The September 2025 release focuses on faster operations, smarter upsell logic, sturdier integrations, and clearer reporting—so you can build modern, responsive ecommerce experiences that convert. From StoreFront upsell improvements to new shipping options and REST API updates, these enhancements help you scale advanced ecommerce operations with confidence.
Integrations
- PayPal tracking: better rate-limit handling
High-volume shippers now enjoy more resilient PayPal tracking updates under heavy load.\ - T-Force LTL freight (new)
Add real-time LTL quotes from T-Force to improve large-order checkout flows. - Shippo + FedEx international (expanded)
Additional FedEx international methods are now supported via Shippo to simplify global online shopping. - ActiveCampaign data flow
Ecommerce data is always sent—even when you’re not adjusting list subscriptions. - WishListMember refunds
Smoother behavior for auto-order refunds. - The Fulfillment Lab: improved logging
Enhanced logs make exception handling and support easier. - Sunday→Monday algorithm
Smarter holiday awareness for delivery date adjustments. - PayPal Crypto (certified)
Integration certified; rollout planned for November.
StoreFront & Visual Builder
- Upsell UI enhancements
Search, status filters, and offer-settings improvements make large catalogs easier to manage. - Substantial upsell trigger & suppression logic upgrades
More precise control over when offers appear, helping you present the right cross-sell or downsell at the right time—no plugins required. These upgrades pair perfectly with UltraCart’s built-in upsell engine and experiments for higher AOV. - Complementary Items (new)
A new related-item type in Item Management—plus a Visual Builder “Complementary Items List” element—lets you surface add-ons contextually across your eCommerce storefront. - PayPal Fastlane
If a customer authenticates with Fastlane and the order total is $0, checkout won’t show an error. - Checkout conditions
CheckoutCondition
: new condition for billing country.CheckoutItemCondition
: new condition for item savings at higher quantity.CheckoutShippingMethod
: carrier selection option added for more flexible shipping UX.
- MegaMenu
New “toggle only” setting for cleaner navigation on mobile-first, responsive ecommerce sites.
StoreFront Communications
- Webhook step: custom headers
Add additional HTTP headers to outbound webhooks for cleaner integrations and secure, event-driven automation—ideal for omnichannel marketing and order updates.
Item Management
- Bigger, faster item updates
The Price Update tool now supports large updates via background jobs—no timeouts on big catalogs. - Item editor performance
Optimized JavaScript on the main editor page significantly reduces load time. - New “Complementary Items” relation
Define accessories and add-ons that power targeted upsells and cross-sells across your storefront and checkout. (Pairs nicely with UltraCart’s upsell builder and experiments.) - Overhauled item search
Faster filtering + pagination to navigate extensive SKUs. - Ship separately (per method)
Configure the Ship Separately flag at an individual shipping-method level for granular fulfillment logic. - Round-trip mapping fixes
Several export/import mapping issues resolved for smoother bulk edits.
Order Management
- Pending Clearance UI
Significant UI/UX improvements for the Pending Clearance department and search filtering make exception handling faster. - Batch tool → Klaviyo
Batch order update tool can now resend to Klaviyo—helpful for backfills and reconciliation. - Authorize.Net declines (AI-augmented)
Clearer, AI-enhanced messaging on declined transactions helps CS teams resolve payments faster. - Merchant notes sync
The note field on the main tab now syncs with the first order in the history tab—no more duplicate edits. - PayPal disputes in Shipping
Additional PayPal dispute statuses are visible, with an option to reject orders directly from Shipping.
Reporting & Analytics
- Item Sales Report: resilient cell styles
Optimized styling prevents errors on very large reports. - Reporting menu overhaul
The menu now aligns with our new AI reporting experience for a more intuitive analytics workflow—continuing the AI reporting rollout introduced in August. - Backend UI: Reporting
Visual refinements unify the analytics experience across dashboards, builders, and exports.
Tip: UltraCart’s AI-powered reporting and built-in experiments make it easy to test offers and pages while tracking revenue, costs, and profits—no extra tools required.
Data Warehouse (BigQuery)
- Fix: uc_storefront_page delete
Resolved a deletion edge case. - Fix: item path after move
Corrected item path handling following move operations.
REST API & Developer Tools
replaceOrderItemMerchantItemId
(new)
Replace a shipped line item’s merchant_item_id—useful for post-shipment corrections and downstream reconciliation.- StoreFront Communications Webhook
As noted above, the flow step now supports extra HTTP headers for custom integrations. - Backend UI – Advanced / Developer Tools
Freshened UI for faster navigation and discoverability.
Channel Partners
- ShipStation channel partners
Inject fixed items automatically when routing through ShipStation to maintain accurate pick/pack lists.
Configuration & Permissions
- Shipping packages list
Dimensions and weight now display directly in the package list for at-a-glance auditing. - Free replacement shipments (new permission)
Fine-grained control over who can create replacement shipments at no charge. - Payment UI enhancements
Streamlined configuration for a faster setup of gateways and alternative payments.
Backend UI Enhancements
- Order Management: Pending Clearance
Additional filtering options, clearer order rows, and status cues. - Developer Tools UI
Cleaner navigation and labels. - Payment UI
Improved layout and help text for faster onboarding.