What changed
A relaxation. Existing payloads are unaffected.
Affects TerminalCheckout reachable from 5 operations.
can now be null
Who is affected
Code that sends Square's TerminalCheckout objects, used by 5 Square operations.
Before and after
| Where | Before | After |
|---|---|---|
| TerminalCheckout.order_id | string | null|string |
Based on Square’s published API specification. How severity is decided.