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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.221 ·

Published-page island parsing requires a JSON object

Malformed published-page data now gives you a clear message instead of a confusing schema error.

You'll notice Bug Fixes
JSON All of v2.1.221
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Bug FixesKind: in v2.1.221,
Bug FixesSection of the release
What

Staleness anchor and decisions island payloads are checked to be plain objects before schema validation, so non-object JSON produces a clear message rather than a confusing schema error.

Details
  • New messages "the published page staleness anchor is not a JSON object" and "the published page decisions island is not a JSON object".
  • The same object predicate replaced hand-rolled checks in frontmatter and plugin-manifest validation.
Evidence

the published page decisions island is not a JSON object

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

See this entry in the whole of v2.1.221 →

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