In Moving to a server-aware approach for collaboration, @chriszarate explains why the server needs to be at the heart of real-time collaboration, and introduces the engines we’ve been investigating…

Since its announcement, the Presence API feature plugin has grown to show who’s working where across a whole multisite network, with post locks that leave the posts cache alone.

WordPress has no built-in way to see who else is in the admin with you. This experimental feature plugin changes that — try it in Playground.