Compatibility with Yoast SEO 12.1
Bugfixes: Fixes a bug where the primary category would not be reflected correctly in the product schema output when it was being used to set the manufacturer or brand. Other: Compatibility with Yoast SEO 12.0
Bugfixes: Fixes a bug where invalid schema would be output when a product used the placeholder image. Other: Compatibility with Yoast SEO 11.9
