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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 v2.1.224 ·

Forking a session tells the model the fork is separate

After forking, Claude is told the fork is a separate session reachable by name.

You'll notice Improvements
JSON All of v2.1.224
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SessionsArea: what it touches
ImprovementsKind: in v2.1.224,
ImprovementsSection of the release
What

After forking, Claude is now told that the fork runs as its own session, that its work is invisible to the current conversation, and that it can be reached by name through the session roster. This branch previously attached nothing.

Details
  • The message is produced only when cross-session messaging applies; otherwise nothing is attached.
Evidence

The fork runs as its own separate session

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

See this entry in the whole of v2.1.224 →

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