What changed
Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.
Affects bic on payment_method_details_ideal reachable from 261 operations.
New value: MLLENL2A.
can now return "MLLENL2A"
Who is affected
Code that reads Stripe's payment_method_details_ideal objects, used by 544 Stripe operations.
Before and after
| Where | Before | After |
|---|---|---|
| payment_method_details_ideal.bic | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MLLENL2A", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" |
| payment_method_ideal.bic | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MLLENL2A", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" |
| setup_attempt_payment_method_details_ideal.bic | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" | "ABNANL2A", "ASNBNL21", "BITSNL2A", "BUNQNL2A", "BUUTNL2A", "FNOMNL22", "FVLBNL22", "HANDNL2A", "INGBNL2A", "KNABNL2H", "MLLENL2A", "MOYONL21", "NNBANL2G", "NTSBDEB1", "RABONL2U", "RBRBNL21", "REVOIE23", "REVOLT21", "SNSBNL2A", "TRIONL2U" |
Code that breaks
switch (response.bic) {
// existing branches …
// no branch for "MLLENL2A"
default:
throw new Error("unexpected bic");
}Based on Stripe’s published API specification. How severity is decided.