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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.251 ·

Eval runs save mock recordings next to their results

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

Under the hood Internal Changes
JSON All of v2.1.251
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Plugin EvalArea: what it touches
Internal ChangesKind: in v2.1.251,
Internal ChangesSection of the release
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.

See this entry in the whole of v2.1.251 →

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