I am a Russian citizen, so no problem here, but funnily, I have no idea what Russian rules for crossing the border are now because last time I was abroad was in

I am a Russian citizen, so no problem here, but funnily, I have no idea what Russian rules for crossing the border are now because last time I was abroad was in 2019. But judging by my friends' posts on social media, crossing in an out of Russia by plane is a non-issue, it's crossing into other countries that's complicated. But then even if you are admitted into the EU, you would be considered non-vaccinated for any place that requires a proof of vaccination, and from what I heard there are many such places.