WooCommerce 10.4: Significant Advancements and Enhancements
Release Overview
WooCommerce 10.4 is officially released as of 10th December 2025, introducing a host of new features and improvements designed to enhance performance, accessibility, and user experience. This version marks a crucial step forward for WooCommerce, especially with the introduction of new default features and optimisations that aim to streamline operations for online merchants and developers alike.
Read the full release on the WooCommerce Developer Blog.
Interactivity API Mini Cart: A New Default Standard
Introduction of the Interactivity API Mini Cart
With WooCommerce 10.4, the Interactivity API-powered Mini Cart moves from an experimental feature to being enabled by default. This change integrates WooCommerce more closely with WordPress’s modern frontend architecture, replacing the older, React-based Mini Cart. The benefits include enhanced performance and reduced JavaScript loading times, ensuring seamless integration with WordPress’s interactive elements.
Implications for Developers
Developers should test any customisations against the new Mini Cart implementation. While the legacy Mini Cart will remain available for now, WooCommerce plans to phase it out in subsequent updates. It is advisable to refer to the Interactivity API documentation to ensure compatibility and integration with updated systems.
Performance Boosts with REST API Enhancements
Lazy Loading Implementation
The REST API in WooCommerce 10.4 now benefits from lazy loading, particularly for the WooCommerce Admin and Analytics endpoints. This optimisation prevents unnecessary loading, thereby improving speed significantly by reducing response times. For websites with high traffic or those utilising headless configurations, this enhancement promises noticeable improvements, reflecting in more efficient use of server resources and faster client interactions.
HPOS Datastore Caching
From Experimental to Standard
High-Performance Order Storage (HPOS) caching has graduated from an experimental feature to an option standard within WooCommerce 10.4. Though not active by default, it is recommended for merchants with high order volumes seeking to boost database efficiency. As testing continues across various hosting setups, it is anticipated that HPOS caching will become a default feature in future releases.
Enhanced Block Functionalities
Inner Block Support and Styling Updates
WooCommerce 10.4 introduces improved customisation options for Featured Product and Category blocks through inner block support. Merchants now have increased flexibility in arranging and styling content elements. Additionally, both the Cart and Checkout blocks see refined typography and spacing, delivering a sleeker and more professional appearance for online storefronts.
Prioritising Accessibility Improvements
Commitment to WCAG 2.2
This update continues WooCommerce's dedication to accessibility, aligning with WCAG 2.2 guidelines to make online shopping inclusive. Enhancements include improved navigation controls within product carousels and semantic markup adjustments in email templates, ensuring a more accessible experience for all users, including those relying on assistive technologies.
API and Database Updates
New APIs and Database Indexing
Among the new features, WooCommerce 10.4 includes additional REST API endpoints, facilitating enhanced data management and interface development through features such as the v4 Customers endpoint and individual shipping zone method retrieval. Importantly, this release also incorporates a database update, introducing indexes to optimise data retrieval processes.
Enhanced Stability and Future Directions
As WooCommerce 10.4 sets new standards in terms of functionality and efficiency, users are encouraged to explore the full potential of these updates. For those looking to adopt these changes, guidance is available via the official update guide.
Should you encounter any issues, please report them via GitHub, contributing to the platform's continuous improvement.
