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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 v2.1.227

PermissionRequest hooks can interrupt the whole turn

Use it now
Useful5 Signal4
Hooks Notable

A PermissionRequest hook can now set interrupt to stop the whole turn, not just one tool call.

PermissionRequestinterrupt
What

A PermissionRequest hook can now stop the turn, not just the one tool call. The hook result carries an interrupt field alongside the decision; a hook that denies and sets interrupt true interrupts the turn. Denials without a message use "Permission denied by PermissionRequest hook". Allow decisions always carry interrupt false.

Evidence

Permission denied by PermissionRequest hook

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 v2.1.227 →