![RailsCasts (Mobile) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/035/010/small/railscasts-mobile.jpg)
Summary: With the release of Rails 4.0.0.rc1 it's time to try it out and report any bugs. Here I walk you through the steps to upgrade a Rails 3.2 application to Rails 4.
Summary: With the release of Rails 4.0.0.rc1 it's time to try it out and report any bugs. Here I walk you through the steps to upgrade a Rails 3.2 application to Rails 4.