What changed
Producer-side tools call this non-breaking. For a consumer it is a null dereference on an unknown future date.
Affects tender_id on Refund reachable from 12 operations. Nothing fails at the call; it fails wherever the value is finally used, which is usually somewhere else entirely.
no longer guaranteed present; can now be null
Who is affected
Code that reads Square's Refund objects, used by 12 Square operations.
Before and after
| Where | Before | After |
|---|---|---|
| Refund.tender_id | always present | may be missingno longer guaranteed present |
| Refund.tender_id | string | null|stringcan now be null |
Code that breaks
// response.tender_id may now be absent or null const tender_id = response.tender_id ?? fallback;
Based on Square’s published API specification. How severity is decided.