Seems to work inconsistently, but when it does work it's great. Muted subreddits/keywords still show up sometimes until I mute them again, even if they're already in the blocklist.

Weirdest issue I've run into is clicking the mute button causing the page to suddenly scroll up 5-6 posts after a certain point.

Edit: Also I may be missing it entirely, but for the life of me I can't find the setup instructions the main tab mentions.