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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 v2.1.234 ·

Artifact auto-react requires a live supervisor connection

Artifact auto-react now needs a live connection to the supervising host, not just its declared capabilities.

Under the hood Internal Changes
JSON All of v2.1.234
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Internal ChangesKind: in v2.1.234,
What probably matters to youSection of the release
What

When Claude Code runs underneath a supervising host, a new piece of state tracks whether that connection is live, set false on connect, close and stop and true once the host's capabilities arrive. Artifact auto-react is now treated as available only when both those capabilities and a live link are present. Outside a supervised session the check returns early and nothing changes.

Evidence

rvSupervisorLinkLive

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

See this entry in the whole of v2.1.234 →

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