When building API wire history from the transcript, a "user" message whose content is an array with zero elements is now skipped entirely instead of being converted into a wire message. This covers turns recorded only to unblock a pending permission or deferred tool use, with no new prompt text or attachments.
Empty-content user messages now skipped when building API wire history
Empty placeholder messages used to unblock permissions no longer get sent to the API as wire history.
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.258,
Internal ChangesSection of the release