> Rails 5.0 is in most likelihood going to target Ruby 2.2. There's a bunch of optimizations coming in Ruby 2.2 that are going to be very nice, but most importa

> Rails 5.0 is in most likelihood going to target Ruby 2.2. There's a bunch of optimizations coming in Ruby 2.2 that are going to be very nice, but most importantly for Rails, symbols are going to be garbage collected. I'm looking forward for Rails 5 and Ruby 2.2 and the expected performance improvements.