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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 v2.1.223 ·

First-party event logging is initialized with startup state

Telemetry setup now receives startup context instead of being initialized with nothing.

Under the hood Internal Changes
JSON All of v2.1.223
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.223,
Internal ChangesSection of the release
What

Telemetry setup now receives context from startup rather than being initialized blind.

Details
  • startup computes a value before initializing telemetry and passes it into initialize1PEventLogging(), where the previous build called it with no argument
  • the graceful-shutdown init helper was swapped for a different function
Evidence

initialize1PEventLogging

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

See this entry in the whole of v2.1.223 →

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