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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

Subagent report-file heuristic disabled in confined runs

Under the hood
Useful1 Signal2
Plugin Eval

The subagent report-file guess is switched off entirely in confined evaluation runs.

What

The helper that decides whether a run is a confined evaluation environment, used to gate a guess about where subagents write report files, now returns false outright when the confined-evaluation variable is set, on top of its earlier checks.

Evidence

!a.CLAUDE_CODE_EVAL_CONFINED && (X6() || qr(ee()) !== null)

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 →