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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

permission_denied events fire even without a permission prompt

You'll notice
Useful3 Signal0
Permissions

Headless and SDK runs now report permission denials even when no prompt was ever shown.

-pcanUseTool
What

Denials are now reported in headless runs that have no prompt surface, not just when a prompt was shown.

Details
  • emission was factored into a reusable emitPermissionDenied
  • the no-transport path now emits it for non-allow decisions too
  • the schema description was rewritten to state that with bare -p, or SDK query() without canUseTool, 'ask' decisions are terminal and are also reported
  • the event is documented as best-effort advisory
Evidence

Best-effort advisory: in rare races a denial can book without a frame or a frame can lack a booking twin

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 →