Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
API ConfigurationArea: what it touches
Internal ChangesKind: in v2.1.260,
Internal ChangesSection of the release
Outgoing requests to the Bedrock and Mantle providers, as well as the Anthropic API client, now merge in a new Cv() header block on top of the existing Em() headers.
This applies across all auth code paths: API key, skip-auth, profile bearer, AWS bearer-token, and credential-chain paths in Anthropic client construction.
