Enhancements:
Adapts the Product description assessment for Japanese to use a character-based count, with a recommended length of 40-100 characters.
Bugfixes:
Fixes a bug where an empty product identifier value could be output.
Other:
Sets the minimum required Yoast SEO version to 18.0.
Sets the WordPress tested up to version to 5.9.
Sets the WooCommerce tested up to version to 6.1.