I don’t get why you’re being downvoted. You’re right, a while ago that was a major headache. The good news is that it’s now much better! - Bundler makes keepin

I don’t get why you’re being downvoted. You’re right, a while ago that was a major headache. The good news is that it’s now much better! - Bundler makes keeping track of gems trivial - Rails defaults are explicitly version-bound. E.g. you can update to Rails 6 and keep using Rails 5 defaults. - There are now extensive official guides on how to update.