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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 v2.1.219

PR-review anchor repo names reject "." and ".."

You'll notice
Useful2 Signal0
Code Review

PR review artifacts now reject repository names like "." or ".." that could escape paths.

What

Repository names read back from published review artifacts could be . or .., a path-traversal risk; they are now rejected.

Details
  • The regex used to validate PR review anchors and the review JSON schema changed from /^[A-Za-z0-9._-]{1,100}$/ to a form with a leading negative lookahead
  • A repo named . or .. now fails with "anchor.repo is not a valid repository name"
Evidence

anchor.repo is not a valid repository name

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 v2.1.219 →