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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 v2.1.248 ·

Clearer errors when a Chrome batch action is misused

Misused browser action batches now tell you exactly what went wrong.

You'll notice New Features
JSON All of v2.1.248
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
New FeaturesKind: in v2.1.248,
New FeaturesSection of the release
What

Batching several browser actions together in Claude in Chrome now returns specific messages instead of a generic failure: acting on multiple tabs in one batch, acting on a page after navigating to it, switching browsers mid-batch, malformed or nested batch items, and a missing tab.

Details
  • The missing-tab message points you at the tab-context tool to re-establish which tab is in play.
Evidence

Claude in Chrome: a browser_batch cannot act on a page after navigating to it.

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

See this entry in the whole of v2.1.248 →

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