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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

Artifact database writes now pass server warnings back to Claude

When Claude writes to an artifact database, the result now includes any warnings the server sent, shortened and cleaned up

Under the hood Improvements
JSON All of v2.1.288
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.288,
ImprovementsSection of the release
What

When Claude writes to an artifact database, the result it receives now includes a list of warnings taken from the server's reply. The list is limited in length and cleaned before Claude sees it.

Why

Claude now gets the server's hints about a write, so it can notice and react when something about the write was not quite right.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear which Claude Code feature this artifact database belongs to.

See this entry in the whole of v2.1.288 →

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