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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.0.72

Tool Search Beta Support

What

Adds the tool-search-tool-2025-10-19 beta header for Vertex and Bedrock providers.

Details
  • New beta feature flag added to the list of Claude betas
  • Provider-specific version selection (different identifier for Vertex/Bedrock)
Evidence

L4Q() at line 64075 (contains "tool-search-tool-2025-10-19" beta string, checks l4() for provider)

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.0.72 →