Upgrade Ruby From 2.7 to 3.0

Ruby 3.0 was released on December 25th 2020. We can now enjoy the great new features of this version, such as performance boost (we talked about that in this recent article), ractors for concurrency, fiber schedulers, and type checking.If you already have an application running in production and want to be able to use such benefits you’ll need to upgrade your Ruby version.This article will cover the most important aspects that you’ll need to know to get your Ruby application from version 2.7 to 3.0.