See here for V 1.18 Version document.
Highlights
Storefront
Support UI customization
New design for product images
Brand landing page
Sales orders limitations on shopping cart (personalized or global for all customers)
Admin
Multilingual content on all ecommerce entities (via CMS or import from file)
Editing attributes multilingual data
Set up your desired logic on catalog search via configuration
3rd Party tools
User way - Accessibility tools
Ecommerce analytics events integration