What changed
No action needed unless you validate responses against a closed schema.
Affects BetaInputTextContentParam reachable from 5 operations.
Who is affected
Code that reads OpenAI's BetaInputTextContentParam objects, used by 5 OpenAI operations.
Before and after
| Where | Before | After |
|---|---|---|
| BetaInputTextContentParam.prompt_cache_breakpoint.ttl | absent | present |
Based on OpenAI’s published API specification. How severity is decided.