The reactive-record gem has been supeceeded by the hyper-mesh gem, which is largely upwards compatible but includes server side data push (via transports such as ActionCable, Pusher.com, etc) and many other improvements.
Docs are here: http://ruby-hyperloop.io/docs/hypermesh_overview/ Gem is here: https://github.com/ruby-hyperloop/hyper-mesh