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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 v2.1.117

Version String Validation

Version strings are now validated against path-unsafe characters and traversal patterns. Strings that don't match ^[a-zA-Z0-9._+-]+$ or contain .. are rejected with clear error messages.

Evidence

Version string validation (search for "Invalid version string") — sq6 at line ~351290

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 v2.1.117 →