https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-7-1-released/ https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-6-6-released/ https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-5-8-released/ https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-4-10-released/
