Yeah! Ruby 1.9.2, new stable version of ruby, is released!
You can get i386 and x64 binaries from "Release".
And, a possible security vulnerability on WEBrick of old versions of ruby is reported.
ruby-1.9.1-p430 and ruby-1.8.7-p302 are released to fix it.
You can get binaries of them from "Release", too.