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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.257 ·

Hook diagnostics distinguish launcher/guard failure modes

Script hook diagnostics now say whether the hook timed out, could not start, was killed, or had its stderr redirected.

TierYou'll noticehow much it should matter to you
Useful2my rating, 1 to 5
Signal2worth watching, 1 to 5
AreaHookswhat it touches
KindImprovementsin v2.1.257,
You'll notice

Script hook diagnostics now say whether the hook timed out, could not start, was killed, or had its stderr redirected.

Hook diagnostics for script-type hooks now explain more precisely why no verdict was produced: the hook timed out, could not start, was killed before finishing, or its launcher exited before the hook ran. A new case also flags when a launcher redirects the hook's stderr, since that hides the hook's verdict.

See this entry in the whole of v2.1.257 →

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