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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.221

Renaming a session propagates the new name

You'll notice
Useful3 Signal0
Sessions

Renaming a session now cleans up the title and pushes the new name everywhere, not just locally.

/rename
What

A rename through remote control now normalizes the title the same way as elsewhere and pushes the name onward instead of only writing it locally.

Details
  • The title goes through the shared title normalizer rather than a bare trim.
  • Unless the session is in the excluded mode, an async name propagation is queued with source "user".
  • Propagation failures are logged and do not block the rename.
  • Transcript append behaviour is unchanged.
Evidence

onRenameSession: name propagation failed

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.221 →