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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 v2.1.223

Broader ]] quote-desync detection in bash command analysis

You'll notice
Useful2 Signal0
Bash Tool

Shell command parsing catches more cases of mismatched quotes around bracket tests.

What

The heuristic that flags shell input where a quoted operand contains ]] catches more shapes of the same problem.

Details
  • Bracket-test constructs are now scanned for ]] closers even when no separator follows.
  • Plain test commands get their own distinct reason string.
  • Commands that trip the check are marked as differential too-complex results.
Evidence

possible parser quote-state desync

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 v2.1.223 →