RVM, which is a standard tool to manage Ruby versions, does expose trunk: mil:~ poet$ rvm list known_strings | grep ^ruby ruby-head ruby-1.9.3-rc1 ruby

RVM, which is a standard tool to manage Ruby versions, does expose trunk: mil:~ poet$ rvm list known_strings | grep ^ruby ruby-head ruby-1.9.3-rc1 ruby-1.9.3-preview1 ruby-1.9.3-head ruby-1.9.2-p290 ruby-1.9.2-p180 ruby-1.9.2-head ruby-1.9.1-p431 ruby-1.9.1-p378 ruby-1.9.1-head ruby-1.8.7-p352 ruby-1.8.7-head ruby-1.8.6-p420 ruby-1.8.6-head However, in my anecdotal experience most people run patch releases.