Google quietly introduced Google Wallet integration for Promotions in Google Merchant Center Next, with Safari support likely on the way as it’s mentioned in the help page but not yet visible in the Merchant Center interface.
This update expands how shoppers discover deals. With Wallet and Safari likely to feature promotions alongside Chrome, merchants may gain new opportunities to increase visibility and drive conversions.

Check out the full video by Emmanuel Flossie here: New Promotional Targets In Google Merchant Center (Google Wallet + Safari Browsers).