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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 v2.1.64 ·

asyncRewake Hook Option

Entry
JSON All of v2.1.64
EntryKind: in v2.1.64,
ChangesSection of the release
What

A new hook configuration option that allows hooks to run in the background and wake the model when they encounter a blocking error (exit code 2).

Details
  • When asyncRewake: true, the hook runs asynchronously like async: true
  • If the hook exits with code 2, it signals a blocking error that wakes the model
  • The blocking error message from the hook command is surfaced to the user
  • New "Stop hook blocking error" notification type when this occurs
Evidence

Async rewake hooks (search for "asyncRewake", "If true, hook runs in background and wakes the model on exit code 2")

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

See this entry in the whole of v2.1.64 →

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