📍 Bolt Help / Release Changelog / Product Add-Ons Product Add-Ons Page Contents Click to expand. Beta Product Add-Ons is in Beta release phase and currently available to participating merchants. The New Bolt has released a feature (in beta) that enables merchants to make personalized recommendations and Product Upsells to their shoppers based on what is currently in their cart, shopping history, and browsing history. INFO This feature is currently only available for Custom Carts. Resources Product Recommendations