Did you know that we love using the Dual-Boot technique for our Rails upgrades? We rely on the next_rails gem to help us with dual-booting our Rails applications. This gem does more than just enable dual-booting; it also helps us identify outdated gems, check Rails compatibility, find the minimum compatible Ruby version for a target Rails version, and more. Sounds interesting? Keep reading to learn more about the features of the next_rails gem. History The next_rails gem is a fork of the ten_ye...