value changed type

What changed

Serialization mismatch. Integer-to-string moves are the usual cause and the usual outage.

Affects StopConfiguration reachable from 2 operations.

null|string → string

Who is affected

Code that sends OpenAI's StopConfiguration objects, used by 2 OpenAI operations.

Before and after

Code that breaks

// payload
// was: null|string
// now: string

Based on OpenAI’s published API specification. How severity is decided.