement add to cart, print invoice and set order status as Views Bulk Operations.
Issue #1566306: Add setter callbacks for product node properties.
Issue #859724: Add help message explaining how to use PayPal in 2Checkout.
Issue #730120: Add dimensions and package quantity fields to Views.
Issue #1060810: Add shippable field and filter to Views.
Issue #1603740: Allow hook_uc_cart_pane_alter() to change weight and enabled values.
Issue #1655398: Add option to notify when bulk changing the order status.
Issue #1380772: Add identifying classes to replaceable product node elements.
Issue #1380772: Set Ajax ID on attribute subform.
Issue #998630: Add support for 2Checkout header redirect method.
Issue #1556368: Allow 'Notify customer when a role is revoked' conditions to check for role being revoked.
Issue #1744998: Add id to order total preview table.
Bug fixes since 7.x-3.1:
Issue #1587336: uc_order depends on uc_product.
Issue #1487268: Fix entity creation callback for orders.
Issue #1621410 by jacksinn: Remove $ from in front of variable_get
Issue #658176: Remove inline CSS.