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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.223

First-party event logging is initialized with startup state

Under the hood
Useful1 Signal0
Telemetry

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

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 →