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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 v2.1.222

Permanently refused agent resumes stop retrying

You'll notice
Useful3 Signal0
Agents

An agent that can never resume now fails fast instead of retrying forever in the background.

What

A new error class marks a resume that will never succeed, so the retry machinery gives up instead of looping.

Details
  • AgentResumePermanentlyRefusedError sits alongside AgentResumeTransientError.
  • The observer restarts fresh on it and logs the error name.
  • The wake router drops queued events for the affected agent.
  • The resume subscriber no longer swallows the error silently.
Evidence

AgentResumePermanentlyRefusedError

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 v2.1.222 →