I can see a minority of features that would actually need it like the classsic chat room or some live feed of stocks. Sure if thats the case then Hotwire gives

I can see a minority of features that would actually need it like the classsic chat room or some live feed of stocks. Sure if thats the case then Hotwire gives a nice solution. But throwing in streams just for validations? Come on. This is done just fine with Ajax/Rails Ujs etc. We're solving non problems here I think.