The new documentation breaks down how UCP and its UCP-powered checkout enable a native Buy button that keeps the entire transaction on Google properties. The merchant remains the seller of record, but the checkout experience happens natively within Google. To activate the feature, merchants must implement the native_commerce attribute in Merchant Center.
Google AI Overviews continue to shift click-through rates down, which is not a good thing. Google is testing a new version of AI Mode. Google Merchant Center promotion section added a top performing products option. Google is testing review summary box updates. Google AI Mode added three new agentic capabilities.