Upgrading Rails is easy, right? Sure, as long as you are upgrading your patch version. A Rails upgrade project for a majestic monolith is not a trivial project. While upgrades have become easier with every new Rails version, your application has only become more complicated with every new dependency.
In this workshop you will learn a proven Rails upgrade process which relies on "dual booting" to quickly iterate and upgrade! You will leave this workshop with a new set of tools that will make your next upgrade project less daunting.