Greasy Fork is available in English.
Moves the video description to the right of the video, adds options for smaller video, retro player, retro style, and more
< 脚本 Youtube - Right Side Description 的反馈
I made similar script in my profile http://greasyfork.icu/en/scripts/452405
It seems the same issue that I've mentioned before has reappeared again.
I'm really not sure why Youtube keeps doing this...