You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
TelemetryArea: what it touches
ImprovementsKind: in v2.1.287,
ImprovementsSection of the release
What
When you send a prompt, Claude Code records a usage-data event called user_prompt, which can be exported through OpenTelemetry (a standard for sending usage data to monitoring tools). The event used to carry a single prompt field. It now takes its fields from a different step that works on the raw prompt text, so the event can hold several fields.
Why
If you collect these events, the fields they contain, and how prompt text in them is hidden or logged, may differ.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear which fields the event now contains.
Anthropic's release notes agreeAdded prompt_text to the OpenTelemetry user_prompt event, a copy of prompt for backends that nest dotted keys; drop or mask it wherever you…
