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.