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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.269 ·

'concurrency' and 'withheld' added to eval/test-result field allowlist

Internal eval-test reporting now recognizes 'concurrency' and 'withheld' as valid result fields

Under the hood Internal Changes
JSON All of v2.1.269
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Plugin EvalArea: what it touches
Internal ChangesKind: in v2.1.269,
Internal ChangesSection of the release
What

An internal list of recognized field names for evaluation/test result reports (used by Claude Code's own testing harness) now includes concurrency and withheld, alongside existing fields like casesPassed, casesTotal, weight, and without.

Why

This is internal tooling for Claude Code's own test infrastructure rather than something a user interacts with directly.

See this entry in the whole of v2.1.269 →

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