Google Merchant Listings Gain Certification Markup Support
Briefly

"Starting in April 2025, we're replacing the EnergyConsumptionDetails type with the more robust Certification type, as the new type supports more countries and a broader scope of certifications."
"There is a new recommended property 'hasCertification' which Certifications, such as energy efficiency ratings, associated with a product. Up to 10 certifications can be specified."
"If you have EnergyConsumptionDetails types on your site, we recommend that you switch to using the Certification type by April 2025."
"A Certification is an official and authoritative statement about a subject, which can certify characteristics like energy efficiency in various domains including regulatory and ecological."
Read at Search Engine Roundtable
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