WooCommerce Product Add-Ons 7.9.1

* Important: New - Product Add-Ons now requires Product Bundles 7.2+ for the integration between the two plugins to work.
* Important: New - Product Add-Ons now requires Composite Products 9.1+ for the integration between the two plugins to work.
* New - REST API v2.
* New - Introduced compatibility with the new Product Editor.
* New - Added support for add-ons configuration in admin orders.
* Tweak - Started recording raw prices and user supplied values for orders created with add-ons.
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* Important - New: PHP 7.4+ is now required.
* Important - New: WooCommerce 8.2+ is now required.
* Important - New: WordPress 6.2+ is now required.
* Important - Removed all previously deprecated code.
* New - Updated the 'woocommerce_product_addons_update_product_price' filter to modify the flat fees sum associated with a cart item, as well. Used in WooPayments MultiCurrency 8.1+.
* Fix - Normalised the way that custom price fields are saved.
* Fix - Fixed a pay-for-order conflict with...

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* Fix - Deactivate plugin for WooCommerce versions prior to 8.2 to avoid fatal errors.

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* New - Added full validation to order add-on configuration in the admin.
* New - Use global add-on ID for class names in global add-ons.
* Fix - Resolved a PHP warning triggered when adding a product with add-ons to the cart, while using WooCommerce 9.2+.
* Fix - Resolved PHP warnings triggered when doing a REST API v2 request with missing data.
* Fix - Corrects the validation for quantity fields to validate the min and max values even if the field is not required.
* Fix - Prevent negative...

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* Fix - Resolved warning triggered by global add-ons without ID.

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* 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.

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* 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.

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* 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.

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