During October 2025, Mikhail Yevdokimov developed an extensible Cart Shipment Handling feature for the VirtoCommerce/vc-module-x-cart repository. He refactored the AddOrUpdateCartShipmentCommandHandler in C# to support merchant-specific customization by converting private methods to protected virtual, allowing for safer extension without modifying core logic. By introducing cancellation tokens to asynchronous shipment-handling methods, he improved resource management and responsiveness during long-running operations. His work focused on backend development and object-oriented programming, emphasizing maintainability and scalability. The changes enabled clearer separation of concerns and future-proofed the cart shipment workflow, supporting robust, customizable solutions for diverse merchant requirements.