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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 v2.1.235

New error for delegating to a subagent without naming one

You'll notice
Useful2 Signal4
Subagents

A new error says a subagent type is required because no general-purpose agent is available.

What

A message has been added for the case where a subagent task is started without a subagent type: "subagent_type is required: the general-purpose agent is not available in this session". Nothing in the build shows what triggers it, so whether sessions actually reach this state depends on which agents are configured.

Evidence

subagent_type is required: the general-purpose agent is not available in this session

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 v2.1.235 →