What a customer sees in their cart is now what they pay for when they book an appointment with add-ons.
- Add-on details are saved when added to the cart: The price, length and name of each add-on are saved when the customer adds the appointment to their cart. If you change an add-on's price or length, rename it, archive it or unlink it from a class before the customer pays, their cart total and payment stay the same.
- Quantities stay the same: If a customer picks the same add-on more than once, the cart keeps the number they chose at the original price.
- Clearer checkout message: If a class is no longer available when a customer checks out, they now see "This class is no longer available." instead of a technical message.
