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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 v2.1.224

Schema definitions rewritten to use direct helper calls

Under the hood
Useful1 Signal1
Build

Schema definitions now call validation helpers directly; nothing behaves differently.

What

Most schema definitions were mechanically switched from a namespaced validation object to directly imported helpers, and several initialiser blocks were relocated intact. Validation messages, limits and defaults are unchanged, so nothing is visible from the outside.

Evidence

segments must match [A-Za-z0-9._-]+ and must not be . or ..

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 v2.1.224 →