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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 v2.1.221

/sandbox install error classification by code, and a longer timeout

You'll notice
Useful2 Signal0
Sandbox not in their notes

Windows sandbox install failures now report the real cause, and the timeout message correctly says two minutes.

/sandbox install
What

Windows sandbox install failures are classified from typed error codes rather than by matching stderr text, and the reported timeout is longer.

Details
  • Codes matched are install_timeout and install_config_conflict.
  • The timeout message now says 2 minutes instead of 60 seconds.
  • Windows-only, on the /sandbox install path.
Evidence

The install timed out after 2 minutes

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 v2.1.221 →