The status-bar labels for the Remote Control / remote session feature have been shortened from "Remote Control active / connecting / failed / reconnecting" to /rc active, /rc connecting…, /rc failed, /rc reconnecting.
Evidence
Status label function (search for "/rc active" and "/rc failed")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeShortened the Remote Control footer indicator to "/rc active" and hid it on narrow terminals