Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.229,
Internal ChangesSection of the release
What
The report that fires when a tool call has no matching result now type-checks content blocks, coerces roles to user, assistant, system or unknown, and reports ids that do not match the expected shape as "nonconforming" instead of sending them verbatim.