* Fix - Inconsistency in the height of Express Payment Button and compliance with the new Woo Express Payment Method Styling API.
* Fix - Ensure the "Uncaught TypeError" JavaScript console error does not occur for out-of-stock products.
* Fix - Ensure compatibility with WooPayments extension.
* Dev - Bump WooCommerce "tested up to" version 9.1.
* Dev - Bump WooCommerce minimum supported version to 8.9.
* Dev - Update NPM packages and node version to v20 to modernize developer experience.