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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.21 ·

Enhanced PermissionRequest Hook Error Messages

Entry
JSON All of v2.1.21
EntryKind: in v2.1.21,
ChangesSection of the release

When a PermissionRequest hook denies an action, the error message now defaults to a clearer system message if the hook doesn't provide one.

Details
  • Default message: "Permission denied by PermissionRequest hook"
  • Helps debug which hook is blocking an operation
  • Part of the plugin hook system for security controls
Evidence

Line 579288 (hook denial, X.message || "Permission denied by PermissionRequest hook")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.21 →

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