At the beginning of each year, the technology articles seem to focus on one topic only - trying to answer the question ‘Is insert the technology here still relevant? Ruby on Rails is no different. You might be surprised that even though it is over 15 years old it is not slowing down and still has a great group of supporters and newcomers.

2020 has brought a lot of changes, also to the Ruby community. Ruby 3.0 was introduced at the end of December bringing changes in performance and concurrency. Want to know more about those changes? How is it different from its predecessor? This article will sum up everything there is to know about the latest Ruby update.