Proposed F19 Feature: Ruby 2.0.0 - the latest stable version of Ruby, with major increases in speed and reliability

[Bill Nottingham]

Jaroslav Reznik (jreznik at redhat.com) said: 
> Yet, it is source level backward compatible with Ruby 1.9.3, so your software 
> will continue to work.
> 
> The updated Ruby also provides better integration with Fedora, especially JRuby.
> But not only JRuby, it is also one step closer to be prepared for other 
> interpreters, such as Rubinius. Provided custom Ruby loader with working name 
> "rubypick" [1] will allow to easily switch interpreters executing your script, 
> provides fallback to whatever Ruby interpreter is available on you system, yet 
> still keeps backward compatibility with all your Ruby scripts.

Reading this, it's source compatible, but not binary compatible, so
everything gets a rebuild? (IOW, akin to many python version updates).

Do you need a side tag for it?

Bill