Driftwatch

OpenAI / OpenAI API /

Breakingdirection flip: their tools call this safe

object can now return "vector_store.file_batch"

What changed

Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.

Affects object on VectorStoreFileBatchObject reachable from 3 operations.

New value: vector_store.file_batch.

can now return "vector_store.file_batch"

Who is affected

Code that reads OpenAI's VectorStoreFileBatchObject objects, used by 3 OpenAI operations.

Before and after

WhereBeforeAfter
VectorStoreFileBatchObject.object"vector_store.files_batch""vector_store.file_batch"

Code that breaks

switch (response.object) {
  // existing branches …
  // no branch for "vector_store.file_batch"
  default:
    throw new Error("unexpected object");
}

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