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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 ·

Cancelling tool calls now also cancels their queued follow-ups

Cancelling a tool call now also cancels the follow-up work queued behind it.

You'll notice New Features
JSON All of v2.1.251
You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Tool ExecutionArea: what it touches
New FeaturesKind: in v2.1.251,
What probably matters to youSection of the release
What

Cancelling in-flight work now revokes the pending follow-up items attached to it, matched by the cancelled item's id or its note id, instead of leaving them queued to run.

Details
  • Follow-ups are revoked with an explicit "cancel" reason.
  • Unconditional.
Evidence

codeliveredFollowups

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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