Upgrading Ruby on Rails

This guide helps in upgrading applications to latest Ruby on Rails versions.

Ruby on Rails 4.1 Release Notes

Release notes for Rails 4.1.

Ruby on Rails 4.0 Release Notes

Release notes for Rails 4.0.

Ruby on Rails 3.2 Release Notes

Release notes for Rails 3.2.

Ruby on Rails 3.1 Release Notes

Release notes for Rails 3.1.

Ruby on Rails 3.0 Release Notes

Release notes for Rails 3.0.

Ruby on Rails 2.3 Release Notes

Release notes for Rails 2.3.

Ruby on Rails 2.2 Release Notes

Release notes for Rails 2.2.