Rails 3.1 is here
Version 3.1 of the Ruby on Rails framework is available.
Version 3.1 of the Ruby on Rails framework is available. Rails
3.1 features a major architectural change in the form of pipeline
Stylesheets can now be written in alternative languages such as
SAAS and HAML. In addition, the compression of CSS files and
generation of the server response.
Rails 3.1 requires Ruby 1.8.7 or later, Ruby 1.9.2 is also supported. An overview of Rails 3.1 can be found in the detailed release notes.