# 2015-03-24 release # 2015 ## 2015-03-24 ### Additional updates | Title | Affected Products | Breaking change? | Category | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------ | ---------------- | -------- | | [By default, coupons no longer apply to invoice items with negative amounts](https://docs.stripe.com/changelog/2015-03-24/coupons-no-longer-apply-negative-invoice-items.md) | Billing, Invoicing | Breaking | api |