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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
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Claude Code v2.1.229 ·

Custom artifact viewer host, not yet resolvable

An env var for a custom artifact viewer host is recognised but currently ignored.

Nothing to try yet Notable No documentation found In Development
JSON All of v2.1.229
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 v2.1.229,
What probably matters to youSection of the release

CLAUDE_CODE_ARTIFACT_VIEWER_BASE_URL is recognised and URL building asks a resolver for the host, but that resolver returns nothing.

What

CLAUDE_CODE_ARTIFACT_VIEWER_BASE_URL is a new recognised environment variable, and artifact URL parsing and building now ask a resolver for the viewer host instead of assuming claude.ai or the staging host. In this build that resolver has an empty body and returns nothing, so the variable is never read and URLs still resolve to the built-in hosts.

Evidence

CLAUDE_CODE_ARTIFACT_VIEWER_BASE_URL

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

Read from
Names in the bundleCLAUDE_CODE_ARTIFACT_VIEWER_BASE_URL
How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: CLAUDE_CODE_ARTIFACT_VIEWER_BASE_URL

See this entry in the whole of v2.1.229 →

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