Last week, during RailsConf 2017, Rails 5.1 shipped.

If you followed the announcements, you’ve seen the big features: better integration with modern JavaScript, encrypted secrets, and system tests. And there’s my personal favorite: finally getting rid of the weird combo of form_for and form_tag, and replacing it with form_with. I can’t wait to try it.

But the reason I love Rails isn’t the big new features. It’s the little, constant improvements. It’s those quality-of-life changes that make me...