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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 v2.1.219 ·

Interaction schemas are now discovered, not hardcoded

The artifact tool's schema option now lists whatever schemas your session actually registered.

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JSON All of v2.1.219
Use it nowTier: how much it should matter to you
3Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.219,
What probably matters to youSection of the release
What

The artifact tool's schema argument stops naming "workshop-decisions" in its description and error text and instead reports whatever the session actually registered.

Details
  • The available schema list is computed per session and the example in the description is taken from it
  • Requesting an unregistered schema returns a distinct errorCode 8 that lists the available schemas
  • The schema argument only exists when the session registers at least one interaction schema
Evidence

is not available in this session. Available schemas:

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

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Names in the bundleschema

See this entry in the whole of v2.1.219 →

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