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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 v2.1.248 ·

One known script source allowed in artifact HTML

Artifact pages may now include one specific known external script; others still fail.

Under the hood Improvements
JSON All of v2.1.248
Under the hoodTier: 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 v2.1.248,
ImprovementsSection of the release
What

The validator that requires generated artifact pages to be self-contained now permits a script tag whose src is one specific known value, with exactly one attribute and no children. Any other external script still fails.

Evidence

External scripts are not allowed — the page must be self-contained.

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

See this entry in the whole of v2.1.248 →

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