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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.271 ·

Artifact type description telemetry gains a 'declaration' / malformed-capabilities distinction

Artifact-type telemetry now distinguishes a proper capabilities declaration from a missing or malformed one

Under the hood Internal Changes
JSON All of v2.1.271
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
Internal ChangesKind: in v2.1.271,
Internal ChangesSection of the release
What

When Claude Code describes an Artifact type internally, the telemetry it records now classifies the type's capabilities value into one of three states: not present, a valid capabilities object, or malformed. A new declaration field is included in the recorded detail when it's defined.

Why

This should make it easier to notice and diagnose Artifact types with broken or malformed capability declarations, rather than lumping them in with types that simply have none.

See this entry in the whole of v2.1.271 →

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