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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.251 ·

Hook telemetry records a resolved hook name

Hook telemetry now names the specific hook instead of the event that fired it.

Under the hood Internal Changes
JSON All of v2.1.251
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
HooksArea: what it touches
Internal ChangesKind: in v2.1.251,
Internal ChangesSection of the release
What

The name reported when a hook runs is now computed rather than passed straight through, so the telemetry identifies the specific hook instead of the event that fired it.

Evidence

hookName: Vxt(R, u)

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

See this entry in the whole of v2.1.251 →

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