What changed
No action needed unless you validate responses against a closed schema.
Affects CostsResult reachable from 11 operations.
Who is affected
Code that reads OpenAI's CostsResult objects, used by 11 OpenAI operations.
Before and after
| Where | Before | After |
|---|---|---|
| CostsResult.user_id | absent | present |
Based on OpenAI’s published API specification. How severity is decided.