You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Remote ControlArea: what it touches
ImprovementsKind: in v2.1.242,
ImprovementsSection of the release
What
The notice saying another Claude Code on this machine already holds Remote Control now adds that this terminal cannot see your sessions on other machines and they cannot reach it.
Details
the extra clause appears only when cross-session messaging is enabled for the session
Evidence
so this terminal can't see your sessions on other machines and they can't reach it
Strings lifted out of the shipped bundle, so the claim above can be checked against them.