- Updated `event.data.checkout.subtotalPrice.amount` to include order-level discounts, aligning with the old /thank_you page definition.
- Affects checkout events (checkout_completed on new /thank-you page, checkout_started, checkout_address_info_submitted, checkout_shipping_info_submitted, checkout_contact_info_submitted, payment_info_submitted) so pixels must handle the c...
- Integrations should adjust logic that previously expected only product‑level discounts in this field.