I am using Rails 6.1.1 and Ruby 3.0.0 and I am seeing some things in the generated code that don't seem to match yours. General question: which versions of rails and ruby do you recommend for a greenfield app and/or for learning?

I am following this tutorial with rails 6.1.1 and ruby 2.7.2 and am finding some small differences. What versions did you use?

Just starting but very minor stuff. For example the content of the layout/application.html didn't match. I am now using Ruby 2.7.2 and Rails 6.1.1. Thanks for your .railrc. 

Do you want notes like this: ... when your video first creates the form_with in comments/new.html.erb you skip the |form| bit

This frame in particular actually: