It's great to see non-printable characters but it would be better if, like in IntelliJ IDEA, we could only see the white spaces, and not the carriage returns. Maybe a more finegrained piece of functionality, where the user can select exactly which non-printable characters they want to see.
IMHO, it should be an extra section in Editor Preferences, maybe below "When Saving Files". I'm thinking multiple checkboxes, selecting what kind of "non-whitespace" I want to see then "View > Show non-Printable" is selected: Whitespace, Tabs, CR, CRLF*, others.
* When dealing with teams composed by a mix of Linux/Windows users, it's important to know if they created the file with CR or CRLF. In VIM, I can see a "^M".