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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

Eval runs save mock recordings next to their results

Under the hood
Useful2 Signal2
Plugin Eval

Eval runs save their recorded mock responses beside the results, warning instead of failing.

What

Plugin eval runs now try to write their recorded mock responses into the results directory. If that fails the run warns and carries on rather than aborting.

Evidence

agent-mock recordings not written — adopt nothing from

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 →