Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
API ErrorsArea: what it touches
In DevelopmentKind: in v2.1.261,
In DevelopmentSection of the release
Plumbing for a prefix-lock-rejection warning message is in place, including parsing of the anthropic-thinking-prefix-mismatch response header and detection of related safeguards-related 400s, but the function that generates the actual warning text currently always returns an empty string, so no message content is shown yet.
