Ruby Facets

Intro Welcome to Ruby Facets. I'm Olivier Lacan and every week on this show I'll talk to you about a few interesting things going on in the Ruby community. I might talk about new releases from Ruby, Rails, or popular RubyGems; discuss insightful or controversial opinion pieces; or even reflect on trends in the community. You should expect a healthy serving of news with a light sprinkle of opinion on top. And with that, let's begin. Ruby 2.4.0 Preview 2 On September 8th, the Ruby core team released Ruby 2.4.0 Preview 2. Preview 1 was released on June 20th so this new preview should include some fixes to issues reported since then. As a reminder, Ruby 2.4.0 brings a few interesting changes like the merge of the Fixnum and Bignum classes into a single Integer class which requires C extensions to be updated. This could be a breaking change so if you maintain a gem with native C extensions or know someone who does, it might be a good idea to start running some tests on Ruby 2.4.0. 2.4.0 also includes performance i