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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.228

Published artifact bundles rejected when they contain frame-runtime markers

You'll notice
Useful2 Signal3
Artifacts

Artifact bundles containing frame-runtime markers are now refused at publish time.

What

The check that runs before an artifact bundle is published now also refuses bundles containing <!-- frame-runtime --> and <!-- /frame-runtime --> markers, joining the existing refusals for mermaid and chart-runtime markers.

Details
  • Rejection message: bundle contains a frame-runtime serve sentinel.
Evidence

bundle contains a frame-runtime serve sentinel

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

See this entry in the whole of v2.1.228 →