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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 v2.1.248

Telemetry enablement read through a helper

Under the hood
Useful1 Signal1
Telemetry not in their notes

The telemetry on/off check moved into a helper; the same env var still controls it.

CLAUDE_CODE_ENABLE_TELEMETRY
What

The check for whether telemetry is on moved into its own helper, and another helper emits an environment record. CLAUDE_CODE_ENABLE_TELEMETRY remains the switch.

Evidence

CLAUDE_CODE_ENABLE_TELEMETRY

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.248 →