had to modify the script settings for it to actually work (the @match specifically had to be https://www.youtube.com/* but THANK YOU SO MUAHCCAHCHAHC?AYUCHUACHAUCHACH

Thanks for this tip! It works great now with that added part.

Thanks! Now it works!

Thanks! Now it works!

Could you provide your code? Mine doesn't seem to work

Okay, I got it to work. It needed to be https://*.youtube.com/*

Also, does the images on the right side look like this (the thumbnails are very large)? If so, this can also be done in uBlock Origin > My Filter > youtube.com##+js(set, yt.config_.EXPERIMENT_FLAGS.kevlar_watch_grid, false)