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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.227 ·

Artifact watches can be woken by a turn instead of streaming

A watch can register a wake-up instead of streaming, waking your session when the artifact publishes.

Nothing to try yet In Development
JSON All of v2.1.227
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
In DevelopmentKind: in v2.1.227,
What probably matters to youSection of the release

Durable wake watch results and a registration-failure message are present under off-by-default artifact gating.

What

A watch can come back marked as a durable wake, meaning no live updates arrive and the session is instead woken by a new turn the next time the artifact is published, with instructions to re-read the artifact on wake. A separate message covers the case where that durable subscription could not be registered.

Details
  • Nothing in this build requests this mode; it applies only when the server returns it for a watch.
Evidence

this session will be woken by a new turn when the artifact is next published; no live updates are streamed, so re-read the artifact on wake.

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.227 →

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