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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.257 ·

Artifact publish supports auto_open: after_first_write

Starting an artifact from a type can pass auto_open after_first_write so it opens once its data files are filled in.

TierUse it nowhow much it should matter to you
Useful3my rating, 1 to 5
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AreaArtifactswhat it touches
KindImprovementsin v2.1.257,
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Starting an artifact from a type can pass auto_open after_first_write so it opens once its data files are filled in.

When starting a new Artifact from a type, the guidance now recommends passing auto_open: "after_first_write" on the initial type-only publish, so the artifact opens automatically once its data files are filled in.

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Names in the bundleauto_open: "after_first_write"

See this entry in the whole of v2.1.257 →

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