Curious to see the detail of and the fallout from this.
I'm all for minimising Russian cultural influence while they're engaging in military conquest and I absolutely believe our open information spaces need to be more forceful around protecting themselves against malice and misinformation, and that sometimes (regrettably) means banning Russians themselves.
This however sounds like it might be related to sanctions or other similar restrictions on Russian contributions.
https://www.phoronix.com/news/Russian-Linux-Maintainers-Drop