You can still see your subscription videos, just not the homepage.
Searching also works. Actually it seems only the recommendation system is down, which I'd say isn't completely a bad thing.
My subscriptions page just shows an error. And the app version won't load at all.
I'm able to play videos that are bookmarked in my browser, but the YouTube home page errors out.
Searching also works. Actually it seems only the recommendation system is down, which I'd say isn't completely a bad thing.