Currently you only see the cursors of all users who have joined since you, but they never go away, and new users don't appear immediately. We should hide users who have disconnected, and show all connected users.
Related Gerrit Patches:
|mediawiki/extensions/VisualEditor : master||Update VE core submodule to master (813c586a6)|
|VisualEditor/VisualEditor : master||RebaseServer: Handle disconnects by setting the disconnected author's selection to null|
|Open||None||T152993 Rebaser: Make VE-rebaser functionality equivalent to Etherpad|
|Resolved||Catrope||T152487 Rebaser: Only show cursors for connected users|