What changed
The documented set of values is gone, so anything can appear. Every exhaustive switch and generated enum over this field is now incomplete.
Affects RealtimeTruncation reachable from 4 operations.
any value can now appear
Who is affected
Code that reads OpenAI's RealtimeTruncation objects, used by 4 OpenAI operations.
Before and after
| Where | Before | After |
|---|---|---|
| RealtimeTruncation.type | "retention_ratio" | absent |
Based on OpenAI’s published API specification. How severity is decided.