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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 ·

Assorted validation and parsing tightening

Assorted small fixes to browser tabs, plugin ids, web search categories and artifact labels.

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
Tool UseArea: what it touches
Bug FixesKind: in v2.1.221,
Bug FixesSection of the release
What

Several small parsing and validation paths were corrected across browser control, plugins, web search, artifacts and token stats.

Details
  • Browser navigate treats an explicitly null tabId as absent: n.tabId !== null && n.tabId !== void 0.
  • Plugin id extraction takes the prefix before the first @ via indexOf instead of a split helper.
  • The web-search category regex widened to <category>([a-z0-9 &_-]{1,64})</category>.
  • Artifact label sanitization also strips CJK and fullwidth brackets.
  • Daily-token stats persist a new dailyModelTokensVersion field.
Evidence

dailyModelTokensVersion

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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