2026.08.19 – version 8.4.1
* Fix – Added a directory-listing placeholder to add-on file upload directories, and backfilled existing directories in the background.
* Fix – Secured zero-priced product calculations while preserving Smart Coupons credit amounts.
* Fix – Prevented “Translation loading was triggered too early” notices when the installed WooCommerce or PHP version is not supported.
* Fix – Fixed add-on data being dropped when adding products to the cart through the Store API `/batch` endpoint.
* Fix – Prevented a failed Store API add-to-cart validation from leaving a stale error notice behind for later requests.
* Fix – Prevented unauthorized access to order-item add-on configuration.
* Dev – Restored TLS certificate verification and fail-closed error handling in the release deployment script.
* Dev – Fixed the unit-test CI matrix so coverage config matches this repository, and restored the PHP 8.0 job.