I think thereâs a problem with the Whitney font. Maybe it lacks cyrillic symbols? Hereâs how it looks for me with Russian and English text (in Firefox).
Other fonts from settings look pretty much the same in Russian and in English. Hereâs Roboto:
I think that apart from some non-Latin symbols the Russian texts look mostly similar to English, the serif/sans-serif thing is the same. And the weird letter spacing Pavel saw is definitely ugly =).