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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 v2.1.232

Empty OIDC claims no longer count as values

You'll notice
Useful2 Signal2
Auth

Blank OIDC claims no longer count, so identity falls through to the userinfo lookup.

What

Reading identity claims from an OIDC token now rejects zero-length strings, so a blank claim falls through to the userinfo lookup instead of being accepted as a value. Affects OIDC-configured deployments only.

Details
  • Scalar claims require J.length > 0; array claims filter on typeof O === "string" && O.length > 0.
  • Presence checks were split into their own helpers ahead of the userinfo fallback.
Evidence

oidc id_token claim names request_id=

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 v2.1.232 →