Are there any differences between font versions?

Question

css

Hey!
I went to Google fonts looking for roboto fonts and saw the inscription 2017. Immediately the question arose whether there is a difference between the versions of the fonts? What is this difference?

Answer 1

what is the difference - ask the developer.
maybe add / remove / rotate a serif somewhere on one letter, or maybe make full-fledged Cyrillic and Greek
some fonts are only in normal and only lowercase, and some - a full set of bold, italic, bold italic, with a set of capital letters .