Ruby on Rails or the popularly called Rails released a 3.0 beta version. For those of you who do not know much about Rails, it is web development framework that helps you to build websites very easily. Even the most popular micro-blogging site, Twitter is developed in Ruby on Rails. Rails 3.0 has got a bunch of new features and improved APIs.

Rails 3 is focused on bridging the core Rails technology with the new ideas brought in from the Merb team. Merb is a model-view-controller (MVC) Web framework written in Ruby and Ruby on Rails 3 delivers the best features of Merb and Rails into a single new release.

Highlights of Ruby on Rails 3.0

• Brand new router with an emphasis on RESTful declarations
• New Action Mailer API modeled after Action Controller
• New Active Record chainable query language built on top of relational algebra
• Unobtrusive JavaScript helpers with drivers for Prototype and jQuery
• Explicit dependency management with Bundler

Installing Ruby on Rails 3.0

• gem install tzinfo builder i18n memcache-client rack \ rake rack-test rack-mount erubis mail text-format \ thor bundler
• gem install rails –pre