Keith Bennett propuso este tema para que otra persona hablara de él.Gem and Bundler Internals
We all use gems and bundler, but some of their inner workings are a mystery to me (see, for example, the massive changes to an installed Ruby that a gem update --system makes, at https://github.com/keithrbennett/ruby-2.7.2-gem-update-changes). I would love to know more about this.