2025-09-09 – version 16.6
* add – Aligns product variation `priceSpecification` with the simple product `priceSpecification` schema.
* add – Renames the _image alt tags_ assessment to _image alt attributes_ assessment.
* add – Adds a feedback string for the _image alt attributes_ assessments for when no content and/or image has been added.
* add – Enhances variable products schema output by adding support for the `variesBy` property.
* fix – Fixes a bug where a fatal error would be thrown in product pages when WooCommerce add-ons added schema but didn’t account for the new WooCommerce schema structure, introduced in WooCommerce v9.5.0.
* fix – Fixes a bug where a variable product without a product image would lead to a malformed schema output.
* fix – Fixes a bug where product attributes would not be included in a product schema.
* fix – Fixes a bug where simple products having a custom attribute with multiple values would still be rendered in the schema.