# Composable Commerce Functional Refresher 2026 Prepare to take your Certification Renewal exam by revisiting the key changes to Composable Commerce over the last 12 months. **Learning objectives** After completing this module, you should be able to: - Describe the key changes and updates that have been made to Composable Commerce in the last 12 months. - Identify how these changes affect the use of the Composable Commerce API in your projects. **Agenda** - [Release highlights of 2025](/certifications/composable-commerce-functional-refresher-2026/2025-release-highlights.md) - [Product Catalog updates](/certifications/composable-commerce-functional-refresher-2026/product-catalog.md) - [Customers updates](/certifications/composable-commerce-functional-refresher-2026/customers.md) - [Pricing and Discounts updates](/certifications/composable-commerce-functional-refresher-2026/pricing-and-discounts.md) - [Carts and Orders updates](/certifications/composable-commerce-functional-refresher-2026/carts-and-orders.md) - [Other updates](/certifications/composable-commerce-functional-refresher-2026/other-updates.md) **Prerequisites** - [Composable Commerce Functional Architect Training](https://commercetools.com/training/functional-architect) - [Composable Commerce Functional Architect Certification](https://commercetools.com/certification) **Audience** - Technical team leads - Technical solution architects - Backend and frontend developers ## Related pages - [Area overview page with navigation](/certifications.md) - [Next page: Release highlights of 2025](/certifications/composable-commerce-functional-refresher-2026/2025-release-highlights.md) - [Search documentation and API specs](/search.md)