Unclear It is not clear what is being shared or whether the feature is switched on for anyone.
What
The dialog opened by /remote-control (alias /rc) now keeps track of shares: what is currently shared, the rows to show, shares that have ended, and a reason when nothing is shared. It displays this information. While a share is active, the menu options are disabled and "Continue" does not close the dialog.
Why
This looks like a sharing feature, possibly for network ports, added to Remote Control. Locking the menu stops you from leaving the dialog or disconnecting while a share is in progress.
Names in the bundle/remote-control/rc
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The writer flagged doubt
It is not clear what is being shared or whether the feature is switched on for anyone.