New updates to checkout extensibility
API
Effective April 26, 2023
New Checkout UI Components
DatePicker will help you build customizations to select specific delivery dates in checkout.
Disclosure will help with UX patterns that progressively disclose information, like the long list of line items in a bundle.
Checkout Branding Update
Checkout branding now supports custom fonts. Checkout, accounts, and UI extensions inherit these fonts making experiences consistent across surfaces.