# 2013-10-29 release # 2013 ## 2013-10-29 ### Additional updates | Title | Affected Products | Breaking change? | Category | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------ | ---------------- | -------- | | [Coupons only apply to an invoice’s total balance, no longer applying to zero-cost invoices](https://docs.stripe.com/changelog/2013-10-29/coupons-apply-invoice-total-balance.md) | Invoicing, Billing | Breaking | api |