* Add `id` option to redis adapter so now you can distinguish ActionCable's redis connections among others. Also, you can set custom id in options. Before: ``` $ redis-cli client list id=669 addr=127.0.0.1:46442 fd=8 name= age=18 ... ``` After: ``` $ redis-cli client list id=673 addr=127.0.0.1:46516 fd=8 name=ActionCable-PID-19413 age=2 ... ``` *Ilia Kasianenko* * Rails 6 requires Ruby 2.4.1 or newer. *Jeremy Daer* Please check [5-2-stable](https://github.com/rails/rails/blob/5-2-stable/actioncable/CHANGELOG.md) for previous changes.