A new wake-up notice clarifies to the model that when a background task's result is delivered in the same turn as a genuine new message from the user, that user message is real input and should be responded to normally.
New wake-up notice text distinguishing background task results delivered alongside real user messages
A new notice tells Claude that a real user message arriving alongside a background result is genuine input to answer.
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Background TasksArea: what it touches
ImprovementsKind: in v2.1.259,
ImprovementsSection of the release