Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
API RequestsArea: what it touches
Internal ChangesKind: in v2.1.314,
Internal ChangesSection of the release
What
Before sending tool definitions to the model, Claude Code removes fields that are not supported. It used to remove the citations field based on one global check. Each request now passes in whether to keep it.
Why
Whether citations are sent can now differ from one request to the next.
