A report on Ruby usage among New Relic Customers We saw recently that our friend Peter Cooper has created a nice tutorial on moving to Ruby 1.9 called The Ruby 1.9 Walkthrough: How to Go From Ruby 1.8.7 to 1.9.2 and 1.9.3. We started to wonder how many of our customers are on 1.8 versus 1.9, then quickly (and embarrassingly) realized we hadn’t published a Ruby on Rails State of the Stack Report in