What changed
Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.
Affects enhanced_eligibility_types[] on dispute reachable from 169 operations.
New value: mastercard_compliance.
can now return "mastercard_compliance"
Who is affected
Code that reads Stripe's dispute objects, used by 169 Stripe operations.
Before and after
| Where | Before | After |
|---|---|---|
| dispute.enhanced_eligibility_types[] | "visa_compelling_evidence_3", "visa_compliance" | "mastercard_compliance", "visa_compelling_evidence_3", "visa_compliance" |
Code that breaks
switch (response.enhanced_eligibility_types[0]) {
// existing branches …
// no branch for "mastercard_compliance"
default:
throw new Error("unexpected enhanced_eligibility_types");
}Based on Stripe’s published API specification. How severity is decided.