Videos play for 10 seconds then stop loading, forced reduced quality, and just generally buggy in several different ways. Many Reddit strings with tons of other people having similar issues.

- https://www.reddit.com/r/firefox/comments/1dgodfn/youtube_on... - https://www.reddit.com/r/firefox/comments/1cjbsmj/youtube_on... - https://www.reddit.com/r/firefox/comments/1bsc0i4/youtube_no...