WooCommerce Group Coupons 2.12.0

* WordPress 5.8 compatible.
* WooCommerce 5.9 compatible.
* Fixed an incorrect closing tag used in the Spanish translation.
* Improved the appearance of the administrative interfaces for the Groups and Roles coupon settings.
* Moved inline styles for administrative sections into appropriate stylesheets.
* Updated the translation template.
* Supports flexible language translation. Language-generic translations are used if country-specific or formal/informal translations are not available.
* Introduced the WGC_STRICT_LOCALE constant which can be used to disable flexible language translation by defining it as true.
* Includes full translation into generic German.
* Includes full translation into generic Spanish.

* WordPress 5.8 compatible.
* WooCommerce 5.8 compatible.
* Requires at least WooCommerce 5.5.
* Fixed backslashes appearing in group names with quotes shown in the Groups and Auto columns on the Coupons admin screen.
* Fixed a PHP Fatal Error caused by an infinite loop when two or more auto-applied coupons of individual use were applied to the cart.
* Auto-apply coupons of individual use will not be applied if other coupons have already been applied to the cart. This changes the previous behavior where such a coupon would have caused other coupons applied to be removed.
* Added the optional priority setting for coupons that are automatically applied for groups.
* Updated translations.

* WordPress 5.8 compatible.
* WooCommerce 5.4 compatible.
* Requires at least WooCommerce 5.0.
* Fixed missing variable initialization in Groups coupon settings tab.
* Fixed slashes need to be stripped for group names output.
* Added output escaping where missing.
* Minor code format fixes.
* Updated deprecated links.
* Updated the translation template.
* Updated translations.
* Added translations for Austrian German.
* Added translations for Swiss German.
* Added support for WPML to translate the customized error message.
* Fixed customized error message did not apply translation.