* Fixes an issue when Groups is not activated, producing a warning with PHP 7 and a fatal error with PHP 8.
* Fixes plugin entry's Settings link should also offered when Groups is not active, as long as the user has the manage_woocommerce capability.
* WordPress 6.0 compatible.
* WooCommerce 6.2 compatible.
* Requires at least WordPress 5.6.
* Requires at least WooCommerce 5.8.
* Updated documentation links.
* Replaced uses of deprecated $coupon->is_valid().
* Removed support for use of deprecated cart method cart->coupons_enabled().
* Revised plugin entry code and added plugin action links.
* Revised admin coupon options panel and settings and added extensions.
* Updated the translation template.
* Updated the included translations.
