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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 v2.1.172

Subagent Model Allowlist Warning Improved

What

When a subagent is configured with a model that is not in the availableModels allowlist, the warning message now distinguishes between inheriting the parent model vs. using the default teammate model.

Details
  • Subagent case: "Subagent model X is not in the availableModels allowlist; inheriting the parent model instead"
  • Teammate case: "Teammate model X is not in the availableModels allowlist; using the default teammate model instead"
Evidence

New warning functions (search for "Subagent model" and "Teammate model" with allowlist messages)

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 v2.1.172 →