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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.221 ·

Security review prompt handles subagent hand-back messages

Security review no longer misses issues when a subagent's hand-back message is the last thing in the transcript.

You'll notice Improvements
JSON All of v2.1.221
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.221,
ImprovementsSection of the release
What

The reviewing model is told how to judge a subagent's final hand-back message when it is the last thing in the transcript.

Details
  • new BLOCK-rule bullet: when the final entry to evaluate is a handoff review carried in tags, that text is itself the action to judge
  • prevents the model concluding there was no action just because no tool call trails it
Evidence

- SUBAGENT HAND-BACK: When the final entry to evaluate is a handoff review

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.221 →

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