Rails makes it easy to implement simple, common features very quickly. Ordering items in a list using an intuitive drag-drop interface? Easy Peasy!
Add a rich text area where users can enter formatted content using a simple text-editor interface. ActionText bundles the Trix editor tightly with rails for a great user experience.
Date and DateTime formatting is even better with Rails 6. Find out how to set formats for your app and for different locales.
Adding maps to your web applications is easy and powerful. Dive into Maps, Rails, GeoJSON and more.
There are some really useful gems that make rails a great environment to build geo-aware applications.
Rails ActiveStorage system is very nice. It standardises uploads, so going forward you will want to be able to write tests that take it into account.