You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Cross-Session MessagingArea: what it touches
ImprovementsKind: in v2.1.224,
ImprovementsSection of the release
What
If you message a session name that does not resolve, Claude now says which of three things happened: the name matches a Remote Control session that can only reply to you from elsewhere, the name genuinely does not exist, or the list of remote sessions did not load in time, in which case it hedges rather than claiming the name is wrong.
Evidence
bridge population not ready within
Strings lifted out of the shipped bundle, so the claim above can be checked against them.