Summary of recent Sci-Hub legal challenges
I really wonder how this is going to play out. For those who don't follow the current situation with Sci-Hub, Alexandra (the creator and likely the sole operator) of Sci-Hub shut down the part of the website ("the magical proxy") that is responsible for fetching the papers that were not previously retrieved. This was done to comply with the request of the Indian court, as described in the article.
As a result, any papers published in 2021 (and some of the rarer, older ones, that nobody tried to access in the past) are not retrievable by Sci-Hub. The user only gets to see a white screen.
This is meant to be a temporary measure, but it's been going on since December of last year (due to various court hearing delays), and the desperation in online communities like the r/scihub subreddit has been palpable [1,2].