Hi, On Nov 4, 2012, at 3:51, "Lucas Nussbaum" <lucas@lucas-nussbaum.net> wrote: > It depends on the 'ruby compatibility version' for that release. Is it > 1.9.1 or something else? According to Matz himself on stage twice at RubyConf this weekend, and Koichi (member of the core team), the primary focus for Ruby 2.0 is compatibility. That said, I don't know if anyone has stated whether it will be 1.9.1 100%.