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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.239 ·

Artifact watch prompts say how the watch is being kept alive

Artifact watch prompts now name the mechanism keeping the watch alive.

You'll notice Improvements
JSON All of v2.1.239
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.239,
ImprovementsSection of the release
What

Permission prompts and tool descriptions for watching an artifact now name the mechanism in use: a durable wake subscription held by the artifact service, a background connection to claude.ai, or watching not being available in this session at all. A durable subscription registered before the session restarted is called out as not re-verified since, with a note that no action is needed.

Details
  • Wording changed from "another session republishes this artifact" to "this artifact is republished elsewhere".
  • Which mechanism is reported comes from the session's own capability checks, not a setting.
Evidence

Durable wake subscription: registered before this session restarted and not re-verified since (no action needed unless the user asks)

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

See this entry in the whole of v2.1.239 →

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