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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 v2.1.228

Remote control reconnects after the server forgets a session registration

You'll notice
Useful4 Signal3
Remote Control

If the server forgets your session registration, remote control now re-registers and resumes.

What

If the remote control connection closes with code 4090, meaning the session's registration on the server went stale, the client now re-registers and resumes instead of treating the session as lost.

Details
  • Shown during reconnect as "session registration went stale — re-registering".
  • Recorded with cause epoch_stale and, on success, recovery code recovered_epoch_stale.
  • Teardown no longer routes this close code down the abandoned-recovery path.
Evidence

session registration went stale \u2014 re-registering

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 v2.1.228 →