You'll notice
Useful4 Signal3
Messages from another session now render as a chat line instead of raw XML.
What's wrong with this entry?
Anonymous. No account, no email.
What
A message arriving from another Claude Code session used to show as raw XML. It now renders with an "@ name" header and the body indented, with the wrapper tags stripped. Outside verbose and transcript mode, and when not queued, it collapses to a compact peer marker.
Evidence
UserCrossSessionMessage
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.
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v2.1.234
Messages injected by a host are classified separately from peer messages
Both mention cross
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v2.1.234
Cross-session control requests check ids more carefully
Both mention cross
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v2.1.234
Notice acks now wait for the record to persist
Both mention cross