* Fix - Disallowed space-only option names.
* Fix - Improved server-side validation of add-on values during add-to-cart.
* Fix - Preserved per-line coupon discounts and original line totals when editing add-ons in admin.
* Tweak - Bumped WordPress tested up to version to 7.0.
* Tweak - Bumped WooCommerce tested up to version to 10.7.
* New - Added 'Limit file types' option for File Upload add-ons to restrict the type of uploaded files per add-on.
* Fix - Fixed an issue that prevented adding products with preconfigured Add-Ons to the cart via URL.
* Tweak - Bumped WooCommerce tested up to version to 10.5.
* Dev - Important: Updated File Upload template.
* Tweak - Replaced wc_enqueue_js with wp_add_inline_script according to the recommended WordPress core script patterns.
* Tweak - Bumped WordPress tested up to version to 6.9.
* Tweak - Bumped WooCommerce tested up to version to 10.4.
* Fix - Replaced deprecated script handles for compatibility with WooCommerce 10.3+.
* Fix - Allow 0 pre-filled value for Price and Quantity add-ons.
* Fix - Fixed an issue where dropdown options getting hidden when deleting an option.
* Fix - Fixed an issue where subscription products with add-ons couldn't be configured in admin orders.
* Fix - Fixed an issue that prevented manually paying for subscriptions with required add-ons.
* Fix - Fixed an issue that prevented add-on options from being saved correctly when an add-on was removed.
* Dev - Removed deprecated WC_PAO_Core_Compatibility::wc_current_theme_is_fse_theme.
* Tweak - Removed name attribute from product_addons_export_string to improve compatibility with certain hosts.
* Tweak - Updated all json_encode functions with wp_json_encode.
* Fix - Fixed a regression with front-end validation for image add-ons.
* Fix - Fixed a regression with front-end validation for file upload add-ons.