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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.

← All of v2.1.251 Home All releases ←olderv2.1.250
Claude Code v2.1.251

Workflow runs record the prompt that started them

Under the hood
Useful1 Signal3
Workflows

A locally launched workflow now carries an id for the prompt that started it.

What

A workflow launched locally now passes along an identifier for the prompt that triggered it, derived from the conversation and agent context, so a run can be traced back to its origin.

Evidence

parentPromptId: kce(r.messages, r.agentContext)

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 v2.1.251 →