Hover a thumbnail on youtube.com and click an icon at the right: "Not interested" and "Don't recommend channel"
< Feedback on YT: not interested in one click
It no longer works.
Fixed in 1.1.1.
Thank you for the update!
جاۋاب قايتۇرۇش ئۈچۈن كىرىش.
It no longer works.