Driftwatch

Datadog / Datadog API v2 /

Breakingdirection flip: their tools call this safe

value can now return "typed_questions"

What changed

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

Affects this value on LLMObsCustomEvalConfigParsingType reachable from 3 operations.

New value: typed_questions.

can now return "typed_questions"

Who is affected

Code that reads Datadog's LLMObsCustomEvalConfigParsingType objects, used by 3 Datadog operations.

Before and after

WhereBeforeAfter
LLMObsCustomEvalConfigParsingType"json", "keyword_search", "structured_output""json", "keyword_search", "structured_output", "typed_questions"

Code that breaks

switch (response) {
  // existing branches …
  // no branch for "typed_questions"
  default:
    throw new Error("unexpected value");
}

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