Greasy Fork is available in English.
Adds more keyboard shortcuts for YouTube. The list of all new shortcuts is added into new "More Shortcuts" section on YouTube's "Keyboard shortcuts" popup which can be accessed via "?" or SHIFT+/ key (on U.S. keyboards).
< Feedback on More YouTube Hotkeys
It's due to site changes. The script has been updated for it.
Adds some useful keys, but I but the u, v and y keys don't seem to work currently.