Greasy Fork is available in English.
Change YouTube logo link to user's subscription feed instead of homepage, when logged in, for 2017 and later YouTube layout.
< Youtube Logo - Link to subscriptions feed 피드백
Attention to all; script now fixed (had to wait until next Youtube event)
Cheers!
Stopped working, probably related to Youtube Rewind event
I've also taken the liberty of inspecting the DOM. [screenshot included]