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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 v2.1.246 ·

Rewind now refuses more precisely when the client is behind

A refused rewind now says "unseen later turn" instead of a vague stale-target message.

You'll notice Improvements
JSON All of v2.1.246
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SessionsArea: what it touches
ImprovementsKind: in v2.1.246,
ImprovementsSection of the release
What

A rewind request can now include the id of the last user message the client actually saw. If turns exist after the rewind point that the client has not seen, the refusal says "unseen later turn" rather than the old catch-all "stale target".

Details
  • A prompt that is queued but has not started is now refused separately as "prompt pending".
  • The queue check counts the drainable main-thread queue rather than testing a boolean for pending user intent.
  • Unconditional in this build.
Evidence

last_seen_user_message_uuid

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

See this entry in the whole of v2.1.246 →

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