RubyInstaller RC2 versions 1.8.6-p298, 1.8.7-p249, and 1.9.1-p378 are now available. The packages improve the installation process, deliver a new 1.8.7 release targeted to future Ruby/Rails development, and upgrade the 1.8.6 and 1.9.1 releases to newer versions of the corresponding MRI stable branches. The packages can be downloaded from http://rubyinstaller.org/downloads/