Bugfixes:
Fixes a bug where PHP notices and a PHP warning were thrown for Product schema without a price.
Fixes a bug where the priceValidUntil schema property wasn’t output for products on sale with an explicitly set sale end date.
Enhancements:
Improves the Open Graph product availability for better compatibility with Facebook and Pinterest.
Adds the product identifiers (GTIN, ISBN etc.) to the SEO title and Meta description replacement variables.
Adds a color attribute to the Product Schema output.