WooCommerce 9.9.4 Released: Several Stability and Security Improvements

June 16, 2025The WooCommerce team has released version 9.9.4 update!.. The update focuses on improving system stability and fixing several edge case issues that users and developers have reported. The update covers product categorization, shipping calculations, UI consistency, security enhancements, and strategic adjustments to email functionality.

📌 Current Stable Version

WooCommerce 9.9.4(Click to download the latest version of WooCommerce)

Release date: June 16, 2025

🆕 Highlights of this update

🔄 Auto Enable for Pause New Mail feature

As a precautionary measure, the team has decided, based on feedback from some merchants and developers, toSuspension of the automatic activation of the "new e-mail design".(#)58828).
Merchants that have enabled the feature are not affected, and those that have not will receive aManually Enable PromptsThe

🔐 Security enhancements

🛡️ Enhanced Filtering of Background Report Query Input to Prevent SQL Injection Vulnerability (#)58857)

exist get_order_report_data() function instead of the $wpdb->prepare()Improvement coupon_codes and other parameters are handled securely, reducing potential injection risks.

🐞 Important Bug Fixes

• Provide error alerts when the WCCOM API is not available(#)58750)
  avoidance of API No response leads to a blank page and improves system robustness.
• Fix the problem that empty top product categories are hidden.(#)58821)
  wc_change_term_counts() This update restores the visibility of some empty categories in the navigation menu that could have been lost due to a bug in the
• When the COGS function is turned off, the General tab of the hidden variable product is hidden.(#)58701)
  If the user does not enable the costing function (COGS), the variable product will no longer display the "General" label, and the interface will be more in line with the actual settings.
• Fix All Products block crashes with no header mini carts(#)58741)
  Resolved an issue where the All Products module could be laid out abnormally when the mini-cart was not in the site header.
• Default shipping rate is 0 instead of the empty string(#)58804)
  Ensure that shipping rules with undefined prices do not cause miscalculations or confusing displays.
• (coll.) fail (a student) php_uname() Backup information when disabled(#)58734)
  Added a fallback mechanism to prevent error reporting in case the PHP function is disabled on some high-security servers.

summarize

WooCommerce 9.9.4 is an update focused on stability and detailed optimization, with special attention to the UI, data security, and compatibility performance in extreme environments. It is recommended that all sites upgrade as soon as possible after backup for optimal performance and security.

If you encounter any problems in the process of using WooCommerce, welcome to leave a message to exchange, or pay attention to the photon fluctuation network to learn more! WordPress Tutorials and plugin information.

Contact Us
Can't read the tutorial? Contact us for a free answer! Free help for personal, small business sites!	Customer Service
① Tel: 020-2206-9892
② QQ咨询：1025174874
(iii) E-mail: [email protected]
④ Working hours: Monday to Friday, 9:30-18:30, holidays off